Circuit Protection

Weidmuller’s DIN-rail mounted circuit breakers are available for use in applications where circuit protection must be able to distinguish between circuit overloads and short circuits. Each circuit breaker has the ability to be reset without the need to change components. All circuit breakers are available with an assortment of jumpers and marking tags.

New! BR Series & SU Series

Compared to traditional fuse installation, the new UL489 and CSA compliant circuit breakers assist with the complex task of selecting correct types and characteristics and offer a less bulky installation solution. Our range of miniature, molded-case circuit breakers, in combination with our accessories for factory or on-site installation, offer enhanced control and monitoring capabilities. Installation kits include all parts and instructions to make the on-site job easy. Weidmuller supplies UL489 compliant 1, 2 and 3-pole-type circuit breakers from 0.5 to 60 Ampere and with type C and D characteristics.

PDF Datasheet      Press Release

ESX10-T

Weidmuller’s remarkable ESX10-T electronic circuit breaker range now provides precise circuit protection and security to 12VDC circuits. Approved for use in Zone 2 hazardous areas, ESX10-TC is designed to ensure selective disconnection of 12VDC load systems in both factory and process control applications. Features such as remote reset or on/off control and the capability to mount in a Zone 2 location provides users with enormous cost and time savings. 

9926 Series

Circuit breakers in the 9926 Series are UL 489 Listed and CSA Certified as branch rated protection devices under CSA 22.2 No. 5-02. The hydraulic magnetic trip mechanism offers 10,000A of interrupting capacity in 120V and 240V, 50/60Hz applications.

CB4200 Series

The CB4200 Series of thermal magnetic circuit breakers feature a pushbutton style of trip reset. This reset provides a visual indication of status which allows for rapid troubleshooting.

CB2200 Series

The CB2200 Series feature integrated alarm contacts within a narrow profile, thereby allowing increased enclosure capacity. All of these circuit breakers demonstrate consistent reliability through 100% calibration and testing, and feature a touch safe design to prevent injury from accidental contact with live components.

CB9100 Series

The CB9100 Series of thermal magnetic circuit breakers provide a rugged and industry-standard form factor (18 mm/pole). This series is for supplemental circuit protection.