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The Altech Corporation 1BU12R is a single-pole thermal magnetic circuit breaker designed for supplementary protection. It features a 12A current rating and a voltage rating of 480V AC (277V AC at the line side) and 48V DC. The breaker has a short circuit withstand rating of 10kA and an interrupting capacity of 10kA per IEC/EN standards.
Designed for DIN rail mounting, the 1BU12R has a width of 17.5mm per pole. It operates within a temperature range of -25°C to 60°C and has an electrical life of 6,000 cycles and a mechanical life of 10,000 cycles. The terminal protection degree is IP20 at the front, and it accepts copper wire connections from 14 to 3 AWG with a torque rating of 2.0 Nm for 14-3 AWG and 2.8 Nm for 18-16 AWG.
This circuit breaker is suitable for applications involving sensitive electronics, power supplies, and appliance circuits, where branch circuit protection is required on the load side. It is recognized under UL1077 and carries CE and cURus approvals.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Altech Corporation 1BU12R circuit breaker has a voltage rating of 480V AC and 48V DC.
The 1BU12R circuit breaker has a current rating of 12A.
The 1BU12R has a short circuit withstand rating of 10kA with no back-up fuse for 0.5-6A, and 10kA with a Class J fuse or 5kA without a fuse for 8-63A.
The Altech Corporation 1BU12R circuit breaker is designed for DIN rail mounting.
The operating temperature range for the 1BU12R is -25°C to 60°C.