Noark 40A 360VDC 2 pole MCB Ex9BN - N84454

Overview

The Noark Ex9BN 2 Pole Miniature Circuit Breakers are non-polarised DC MCBs designed to provide reliable short-circuit and overload protection for general direct current applications. They are ideally suited for use in solar power systems, automation and control circuits, telecommunications, and a wide range of other DC installations.

Engineered for both domestic and industrial environments, the Ex9BN series offers robust performance, flexible configuration, and compatibility with a comprehensive range of accessories, making them a versatile choice for modern DC electrical systems.

Key Features

DC Protection Performance

• Non-polarised design for flexible DC installation
• Provides protection against overload and short-circuit faults
• Suitable for a broad range of DC circuit applications

Flexible Ratings & Applications

• Available current ratings: 10 A, 16 A, 20 A, 25 A, 32 A, 40 A, 50 A, and 63 A
• Suitable for solar, automation, control, and telecommunications systems
• Designed for both residential and industrial use

Modular Accessory System

• Compatible with auxiliary and signal contacts
• Supports shunt trip, under-voltage, and over-voltage release units
• Can be combined with RCD add-on blocks
• Supports up to three auxiliary or alarm contacts and up to two release units

Installer-Friendly Design

• DIN rail mountable for quick installation
• Modular construction allows flexible configuration
• All accessories are fully compatible within the Ex9BN system