Noark 125A 500VDC 2Pole MCCB - 852896 (Ex9MD1B)

Overview

The Noark Ex9MD 500VDC 2-Pole MCCB range is engineered to deliver reliable, high-current protection for demanding direct current applications. Designed with high breaking capacity and advanced arc extinguishing technology, these moulded case circuit breakers provide robust protection for modern DC power systems.

Primarily used on battery banks, the Ex9MD MCCBs offer a more serviceable and maintainable alternative to traditional NH fuse bases. Their compact modular design, flexible connection options, and compliance with Australian battery safety standards make them ideally suited for 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 in 2-pole configuration)

Optimised for Battery Energy Storage

• Designed for use on battery banks and DC power systems
• Provides a serviceable alternative to NH fuse protection
• Approved for use as a main battery disconnect

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 battery 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
• High-quality compact modular design
• Energy-efficient and environmentally friendly construction
• Field-installable accessories available
• Fixed and adjustable trip setting units