Noark 200A 500VDC 2Pole MCCB - 852901 (Ex9MD2B)

Overview

The Noark EX9MD 500VDC 2 Pole MCCB Circuit Breakers are designed to deliver reliable, high-current protection for DC battery systems. Commonly used on battery banks, the EX9MD range provides a more serviceable and flexible protection solution compared to standard NH fuse bases.

Featuring advanced arc extinguishing technology, reduced operating force, and multiple installation options, these MCCBs are well suited to modern energy storage systems requiring dependable DC isolation and protection.

Key Features

DC Circuit Protection

• Rated at 250V DC per pole (2-pole configuration = 500V DC)
• High breaking capacity for demanding DC applications
• Ideal for battery bank protection and main DC disconnects

Advanced Design & Safety

• Patented arc extinguishing technology for improved DC interruption
• Patented mechanism reduces manual operating force
• Energy-saving, environmentally friendly modular design

Installation Flexibility

• Busbar connection options
• Lug line/load side connections
• Plug-in and rear connection options
• Supports field-installable accessories

Trip & Configuration Options

• Fixed and adjustable trip setting units available
• High-quality compact MCCB construction

Frame Sizes

• 80A – 125A: 90 × 140 × 109 mm
• 160A – 250A: 105 × 157 × 126 mm