Commercial Energy Storage

ESG-M Series | 125kW / 261kWh

ModelESG-M261

Commercial Energy Storage — Liquid-Cooled Outdoor All-in-One Utility & C&I ESS | 832Vdc Nominal (728-936V) | 125kW Rated Power | 261kWh (314Ah) | Three-Phase 400Vac | IP55

View comparison shortlist

0 / 3 selected in this product family. Your shortlist stays in this tab.

Ask our team for current pricing and availability for this model.

Applications

Industrial / Commercial Energy Storage

Key features

  • Published fire-protection reference: the manufacturer lists gas detection, aerosol suppression and water firefighting. Confirm which systems are supplied and request their design and test documentation; a component list alone does not establish prevention of thermal runaway.
  • Intelligent Liquid Cooling: Thermal management minimizes cell temperature variance within the PACK, lowering auxiliary power loss and enabling 8,000+ cycles.
  • Complete All-in-One Modular Integration: Single cabinet houses BAT, PCS, BMS, EMS, optional PV DC MPPT modules (45kW/60kW), STS module, and isolation transformer.
  • Operating-mode and switching review: the manufacturer lists optional STS ratings of 150kW, 300kW and 600kW. Confirm the supplied options, supported system architecture and documented changeover behavior; option ratings alone do not establish compatibility with a particular grid or generator project.
  • Cloud-Smart O&M & RUL Prediction: Integrated local LCD touchscreen and cloud platform featuring intelligent balancing, automatic fault localization, and Remaining Useful Life (RUL) forecasting.
  • Expansion and commissioning review: the manufacturer describes parallel expansion up to ten cabinets. Confirm the exact system design, required components, handling and commissioning plan; the published expansion limit is not a plug-and-play installation guarantee.

Specifications 26 details

Warranty periods listed here are catalogue references. Confirm the applicable warranty terms for your exact model and purchase with Toyama.

Rated AC Power / Current125 kW / 180 A
Rated AC Voltage / Wiring400 Vac, 3W+N+PE
Rated AC Frequency50/60 Hz
Power Factor / Total Current Distortion (THDi)1.0 leading – 1.0 lagging / < 3% (at rated power)
Total Voltage Distortion (THDv)< 3% (linear load)
Battery Chemistry / Cell SpecificationLithium Iron Phosphate (LFP) / 314 Ah
Rated Energy Capacity / Configuration261 kWh / 1P260S
Rated System Voltage / Operating Range832 Vdc / 728 Vdc – 936 Vdc
Max. Charge / Discharge Rate & Current0.5P rate / 157 A
Cycle Life≥ 8000 cycles
Optional PV Input Power45 kW / 60 kW
Optional PV Voltage Range (MPPT)250 V – 530 Vdc
Max. PV Current / Number of MPPTs160 A * 4 / 4 MPPTs
Optional In-Cabinet Isolation120 kVA Isolation Transformer
Optional Power Switching (STS)150 kW / 300 kW / 600 kW STS
Standby Power Consumption< 0.1% rated power (excluding transformer)
Cooling MethodIntelligent Liquid Cooling
Fire Protection SystemTriple System: Gas Detection + Aerosol Suppression + Water Firefighting
Dimensions (WHD) / Fully Equipped Weight1600 * 2300 * 1350 mm / 3330 kg
Ingress Protection RatingIP55
Operating Ambient Temperature-25°C to 60°C (derating above 45°C)
Relative Humidity / Max. Altitude0-95% (non-condensing) / Up to 3000m (derating >2000m)
Audible Noise Level< 78 dB
Display & HMILCD Touchscreen
Communication InterfacesBMS: CAN / EMS: Ethernet, RS485
Warranty / Certifications10 years / CB, CE EMC, UN38.3, RoHS