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Home > All Products > High Voltage Battery Management System > JKESS Master BMS > 200A HV Master BMS
  • 200A HV Master BMS
  • 200A High Voltage Master BMS
  • 200A High Voltage Master BMS
  • 200A High Voltage Master BMS
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  • 200A HV Master BMS
  • 200A High Voltage Master BMS
  • 200A High Voltage Master BMS
  • 200A High Voltage Master BMS

200A High Voltage Master BMS

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WiFi + Cloud Monitoring

Remote Configuration via APP

Active Balancing (2A)

80V-1000V Operating Voltage

Supports different inverter brands

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  • 200A HV Master BMS
  • 200A High Voltage Master BMS
  • 200A High Voltage Master BMS
  • 200A High Voltage Master BMS
  • 200A HV Master BMS
  • 200A High Voltage Master BMS
  • 200A High Voltage Master BMS
  • 200A High Voltage Master BMS
1/1
  • 200A HV Master BMS
  • 200A High Voltage Master BMS
  • 200A High Voltage Master BMS
  • 200A High Voltage Master BMS
  • Description

Product Description

Advanced Battery Cluster Control for System Integrators

Designed as a centralized battery management system bms, the 200A High Voltage master bms serves manufacturers and integrators managing large-scale energy storage cabinet solutions. It integrates a battery control box capability to streamline high voltage bms applications, enabling efficient control over battery clusters. Target users include energy storage system designers and PCS manufacturers requiring precise, unified management of battery performance, safety, and communication protocols. The system supports DC voltage spans from 120V to 750V, addressing the demanding scope of industrial and commercial battery installations.

Robust Technical Features and Safety Measures

Engineered with a 200A molded case circuit breaker and 250A DC contactors, this master bms delivers high-current switching with optimized safety. It incorporates pre-charge control through a 30A contactor and 50Ω resistor, ensuring secure startup sequences. Equipped with CAN and RS485 interfaces, this battery management system bms facilitates real-time remote monitoring and seamless integration with PCS and battery modules. Current sensor accuracy of ±0.2% enhances precision, while fuse protection and insulation detection uphold system reliability. The built-in battery control box unit consolidates these functions into a compact design, ideal for high voltage bms applications.

Application in Energy Storage and Industrial Integration

The 200A High Voltage master bms excels in complex energy storage cabinet configurations, enabling centralized management of battery clusters within power conversion systems. It supports OEM and ODM custom projects, enhancing system scalability and compliance with international safety standards. This bms high voltage unit plays a critical role in industrial and commercial energy projects by delivering reliable protection and communication capabilities. Its integration protocols align with advanced energy storage system workflows, ensuring optimized operational efficiency and risk mitigation in demanding environments.


JK JKESS
HIGH VOLTAGE ENERGY STORAGE POWER CONTROL

ESS-HV-BC250
200A High Voltage Box

An integrated high-voltage power circuit management unit designed for energy storage battery clusters and PCS integration, combining high-voltage switching, pre-charge control, current measurement, insulation detection and intelligent BCU communication in one compact system.

DC 120–750V 200A Circuit Breaker 250A DC Contactors Built-in BCU CAN + RS485 Pre-Charge
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Project-based pricing · OEM/ODM support · Lead time confirmed by order quantity
BUSINESS VALUE

Why Choose JKESS High Voltage Box?

Designed for energy storage system manufacturers, battery factories, PCS integrators, EPC contractors and energy storage project developers requiring centralized high-voltage switching, protection and battery cluster management.

750V

High-Voltage Architecture

Standard working voltage from DC 120V to 750V for high-voltage energy storage battery cluster applications.

200A

High-Current Switching

A 200A molded case circuit breaker combined with 250A DC contactors supports high-current battery cluster control.

BCU

Integrated Battery Control

The built-in Battery Cluster Control Unit manages battery cluster control, protection and data communication.

CAN + 485

System Communication

CAN, daisy-chain and RS485 interfaces support communication with battery management modules and PCS systems.

Quality, Compliance & Intellectual Property

JKESS develops high-voltage BMS and energy storage control solutions for global battery and ESS applications. Compliance documentation, quality certificates and intellectual property documentation are available according to product and project requirements.

CE Documentation RoHS Documentation FCC Documentation IP / Patent Support OEM / ODM
BEFORE ORDERING

Important Purchase Information

Please confirm the final configuration, communication protocol, connector requirements and installation conditions before mass production.

Standard Configuration

  • 200A molded case circuit breaker
  • 250A DC charging contactor
  • 250A DC discharge contactor
  • 30A pre-charge contactor
  • 50Ω pre-charge resistor
  • 50A / ±0.2% current sensor
  • 150A main-circuit fuse
  • 120W / 24V switching power supply
  • Built-in Battery Cluster Control Unit (BCU)
  • 0–200A energy storage connectors
  • BMS power control switch and indicator
  • RJ45 CAN communication interface

Not Included Unless Quoted

  • Battery cells or complete battery cluster
  • PCS / energy storage converter
  • External battery and PCS power cables
  • External communication cables
  • Energy storage cabinet or rack
  • LCD display unless specified
  • External IOT monitoring equipment
  • Site installation and commissioning service
ENGINEERING HIGHLIGHTS

Key Features

A compact high-voltage control platform engineered to simplify battery cluster protection, PCS communication and system-level integration for energy storage applications.

01 / VOLTAGE

120–750V DC Working Range

Designed for high-voltage battery cluster systems operating within the specified DC voltage range.

02 / CURRENT

200A Main Circuit

The standard configuration uses a 200A molded case circuit breaker for battery cluster circuit control.

03 / CONTACTOR

250A DC Contactors

Dedicated charging and discharge contactors provide automatic opening and closing of the battery cluster circuits.

04 / PRE-CHARGE

Controlled Pre-Charge

A 30A pre-charge contactor and 50Ω resistor provide pre-charge and circulating circuit current limiting.

05 / PROTECTION

Fuse + Breaker Protection

A 150A fuse and 200A circuit breaker provide additional protection for the main high-voltage circuit.

06 / MONITORING

Voltage & Current Detection

Supports accurate battery cluster terminal voltage, terminal current and insulation state detection.

07 / THERMAL

Temperature Monitoring

Supports temperature detection of copper bars and power connectors inside the high-voltage box.

08 / COMMUNICATION

CAN + Daisy Chain + RS485

The built-in BCU supports communication with battery management modules, system hosts and PCS.

Need a 200A High Voltage Box for Your ESS Project?

Send your battery voltage, current rating, PCS model, communication protocol and project quantity for configuration review.

Request a Quote →
Use Scenarios

High Voltage Battery Cluster Management in Energy Storage Systems
Within utility-scale and commercial energy storage cabinet deployments, the 200A High Voltage master bms governs battery cluster operations with stringent safety and performance standards. It strategically manages high current charging and discharging cycles through its robust contactor and circuit breaker setup. Its multi-protocol communication capabilities enable real-time data exchange with PCS and supervisory systems, facilitating grid-responsive energy storage control. By ensuring operational transparency and fault detection, this battery control box optimizes system uptime and compliance with industry safety regulations.

Systems Integration for Power Conversion and Monitoring
In industrial PCS environments, this bms high voltage module acts as a central controller for the battery cluster interface, coordinating power switching and status monitoring. It enhances system reliability by incorporating insulation monitoring and fuse protection, adapting to fluctuating operating conditions typical in renewable energy and backup power applications. The 200A High Voltage master bms integrates seamlessly with cloud-based management platforms via CAN/RS485, supporting remote diagnostics and configuration needed for modern energy storage cabinet operations. It is suited for integrators focusing on scalable, safety-compliant battery management system bms solutions.




FAQ 

What voltage range does the 200A High Voltage master bms support?
Our high voltage bms operates within a DC voltage range of 120V to 750V, making it suitable for a variety of high-voltage battery clusters in energy storage systems. This wide range ensures compatibility and reliable performance across applications.

Can you customize the communication protocols for the master bms?
Yes, we provide OEM and ODM services with support for customized communication protocols. Our master bms includes CAN and RS485 interfaces for flexible integration with different battery management system bms modules and PCS units.

What installation requirements should I be aware of for the battery control box?
We recommend installation by qualified technicians familiar with high-voltage battery systems. Proper wiring and secure mounting are essential to maintain safety and system stability when using our battery control box with connection to PCS and battery clusters.

How do you ensure the reliability and safety of your master bms products?
Our products undergo strict quality control and hold international certifications such as CE, RoHS, and FCC. The master bms integrates multiple safety features, including a 200A circuit breaker, fuse protection, insulation detection, and pre-charge control for safe battery startup.
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