Noark 100A 500VDC 2Pole MCCB - 852895 (Ex9MD1B)

Overview

The Noark Ex9MD 500VDC 2-Pole MCCB range is designed to deliver reliable, high-current protection for direct current applications. Featuring high breaking capacity and advanced arc extinguishing technology, these moulded case circuit breakers are engineered for demanding DC environments.

Primarily used on battery banks, the Ex9MD MCCBs offer a more serviceable and robust alternative to traditional NH fuse bases. Their compact modular design, flexible installation options, and compliance with Australian battery safety standards make them ideally suited for modern battery energy storage systems.

Key Features

High-Performance DC Circuit Protection

• High breaking capacity for high-current DC circuits
• Patented arc extinguishing design for enhanced safety
• Rated at 250V DC per pole (500V DC total for 2-pole configuration)

Battery System Optimisation

• Designed for use as a main battery circuit breaker
• Provides a serviceable alternative to NH fuse protection
• Suitable for battery banks and energy storage systems

Current Ratings & Frame Sizes

• 80A–125A models: frame size 90 × 140 × 109 mm
• 160A–250A models: frame size 105 × 157 × 126 mm
• Supports a wide range of system capacities

Installation Flexibility

• Busbar connection options
• Lug line and load side connections
• Plug-in and rear connection configurations

Advanced Design & Expandability

• Patented technology reduces manual operating force
• Compact, energy-efficient and environmentally friendly design
• Field-installable accessories available
• Fixed and adjustable trip setting units