Noark 160A 500VDC 2Pole MCCB - 852899 (Ex9MD2B)

Overview

The Noark Ex9MD 500VDC 2-Pole MCCB range delivers high-performance circuit protection for high-current direct current applications. Designed primarily for battery bank installations, these moulded case circuit breakers provide a robust and serviceable alternative to traditional NH fuse bases.

With advanced arc extinguishing technology, compact modular construction, and multiple installation options, the Ex9MD series is ideally suited for modern battery energy storage systems requiring reliable isolation, protection, and compliance with Australian standards.

Key Features

High-Performance DC Protection

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

Optimised for Battery Systems

• Designed for use on battery banks and energy storage systems
• Complies with AS/NZS 5139:2019 requirements for main battery disconnects
• Provides a serviceable alternative to NH fuse protection

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

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