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High-Voltage 52S slave BMU | 3A Active Balancing | ±5mV Accuracy | CAN 2.0B

Name: High-Voltage 52S slave BMU | 3A Active Balancing | ±5mV Accuracy | CAN 2.0B
Brand: Hunan GCE Technology Co.,Ltd
SKU: BMU02F4-N50S32T-3A
Price: 100000000 USD
Availability: InStock

Product Details

Place of Origin: china

Brand Name: GCE

Certification: CE

Model Number: BMU02F4-N50S32T-3A

Payment & Shipping Terms

Minimum Order Quantity: 10 units

Price: Consult with cara@hngce.com

Packaging Details: Cardboard box foam packaging

Delivery Time: 25 workdays

Payment Terms: L/C, T/T

Supply Ability: 1000 units per month

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Product Details

Product Description

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                                                                                                                                                                                                                                                                                    High-Voltage 52S slave BMU with 3A Active Balancing, High-Voltage BMU with ±5mV Accuracy, HV BMS with CAN 2.0B protocol
                      

Product Name:	Battery Management System BMS	Material:	Metal
Color:	White	Communication:	CAN
Cells Numbers:	52S	ODM/OEM:	Support
Warranty:	1 Year	Suitable For Battery:	LFP / NMC/LTO
Size:	37813736mm	Operating Voltage Grade:	<1000VDC

Product Name:	Battery Management System BMS
Material:	Metal
Color:	White
Communication:	CAN
Cells Numbers:	52S
ODM/OEM:	Support
Warranty:	1 Year
Suitable For Battery:	LFP / NMC/LTO
Size:	37813736mm
Operating Voltage Grade:	<1000VDC

High-Voltage 52S slave BMU | 3A Active Balancing | ±5mV Accuracy | CAN 2.0B

High-Voltage 52S Slave BMU | 3A Active Balancing | ±5mV Accuracy | CAN 2.0B

Key Features

52S Battery Support - Monitors up to 52 series cells with 32 temperature sensors
3A Active Equalization - Efficient active balancing for extended battery life and performance
High-Precision Monitoring - ±5mV voltage accuracy & ±2°C temperature accuracy

1000VDC Operating Voltage - Suitable for high-voltage energy storage systems
Modular Distributed Architecture - Seamless communication with RBMS/SBMS via CAN 2.0B
Robust Design - 2800VDC isolation rating, -20°C~60°C operating range
Easy Integration - Compact 377.4×137×36mm form factor with harness accessories included

Product Overview

The GCE BMU02F4-N Series is a high-voltage Battery Management Unit designed for large-scale energy storage systems, supporting up to 52 series-connected cells with comprehensive voltage and temperature monitoring. As the core component of distributed battery management architecture, this BMU delivers precise cell supervision, active equalization, and reliable CAN communication for seamless integration with rack and stack management systems.

Precision Monitoring & Active Balancing

Equipped with advanced AFE (Analog Front End) chips, the BMU02F4-N achieves ±5mV voltage measurement accuracy and ±2°C temperature accuracy across a -30°C to 100°C detection range. The integrated 3A active balancing function ensures all cells maintain consistent state-of-charge, significantly improving pack longevity and overall system efficiency. Active balancing actively transfers energy between cells rather than dissipating it as heat, making it far more efficient than passive balancing methods.

High-Voltage & Safety Compliance

Designed for demanding applications, the BMU supports operating voltages up to 1000VDC and features 2800VDC isolation rating (60s at 2mA), ensuring safe operation in high-voltage environments. The unit complies with industry safety standards, and all installation and maintenance procedures are designed with operator safety in mind.

Flexible Configuration & Scalability

The BMU02F4-N is available in multiple configurations:

Standard Models: 50S/32T and 52S/32T (series cells / temperature sensors)
Custom Options: Non-standard configurations from 40S to 48S available upon request

Each BMU integrates seamlessly with:

RBMS (Rack Battery Management System) - Cabinet-level management
SBMS (Stack Battery Management System) - System-level coordination
CAN 2.0B communication at 250kbps for reliable data exchange

Compact Design & Easy Installation

With dimensions of 377.4 × 137 × 36 mm (W×H×D), the BMU offers a space-efficient solution that can be embedded within battery modules or mounted externally. The unit includes:

4× 32-pin acquisition harnesses (standard 900mm length)
1× communication harness (standard 300mm length)
Standardized terminal connectors (A-M2200 series) for simplified wiring

Robust Environmental Tolerance

Built for real-world conditions, the BMU operates reliably in:

Parameter	Operating Range	Storage Range
Temperature	-20°C to 60°C	-20°C to 55°C
Humidity	5% to 75% RH	≤75% RH
Altitude	Up to 2000m (indoor installation only)
Isolation	2800VDC/60s/2mA voltage resistance

Wiring & Connection Guide

The BMU uses four AFE acquisition units distributed across connectors J2~J5:

Connector	Cells	AFE Unit
J2	Cells 1-13	AFE #1
J3	Cells 14-26	AFE #2
J4	Cells 27-39	AFE #3
J5	Cells 40-52	AFE #4

Critical Wiring Rule: The battery voltage sampling wire and AFE chip power supply wire must use separate, independent harnesses - they cannot share the same conductor. Each AFE chip requires its own dedicated power supply harness.

Important Safety Instructions

Always connect battery-side wiring first before connecting to the BMU - never connect the BMU before securing voltage acquisition and temperature probe connections to the battery
Use insulated tools during installation, commissioning, and maintenance
Wear proper PPE: insulated rubber gloves, eye protection, and insulated rubber boots
If metallic debris falls into the battery during work, remove it with insulated tools immediately - never leave foreign matter inside
Follow wiring diagrams strictly to prevent circuit board damage
Avoid prolonged use in environments with: excessive temperature/humidity, strong vibration, direct sunlight, dust, corrosive substances, or flammable materials

Applications

Utility-scale energy storage systems
Commercial & industrial battery cabinets
High-voltage battery stacks (LFP/NMC chemistries)
Renewable energy integration (solar/wind storage)
Microgrid and peak-shaving systems

Technical Support

For the latest specifications, 3D CAD files, or custom configuration inquiries, please contact GCE technical support:

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