Sigenergy - SigenCube C&I BESS Cabinet (199.99kW/401kWh)

Sigenergy - SigenCube C&I BESS Cabinet (199.99kW/401kWh)

SKU: SigenCube ES401-2H-AU

The Sigenergy - SigenCube C&I BESS Cabinet (199.99kW/401kWh) (SKU: SigenCube ES401-2H-AU) is an all-in-one commercial and industrial battery energy storage system (C&I BESS) engineered for high energy density, simplified deployment, and peak grid-interactive performance. Integrating the PCS, high-voltage control box, and power distribution into a single unified cabinet, it delivers 199.99 kW nominal AC output power and 401 kWh total LFP energy capacity within a compact footprint. Featuring smart predictive liquid cooling, 150 percent surge overload capability, built-in EMS scaling for up to 100 units in parallel, and multi-stage fire suppression, the SigenCube ES401-2H-AU provides reliable peak shaving, seamless backup, and grid support for commercial installations.

Key Features: Sigenergy - SigenCube C&I BESS Cabinet (199.99kW/401kWh)

• All-in-One Compact Architecture: Integrates the PCS, HV control box, and distribution system into a single platform, delivering an industry-leading 220.9 kWh per square metre energy density and reducing site footprint by over 30 percent.

• High Output & Storage Capacity: Provides 199.99 kW nominal AC output power (199.99 kVA max apparent power) and 401 kWh usable LFP battery storage.

• Superior 150 Percent Overload Capability: Delivers a peak output of 299.985 kVA for 10 seconds to effortlessly start high-surge industrial motor loads such as pumps and compressors.

• Built-in EMS & Massive Scalability: Parallels up to 100 units without requiring an external data logger, backed by automatic failover where any SigenCube can assume control.

• Smart AI Thermal Management: Employs predictive liquid cooling that anticipates load changes, reduces auxiliary power consumption by 20 percent, extends coolant lifespan to 10 years, and mitigates calendar aging.

• Pack-Level Active Balancing: Features 7A active balancing to unlock more usable energy without requiring on-site state-of-charge calibration.

• Seamless Backup & Black Start: Enables 0 ms transfer time for critical loads when paired with a Sigen Energy Gateway, alongside MWh-level black start capabilities.

• Multi-Stage Fire & Electrical Safety: Housed in an IP55 / C4-M rated enclosure equipped with a top explosion vent, water-based firefighting interface, aerosol suppression, combustible gas detectors, smoke detectors, and eight layers of overcurrent protection.

• Whisper-Quiet Operation: Runs at low operational noise levels of less than or equal to 60 dB, expanding placement flexibility across sensitive C&I sites.

Basic Specs: Sigenergy - SigenCube C&I BESS Cabinet (199.99kW/401kWh)

• Product Model: SigenCube ES401-2H-AU

• Battery Chemistry: Lithium Iron Phosphate (LiFePO4)

• Total Energy Capacity: 401 kWh

• DC Nominal Voltage Range: 896 V to 1152 V

• Nominal Charge / Discharge Rate: 0.5P

• Nominal AC Output Power (On-Grid): 199,990 W (199.99 kW)

• Max Output Apparent Power (On-Grid): 199,990 VA

• Peak Output Apparent Power (Backup, 10s): 299,985 VA

• Nominal AC Voltage & Grid Type: 400 V, 3-Phase 4-Wire (3P4W)

• Nominal Grid Frequency: 50 Hz / 60 Hz

• Dimensions (W x H x D): 1100 x 2450 x 1850 mm

• Cabinet Weight: 4000 kg

• Ingress & Anti-Corrosion Protection: IP55 / C4-M

• Operating Ambient Temperature Range: -30 to 55 degrees C (Derating begins at 45 degrees C)

• Cooling Method: Smart Liquid Cooling

• Noise Level: less than or equal to 60 dB

• Communication Ports & Protocols: WLAN, Fast Ethernet, RS485 / Modbus TCP, IEC 61850

What’s Included: Sigenergy - SigenCube C&I BESS Cabinet (199.99kW/401kWh)

• Sigenergy SigenCube C&I BESS Cabinet (Model: SigenCube ES401-2H-AU)

• Pre-installed 401 kWh LFP Battery Racks with Liquid Cooling Manifold

• Integrated 199.99 kW Power Conversion System (PCS) and HV Control Box

• Internal Power Distribution Assembly and Built-in EMS Controller

• Integrated Safety & Suppression Suite (Top explosion vent, gas and smoke detectors, cabinet aerosol, and water-based connection interface)

• Installation Hardware and Commissioning Documentation

Why Choose AC Solar Warehouse for Sigenergy - SigenCube C&I BESS Cabinet (199.99kW/401kWh)?

When sourcing the Sigenergy - SigenCube C&I BESS Cabinet (199.99kW/401kWh) through AC Solar Warehouse, you benefit from industry-leading commercial solar and energy storage expertise, guaranteed authentic equipment, and dedicated technical service. AC Solar Warehouse offers end-to-end support for commercial installers—from pre-sale system design, SLD review, and grid connection compliance to on-site commissioning guidance. With established logistics infrastructure and dedicated engineering support, AC Solar Warehouse ensures your commercial BESS projects are delivered smoothly and backed by trusted industry professionals.