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CBI Electric DC Solar Battery Isolator 250A Breaker Only IP2X - QT250

CBI Electric DC Solar Battery Isolator 250A Breaker Only IP2X - QT250

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  • Hydraulic magnetic DC MCB – designed for safe battery protection and switching
  • 250 A / 80 V DC rated – suitable for high-current battery storage systems
  • 4 pole configuration (2 × 2P) – integrated protection and isolation in one unit
  • High breaking capacity – 10 kA Icu for demanding DC applications
  • Busbar and lockdog included – simplifies installation and enables secure isolation
  • Wide operating temperature range – reliable from -40°C to +85°C
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  • Description
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Description

Overview

The CBI Electric QT250 4P (2×2P) 250 A 80 V DC MCB with Busbar and Lockdog is part of CBI’s hydraulic magnetic Battery Storage MCB range, engineered to provide robust protection and safe isolation for solar and battery energy storage systems.

Combining high DC breaking capacity with an integrated busbar and lockdog mechanism, this unit ensures batteries can be disconnected and serviced in the safest possible manner.

Key Features

Advanced DC Battery Protection

  • Hydraulic magnetic operating principle for precise and reliable protection
  • Rated breaking capacity (Icu) of 10 kA
  • Designed specifically for battery storage and solar DC circuits

Electrical Ratings & Configuration

  • 250 A standard current rating
  • 80 V DC rated voltage
  • 4 pole configuration (2 × 2P) for integrated battery isolation

Installation & Mounting

  • Dual mounting options: DIN rail and mini rail
  • Integrated busbar simplifies wiring and installation
  • Suitable for isolation and maintenance switching

Environmental Performance

  • Operating temperature range from -40°C to +85°C
  • Designed for demanding renewable energy environments
  • Built for long-term, reliable operation

Downloads

Datasheet