BESS PV System AC 400V 125kW/271kWh 0ms Transfer

Redefining critical AC and DC power continuity, this BESS PV System guarantees true zero-interruption energy supply for precision manufacturing and core communication centers. The BESS-L-125D-271-120 model functions as a permanently online energy storage bess, continuously routing primary PV and battery power while keeping the grid and diesel generators strictly as backup to eliminate physical switching delays entirely.

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ModelBESS-L-125D-271-120
AvailabilityIn stock
  • CE & TUV certified
  • Worldwide shipping
  • OEM & ODM support

Product Features of the BESS PV System

Enclosed in a robust IP54 structure, this BESS PV System utilizes a sophisticated BMS alongside dry self-cooling technology to maintain absolute cell stability during relentless online operation.

  • Zero-Interruption Architecture: Operates continuously online to physically eliminate transfer times (0ms), acting as a “power safe box” against grid fluctuations or failures.
  • High-Capacity Output: Delivers 125kW of continuous AC power with a massive 271kWh DC rated energy capacity driven by a 1P270S cell configuration.
  • Green Energy Priority: Intelligently prioritizes solar harvesting and battery discharge, drastically cutting diesel runtime to lower commercial energy costs.
  • Parallel Expansion: Scales effortlessly by allowing up to 8 PCS units in parallel, meeting expanding requirements for any demanding bess power system.
  • Advanced Remote Control: Supports multi-end remote access via integrated device-side protocols to monitor load capacities and system status instantly.

Safety Certifications & Operating Conditions

Engineered for supreme resilience, the unit executes stable charging from 045°C (with working operations from -3060°C and derating above 45°C) and handles extreme altitudes up to 4000m. It holds CE, IEC62619, and UN38.3 certifications, heavily fortified with an integrated aerosol fire module.

Commercial Applications utilizing the BESS PV System

Deploying the BESS-L-125D-271-120 secures uncompromising power stability for infrastructures that absolutely require a highly dependable BESS PV System.

Applications & Use Cases

  • Precision Manufacturing: Supplies perfectly stable 230/400V AC power, eliminating voltage and frequency oscillations that cause severe production downtime.
  • Critical Medical Hubs: Functions as a flawlessly integrated energy storage bess, providing instantaneous zero-millisecond power assurance during sudden utility dropouts.
  • Core Data Centers: Upgrades traditional backup concepts into an active, permanently online power defense mechanism, minimizing devastating data loss risks.

Technical Specifications for the BESS PV System

Evaluate the comprehensive electrical parameters below to align this online BESS PV System accurately with your ultra-critical AC and DC microgrid requirements.

Battery Cluster Specifications (DC Side)

DC Battery Module & Cluster Data
Rated Energy 271kWh
Rated Capacity 314Ah
Rated Voltage 864V DC
Output Voltage Range 756V – 950V DC
Grouping Method 1P 270S
Max Continuous Current 157A (Charge/Discharge)

PCS Electrical Parameters (AC Side)

Power Conversion System Specifications
Output Power 125kW
Rated Current 181A
AC-Side Voltage of PCS 3P/N/PE, 230 / 400V
Overload Capacity × 1.1 continuous; × 1.25 (30ms)
Frequency 50 / 60Hz
Power Factor -1 ~ 1
Battery Side Voltage 680V – 950V DC
Parallel Capability Max 8 PCS

Dimensions and Installation of the BESS PV System

Verify exact enclosure measurements and mounting clearances to properly integrate this online microgrid system into your critical exterior commercial infrastructure.

bess pv system

Physical & Environmental Data

System Physical Specifications
Dimensions (W × D × H) 2120 mm × 1470 mm × 2230 mm
Weight 3210 kgs
Degree of Protection IP54
Cooling Method Dry self-cooling
Status Display 7-inch resistive touch screen
Fire Protection System Aerosol fire module
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