| Category | |
| Manufacturer Name | |
| Actuator Type | |
| Approval Agency | |
| Breaker Type | |
| Current Rating | |
| Current Rating (Amps) | |
| Illumination | |
| Mounting Type | |
| Number of Poles | |
| SVHC Present | |
| Voltage Rating |
The MU2-B-24-621-1-A21-B-C from Littelfuse Inc. is a magnetic hydraulic circuit breaker designed for reliable overcurrent protection. It is rated for 21A continuous current at 250V and features a 2-pole configuration with a push-to-reset actuator. The breaker employs a hydraulic-magnetic delay mechanism, providing precise trip characteristics suitable for a wide range of applications. It is panel-mounted and carries approvals from CCC, CSA, and UL1077, ensuring compliance with international safety standards. The unilluminated design simplifies installation and reduces power consumption. This circuit breaker is ideal for use in industrial control panels, power distribution systems, and equipment requiring branch circuit protection. Its robust construction and magnetic hydraulic technology deliver stable performance under varying temperature conditions.
21A
250V
2 poles
Push to Reset
CCC, CSA, UL1077
Panel Mount
Magnetic (Hydraulic Delay)