The Noark Ex9MD series offers advanced moulded case circuit breakers (MCCB) specifically designed for DC circuits, particularly effective in high-current applications such as battery banks.

These MCCBs stand out as a more serviceable and efficient alternative to standard fuse bases, providing reliable protection with enhanced features.

Available in 7 Current Ratings: 80, 100, 125, 160, 180, 200, 250 A
(Please select model from Drop down product menu).

Frame Sizes:
Ex9MD1B - 80A to 125A models have a frame size of 90 x 140 x 109mm with M6 Terminals.
Ex9MD2B- 160A to 250A models come in a larger frame size of 105 x 157 x 126mm with M8 Terminals.

Installation Versatility:

Choice of Bus Bar Connection, Lug Line/Load Side Connection, Plug-In and Rear Connection, offering flexibility in installation.

Optional Accessories:

(Please select from drop down product menu)

- Terminal covers for safe concealment of cable connections

- IP65 Waterproof enclosure:

For 2P MCCB 80-125A models - WPB-1
or For 2P MCCB 160A-250A models - WPB-2

The Noark WPB series waterproof enclosure is suitable for the Noark Ex9MD range of DC Moulded Case Circuit Breakers (MCCB). "NW" stands for "No Wire" which means that there is no electrical connection between the enclosure and the outside. The IP65 rating ensures that the device is protected against dust and water ingress making it suitable for use in harsh environments, UV resistant and Ventilation plug included.
For easy installation, the enclosure comes complete with 4 x M25 Glands, Installation brackets and screws.

High-Breaking Capacity:

Equipped with a new patented arc extinguishing design that enhances their current breaking capabilities.

Patented Technology:

The manual operating force is reduced, thanks to new patented technology, making them more user-friendly.

Quality and Design:

These compact, modular MCCBs are not only high in quality but also focus on energy-saving and environmentally friendly aspects.

Additional Features:

- Field installable accessories for added convenience.
- Both fixed and adjustable trip setting units are available.
- Rated for 250V DC per pole (e.g., a 2 pole unit can handle up to 500V DC).

Certifications and Compliance:

- Certified to EN 60947 standards.
- Complies with AS/NZS 5139:2019, meeting requirements for battery circuit breakers as the main battery disconnect.

These MCCBs from the Ex9MD range are an ideal solution for sophisticated DC circuit protection, combining efficiency, flexibility, and reliability.

Specifications:

Click here to view MCCB data sheet

Click here to view Enclosure data sheet

Manual:

Click here to view Enclosure Installation manual.