DC Disconnect Switch 2000V 315A/500A BYSS-315MOD/BYSS-500MOD IEC

The BENY BYSS MOD Series Motorized DC Isolator Switch is designed for modern energy storage systems requiring safe, reliable DC isolation. Rated up to DC 2000V and 500A, it combines motorized remote operation with manual control, providing fast switching, excellent arc suppression, and high operational reliability for PCS, battery cabinets, and large-scale ESS applications.

Highlights :
2000V
Up to 500A
Motorized and manual operating modes
Ultra-fast arc extinction for enhanced safety
Low temperature rise and long electrical endurance

Suitable for battery energy storage systems (BESS)

Product Overview
The BYSS MOD Series Motorized DC Isolator Switch is engineered to provide safe isolation and remote switching in high-voltage DC systems. Designed specifically for energy storage applications, it supports both motorized and manual operation, allowing flexible installation and maintenance while improving system safety.

Its high breaking capability, low operating temperature rise, and reliable arc suppression ensure dependable performance in demanding battery storage environments. The switch can be remotely controlled through a DC24V control signal while maintaining manual operation for emergency or maintenance scenarios.

Applications

Suitable for
Battery Energy Storage Systems (BESS)
Commercial & Industrial ESS
Utility-scale Energy Storage
Battery Cabinets
Power Conversion Systems (PCS)
DC Distribution Systems
Renewable Energy Storage

Microgrid Systems

Advantages

Reliable DC Isolation

Designed for DC systems up to 2000V, providing dependable electrical isolation for modern energy storage installations.

Remote Intelligent Control

Supports remote motorized switching through a DC24V control interface, making it ideal for automated ESS operation and monitoring.

Flexible Operation

Three operating modes—motorized, manual, and lockout—provide maximum flexibility during normal operation, maintenance, and safety isolation.

High Safety Performance

Ultra-fast arc extinction, low temperature rise, high impulse withstand capability, and reliable position indication improve operational safety and equipment protection.

Why Choose BENY Motorized DC Isolator Switch?

BENY’s BYSS MOD Series is purpose-built for next-generation battery energy storage systems, delivering reliable DC isolation, intelligent remote control, and outstanding electrical performance. Its robust design, flexible operating modes, and compliance with IEC 60947-3 make it an ideal choice for commercial, industrial, and utility-scale ESS projects requiring safe and efficient DC switching.

SPECIFICATION

Item	Specification
Rated Voltage	Up to DC 2000V
Rated Current	Up to 500A
Operating Mode	Motorized / Manual / Lockout
Control Voltage	DC24V
Rated Impulse Withstand Voltage	12kV
Standard	IEC 60947-3
Applications	Energy Storage Systems
Mounting	Vertical or Horizontal