Description
What It Is
KSTAR BluePulse 30-50 kW commercial ESS — the mid-tier of the BluePulse Series
The KSTAR BluePulse 30-50 kW commercial ESS is the mid-scale configuration of KSTAR’s BluePulse commercial range. It pairs a hybrid inverter from KSTAR’s new DP2 family (KAC30DP2, KAC40DP2, KAC49.9DP2 or KAC50DP2) with the BC197DE2 (197 kWh) or BC215DE2 (215 kWh) outdoor battery cabinet — CATL LFP cells throughout, eight pre-configured combinations covering most mid-sized C&I sites in Cyprus.
The DP2 inverter family is KSTAR’s latest hybrid-inverter generation, with 4 MPPT trackers, a wide battery voltage range of 150–950 V DC, IP65 outdoor rating, and 97.5% peak efficiency. The KSTAR BluePulse 30-50 kW commercial ESS is delivered factory-built with the battery cabinet (cabinet + cooling + safety + BMS) plus the inverter, ready to commission on a concrete pad.
Cell Manufacturer
CATL · the world's largest battery cell producer
The KSTAR BluePulse 30-50 kW commercial ESS uses 280 Ah large-capacity LFP cells manufactured by CATL — the world’s largest battery cell producer and the standard supplier for utility-scale and C&I stationary storage globally. The cells inside the cabinet are not white-label or rebadged. This level of transparency about cell origin is unusual in the C&I ESS market, and one of the strongest technical reasons to specify the KSTAR BluePulse 30–50 kW commercial ESS over generic alternatives.
Outdoor cabinet — designed to sit on a hardstand, not in a building
Both cabinets used in the KSTAR BluePulse 30-50 kW commercial ESS are rated IP54 with C4 anti-corrosion, designed for outdoor installation on a concrete pad without an enclosure building. The operating temperature range is −30 °C to +50 °C, with a built-in air-conditioner cooling unit to keep the cells inside the optimum thermal band even through Cyprus summer heat. The cabinet footprint is 1324 × 2415 × 1440 mm (W × H × D); weight is under 2.4 tonnes for the 197 kWh variant and under 2.55 tonnes for the 215 kWh variant.
One single-line system — integrated BMS and EMS
The KSTAR BluePulse 30-50 kW commercial ESS uses KSTAR’s own integrated battery management system (BMS) and energy management system (EMS). The system supports self-consumption, peak shifting, time-of-use and battery backup as operating modes. Communication uses Ethernet, CAN and RS485 ports with CAN and MODBUS TCP/IP protocols — keeping the system compatible with third-party SCADA and building-management platforms.
See It In Action
The KSTAR BluePulse Series — product overview from the manufacturer
KSTAR has published a short product video walking through the BluePulse Series — the cabinet, the inverter, key specifications and design features. Worth two minutes if you want a manufacturer-led overview before going deeper into the datasheet.
For full manufacturer specifications, certifications, and the official KSTAR product brochure, visit the official KSTAR BluePulse 80-125 kW Commercial ESS product page:
Who This Is For
Best suited for
KSTAR positions the BluePulse Series for factories, hotels, and farms with DC or AC-coupled solar-storage. The 30-50 kW class fits these Cyprus sites:
Small to mid-sized factories
Workshop or production sites with 20–50 kW peak load
Boutique hotels & resorts
Properties with 30-80 rooms · evening cooling load offset
Agricultural processing
Olive oil mills, dairies, cold storage rooms, packing houses
Retail & small commercial buildings
Supermarkets, restaurants, light logistics warehouses
Smaller EV charging sites
2–4 fast-charger installations with solar
Solar parks & PV plants
Adding storage to existing PV — DC or AC-coupled
Eight KSTAR BluePulse 30-50 kW commercial ESS configurations
Four inverter sizes × two battery cabinets = eight pre-engineered KSTAR BluePulse 30-50 kW commercial ESS combinations. Pick the inverter by your peak load and PV array, pick the battery by how many hours of evening discharge you need.
|
KSTAR BluePulse C&I ESS Variant
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Total Capacity
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Max PV
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Cabinet Weight
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Typical Site
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|---|---|---|---|---|
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30 kW + 197 kWh
|
197.12 kWh
|
60 kWp
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< 2.4 T
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Small factory · long evening backup
|
|
30 kW + 215 kWh
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215.04 kWh
|
60 kWp
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< 2.55 T
|
Small hotel · extended autonomy
|
|
40 kW + 197 kWh
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197.12 kWh
|
80 kWp
|
< 2.4 T
|
Mid-size hotel · evening peak
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|
40 kW + 215 kWh
|
215.04 kWh
|
80 kWp
|
< 2.55 T
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Agricultural processing · multi-shift
|
|
49.9 kW + 197 kWh
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197.12 kWh
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100 kWp
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< 2.4 T
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49.9 kW grid limit installations
|
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49.9 kW + 215 kWh
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215.04 kWh
|
100 kWp
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< 2.55 T
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49.9 kW grid limit with extended backup
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50 kW kW + 197 kWh
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197.12 kWh
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250 kWp
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< 2.4 T
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Daytime-dominant load · max PV
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|
50 kW + 215 kWh
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215.04 kWh
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250 kWp
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< 2.55 T
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Maximum power + extended evening discharge
|
The KAC49.9DP2 variant exists specifically to fit grid-connection rules that cap inverter output at 49.9 kW (notably UK G99 fast-track approval). Functionally identical to the 50 kW model otherwise.
Why It Stands Out
What KSTAR built into the BluePulse 30-50 kW DP2 family
10 ms on/off-grid switching — no separate UPS required
KSTAR specifies an on/off-grid switching time of approximately 10 ms, with direct output to backup loads. The KSTAR BluePulse 30-50 kW commercial ESS does not require an external transfer switch. Sensitive loads — servers, production line PLCs, refrigeration compressors — generally ride through a 10 ms transfer without rebooting or tripping.
280 Ah CATL large-format LFP cells
The KSTAR BluePulse 30-50 kW commercial ESS battery modules use 280 Ah large-capacity LFP cells manufactured by CATL, organised as 11 modules (197 kWh) or 12 modules (215 kWh) of 17.92 kWh each. The chemistry is lithium iron phosphate — the most thermally stable lithium chemistry on the market.
DC and AC-coupled solar-storage flexibility
The DP2 inverter family is hybrid by design — the KSTAR BluePulse 30-50 kW commercial ESS connects PV directly via 4 MPPT trackers, and also supports AC coupling for adding storage to existing PV installations.
97.5% maximum inverter efficiency · 4 MPPT trackers
The DP2-family inverters inside the KSTAR BluePulse 30-50 kW commercial ESS achieve a maximum efficiency of 97.5%, with 4 MPPT trackers (2 strings per MPPT) and a wide MPPT voltage range of 250–950 V DC (max input 1000 V). On the battery side they support a very wide range of 150–950 V DC, with a rated band of 180–800 V — designed to pair seamlessly with the BC197DE2 and BC215DE2 cabinets.
Up to 100 kWp PV per inverter (50 kW model)
0.5 C charge/discharge rate · 90% DoD
IP54 outdoor cabinet · C4 anti-corrosion
Air-conditioner cooled · −30 to +50 °C
Integrated BMS & EMS — no third-party EMS needed
Cloud monitoring 24/7
Wide operating altitude up to 3000 m
MODBUS TCP/IP for SCADA integration
Backup Power
What can keep running during an EAC outage?
When the grid drops, the KSTAR BluePulse 30-50 kW commercial ESS switches to backup output in approximately 10 ms — fast enough that most sensitive electronics never notice. No external transfer switch required.
How much you can power during an outage depends on inverter size and battery capacity:
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Inverter
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Backup AC Output
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Max kVA
|
Runtime at full load (197 kWh)
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Runtime at full load (215 kWh)
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|---|---|---|---|---|
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KAC30DP2
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30 kW
|
33 kVA
|
~5.9 hours
|
~6.5 hours
|
|
KAC40DP2
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40 kW
|
44 kVA
|
~4.4 hours
|
~4.8 hours
|
|
KAC49.9DP2
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49.9 kW
|
49.9 kVA
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~3.6 hours
|
~3.9 hours
|
|
KAC50DP2
|
50 kW
|
55 kVA
|
~3.5 hours
|
~3.9 hours
|
Usable capacity at 90% DoD: 177 kWh (197 kWh cabinet) or 193 kWh (215 kWh cabinet). Real runtime depends on state of charge when the outage starts.
What can the KSTAR BluePulse 30-50 kW commercial ESS run during an outage?
A 30–50 kW backup output is enough to power most of a mid-sized commercial site. With a 50 kW + 215 kWh configuration (193 kWh usable):
Small factory — production lines, CNC, conveyors · up to 50 kW · ~3.9 hours full load
Cold storage— freezers, walk-in coolers, chillers · 20–30 kW cycling · 6–10 hours
Hotel essentials— lighting, HVAC, kitchen, lifts · 25–40 kW · 5–8 hours
Server room & IT— racks, networking, cooling · < 15 kW · 12+ hours
Agricultural sites — irrigation, milking parlour, refrigeration · 20–35 kW · 5.5–10 hours
Retail / supermarket — full lighting, freezers, POS · 25–40 kW · 5–8 hours
EV chargers (during outage)— 1× 50 kW DC charger or 2× 22 kW AC chargers
Mixed essential loads— lighting, fridges, computers, fire · 5–10 kW · 19+ hours
Three-phase, single-phase, or mix?
The KSTAR BluePulse 30-50 kW commercial ESS backup output is three-phase (3L+PE+N at 230/400 V or 220/380 V). Max single-phase output is 25 kW (50 kW models) or 20 kW (smaller models) — if one phase carries most of your critical load, the system can handle this on that single phase, with remaining load balanced across the other two phases.
Genset input — for long outages
Every KSTAR BluePulse 30-50 kW commercial ESS hybrid inverter has a dedicated generator (genset) input (max 110 A on 30/40/49.9 kW · 163 A on 50 kW). If your site already has a backup generator, the BluePulse can co-ordinate with it: battery handles short outages and the smooth response window; the generator covers extended events.
Product Specification Summary
Outdoor Battery Cabinet Parameters
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Model Name
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BC197DE2
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BC215DE2
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|||
|---|---|---|---|---|---|
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Technical Parameters
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|||||
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Battery Type
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LFP
|
||||
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Battery Module Capacity
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17.92 kWh
|
||||
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Number of Modules
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11
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12
|
|||
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Total Battery Capacity
|
197.12 kWh
|
215.04 kWh
|
|||
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Nominal Voltage
|
704 V
|
768 V
|
|||
|
Operating Voltage Range
|
627 ~ 792 V
|
684 ~ 864 V
|
|||
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Charge / Discharge Rate
|
0.5 C
|
||||
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DoD
|
90%
|
||||
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General Parameters
|
|||||
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Dimensions (W x H x D)
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1324 x 2415 x 1440 mm
|
||||
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Weight
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< 2.4 T
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< 2.55 T
|
|||
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Installation Site
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Outdoor
|
||||
|
IP Protection
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IP54
|
||||
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Anti Corrosion Level
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C4
|
||||
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Operation Humidity
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5% ~ 95% (No Condensing)
|
||||
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Operation Temperature
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-30°C ~ +50°C
|
||||
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Max. Operation Altitude
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≤ 3000 m
|
||||
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Communication Port
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Ethernet; CAN; RS485
|
||||
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Communication Protocol
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CAN; TCP
|
||||
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Cooling Method
|
Air Conditioner
|
||||
|
Certificates
|
UL 9540A; UN38.3; MSDS; IEC 62040; IEC 62477; IEC 62619; IEC 63056; IEC 61000-6-2/4
|
||||
Hybrid Inverter Parameters
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Model Name
|
KAC30DP2
|
KAC40DP2
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KAC49.9DP2
|
KAC50DP2
|
|
|---|---|---|---|---|---|
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PV Side
|
|||||
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MPPT Voltage Range
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250 ~ 950 V (Max. 1000 V)
|
||||
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MPPT Rated Voltage
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720 V
|
||||
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MPPT Rated Voltage (Full Load)
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400 ~ 800 V
|
500 ~ 800 V
|
600 ~ 800 V
|
600 ~ 800 V
|
|
|
Max. PV Power
|
60 kWp
|
80 kWp
|
100 kWp
|
100 kWp
|
|
|
Number of MPPT / Strings per MPPT
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4 / 2
|
||||
|
Max. Current per MPPT
|
45 A
|
||||
|
Battery Side
|
|||||
|
Battery Voltage Range
|
150 ~ 950 Vdc
|
||||
|
Battery Rated Voltage Range
|
180 ~ 800 Vdc
|
||||
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Max. DC Current
|
60 Adc x 2
|
80 Adc x 2
|
|||
|
Max. DC Power
|
33 kW
|
44 kW
|
49.9 kW
|
55 kW
|
|
|
Number of DC Inputs
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2
|
||||
|
AC Side (On Grid)
|
|||||
|
Nominal AC Output Power
|
30 kW
|
40 kW
|
49.9 kW
|
125 kW
|
|
|
Max. AC Output Power
|
88 kVA
|
110 kVA
|
121 kVA
|
125 kVA
|
|
|
Rated AC Output Current
|
116 A
|
144 A
|
159 A
|
181 A
|
|
|
Max.AC Input Current
|
240 A
|
250 A
|
|||
|
AC Rated Voltage / Voltage Range
|
230 / 400 Vac; 220 / 380 Vac; 3L+PE+N; -15% ~ +10%
|
||||
|
Nominal Grid Frequency / Frequency Range
|
50 Hz / 60 Hz (±5 Hz)
|
||||
|
THDi
|
< 3% (100% Load)
|
||||
|
Adjustable PF Range
|
-0.8 (Lagging) ~ 0.8 (Leading)
|
||||
|
Backup Output
|
|||||
|
Nominal AC Voltage
|
230 / 400 V; 220 / 380 Vac; 3L+PE+N
|
||||
|
THDv
|
< 3% (Rated Power)
|
||||
|
Nominal Grid Frequency / Frequency Range
|
50 Hz / 60 Hz
|
||||
|
Nominal AC Output Power
|
80 kW
|
100 kW
|
110 kW
|
125 kW
|
|
|
Max. AC Output Power (Single-phase)
|
50 kW
|
||||
|
Max. Output Current
|
220 A
|
||||
|
Genset Input
|
|||||
|
Max. Input Current
|
220 A
|
||||
|
Efficiency
|
|||||
|
Max. Efficiency
|
98%
|
||||
|
Protection
|
|||||
|
Reverse DC Connection Protection
|
Yes
|
||||
|
Anti-Islanding Protection
|
Yes
|
||||
|
Over-Temperature Protection
|
Yes
|
||||
|
Grid Monitoring / Earthing Fault Detection
|
Yes
|
||||
|
Insulation Monitoring
|
Yes
|
||||
|
DC / AC Surge Protection
|
DC Type II; AC Type II
|
||||
|
AFCI
|
Optional
|
||||
|
General Parameters
|
|||||
|
Dimensions (W x H x D)
|
1120 x 760 x 365 mm
|
||||
|
Weight
|
> 95 kg
|
||||
|
Topology
|
Transformerless
|
||||
|
IP Protection
|
IP65
|
||||
|
Operation Temperature Range
|
-25 ~ 60℃ (> 45℃ Derating)
|
||||
|
Operation Humidity Range
|
0 ~ 100% (No Condensing)
|
||||
|
Cooling Method
|
Intelligent Air Cooling
|
||||
|
Max. Operation Altitude
|
4000 m (> 3000 m Derating)
|
||||
|
Communication Port
|
RS-485 / CAN
|
||||
Safety Architecture
Six layers of safety, factory-built into every KSTAR BluePulse 30–50 kW commercial ESS cabinet
The KSTAR BluePulse 30–50 kW commercial ESS outdoor cabinet ships with the following safety hardware as standard — no need to source any of it separately. All items are listed on the KSTAR datasheet for the BC197DE2 and BC215DE2 cabinets:
Carbon monoxide detection
Continuous monitoring inside the cabinet — early warning of cell off-gassing
Sound & light alarm
Audible and visual alerts so site personnel are immediately notified
Exhaust fan
Active ventilation to prevent gas accumulation inside the enclosure
Explosion vent window
Passive pressure-relief — directs any overpressure safely outward
Inlet valve
Controlled air intake paired with the exhaust fan to maintain pressure balance
Fire water injection port
Dedicated external port so fire services can inject suppressant directly
Certifications for KSTAR BluePulse 30–50 kW commercial ESS
The cabinet has passed every standard test that matters — fire safety (UL 9540A), shipping (UN 38.3), chemical disclosure (MSDS), inverter safety (IEC 62040, 62477), battery cell and system safety (IEC 62619, 63056), and electromagnetic compatibility (IEC 61000).
AIT Testing & Certifications
Independently tested in Europe — and fully certified
Independent European Testing · June 2025
BluePulse Series passed Austrian Institute of Technology (AIT) testing
The KSTAR BluePulse Series — including the KSTAR BluePulse 30-50 kW C&I ESS — successfully passed comprehensive testing at the Austrian Institute of Technology (AIT), one of Europe’s leading independent testing institutions for energy technologies. AIT’s procedures evaluated electrical safety, grid compliance, communication protocols, and thermal behaviour under dynamic conditions. The BluePulse Series met all critical performance and safety criteria, confirming compatibility with European energy infrastructure.
Inverter Protection
Electrical protection built into the KSTAR BluePulse hybrid inverter
Protections built into the KAC-series hybrid inverter that drives the KSTAR BluePulse 30–50 kW commercial ESS:
Reverse DC connection protection
Anti-islanding protection
DC surge protection (Type II)
AC surge protection (Type II)
Grid monitoring & earthing fault detection
Insulation monitoring
Over-temperature protection
AFCI (Arc Fault Circuit Interrupter — optional)
The KSTAR BluePulse 30–50 kW commercial ESS hybrid inverter is rated IP65 and uses intelligent air cooling. Operating temperature range is −25 °C to +60 °C with derating above +45 °C. The inverter is transformerless and uses a topology that supports the wide PV MPPT voltage range.
Installation Process
How CGP Solar delivers a KSTAR BluePulse 30–50 kW commercial ESS project
The typical project timeline from first contact to commissioning of a KSTAR BluePulse 30–50 kW commercial ESS in Cyprus. C&I energy storage requires more coordination than a residential install — site preparation and grid approval are the main schedule drivers.
Site analysis & quotation
Engineering & EAC application
Civil works & foundation
Delivery, crane offload, install
Commissioning & handover
Warranty
Official KSTAR warranty — 5-year product, 10-year performance
Every KSTAR BluePulse 30–50 kW commercial ESS is covered by KSTAR’s official two-part manufacturer warranty:
5-year product warranty
Covers the full KSTAR BluePulse 30–50 kW commercial ESS — battery cabinet (BC197DE2 / BC215DE2), DP2 hybrid inverter,, BMS, EMS, cooling and safety hardware — against material and manufacturing defects.
10-year performance / cycle warranty
Covers the CATL LFP battery's usable capacity over its operating life. The KSTAR BluePulse Series C&I ESS battery is guaranteed to retain its rated performance through normal cycling within the warranty terms.
Specific warranty term and any extended warranty options are confirmed in writing on order. Contact us for current details.
KSTAR BluePulse C&I ESS · CGP Solar Cyprus
Ready to specify your KSTAR BluePulse 30–50 kW commercial ESS in Cyprus?
Eight factory-built configurations covering the mid-scale tier of KSTAR’s BluePulse range. Four inverter sizes (30, 40, 49.9, 50 kW) × two battery cabinets (197 or 215 kWh of CATL LFP). All AIT-tested at the Austrian Institute of Technology. All backed by KSTAR’s 5-year product / 10-year performance warranty.
CGP Solar is the authorised KSTAR distributor in Cyprus. We deliver the full KSTAR BluePulse 30–50 kW commercial ESS project end-to-end — site analysis, EAC paperwork, civil works coordination, crane offload, commissioning and warranty support.
Contact CGP Solar today to schedule your personalised consultation and discover how the KSTAR BluePulse 30–50 kW commercial ESS in Cyprus can take your bussines to a new level.
FAQ’s
Most asked questions
about KSTAR BluePulse 30–50 kW commercial ESS
The KAC49.9DP2 is rated at 49.9 kW specifically to qualify for grid-connection rules that fast-track approval for systems below 50 kW (e.g. UK G99). The KAC50DP2 delivers 50 kW. Otherwise they share the same DP2 architecture, 4 MPPT trackers, 97.5% efficiency and IP65 rating.
Yes. KSTAR’s product compatibility matrix officially confirms that the KAC50DP2 inverter pairs correctly with both BC197DE2 (197 kWh) and BC215DE2 (215 kWh) outdoor battery cabinets, in both 1×PCS+1×BAT and 1×PCS+2×BAT system configurations. The smaller DP2-family inverters (KAC30/40/49.9) share the same battery-side specifications.
Yes. The battery cabinet is rated for operation from −30 °C to +50 °C ambient and uses an integrated air-conditioner cooling unit to keep the cells at the optimum internal temperature regardless of outside heat. The hybrid inverter is rated from −25 °C to +60 °C with derating above +45 °C. The KSTAR BluePulse 30–50 kW commercial ESS sits well inside the design envelope for Cyprus conditions.
Yes. The cabinet is rated IP54 with C4 anti-corrosion. It is designed to sit on a concrete pad outdoors. The inverter is rated IP65 and is wall-mounted — typically inside a service room or in a sheltered outdoor location.
cabinets use CATL’s 280 Ah LFP cells — the same chemistry CATL supplies to utility-scale BESS projects worldwide. CATL is the global leader in LFP cell production for stationary storage.
KSTAR specifies the on/off-grid switching time of the BluePulse C&I ESS at approximately 10 ms. The system supports direct output to backup loads without a separate switching device or transfer switch.
Self-consumption, peak shifting, time-of-use and battery backup. Modes are configurable through KSTAR’s integrated EMS via cloud portal.
It depends on inverter size and battery. Typical figures for a 50 kW + 215 kWh configuration (193 kWh usable at 90% DoD): around 3.9 hours at full 50 kW load, 5–8 hours at typical commercial loads of 25–40 kW, or 19+ hours running only essential loads of 5–10 kW. Smaller inverters give longer runtime per kWh.
KSTAR’s official warranty is two-part: a 5-year product warranty covering the full KSTAR BluePulse 30–50 kW commercial ESS (battery cabinet, hybrid inverter, BMS, EMS, cooling, safety hardware), plus a 10-year performance/cycle warranty covering the CATL LFP battery’s usable capacity. CGP Solar, as authorised KSTAR distributor in Cyprus, handles all warranty claims directly.
No. The KSTAR BluePulse 30–50 kW commercial ESS has direct backup output built into the hybrid inverter with approximately 10 ms on/off-grid switching. No external transfer switch or separate UPS is required — sensitive loads like servers and PLCs ride through the 10 ms transfer without rebooting.
Yes. The 80–125 kW BluePulse range (KAC80/100/110/125 DP2) is the next step up, with the same battery cabinet options (197 / 215 kWh). See our KSTAR BluePulse 80–125 kW C&I ESS page.





