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| AEC Qualified | |
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| Automotive Grade | |
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| Illumination | |
| Industrial Grade | |
| Medical Grade | |
| Military Grade | |
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| Rated Voltage | |
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| Tape & Reel | |
| Voltage Rating |
The Altech Corporation 1B4UR is a single-pole miniature circuit breaker designed for reliable overcurrent protection. It features a rated current of 4.0A and a voltage rating of 277V AC.
This breaker utilizes a thermal magnetic trip mechanism, offering a B trip curve characteristic. It has an electrical life of 6,000 switching cycles and a mechanical life of 10,000 switching cycles. The device is designed for DIN rail mounting and provides an IP20 degree of protection.
With a short circuit withstand rating of 10 kA, the 1B4UR is suitable for various industrial and commercial applications requiring robust circuit protection. It operates within an ambient temperature range of -25°C to +55°C.
The rated current is 4.0A.
The rated voltage is 277V AC.
It has 1 pole.
The trip curve is B.
The ambient temperature range is -25°C to +55°C.
It is RoHS3 Compliant.
The MSL is 1.