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The Altech Corporation 1BU63R is a single-pole, thermal magnetic circuit breaker designed for supplementary protection applications. It offers a current rating of 63A and features a B trip curve, suitable for protecting sensitive electronics, power supplies, and appliance circuits.
This circuit breaker is UL1077 recognized and rated for 480V AC at 50/60Hz, with a short circuit withstand rating of 10kA. It is designed for DIN rail mounting and has a compact width of 17.5mm per pole. The operating temperature range is -25°C to 60°C, and it has an electrical life of 6,000 cycles and a mechanical life of 10,000 cycles.
Key specifications include a terminal size acceptability for 14-3 AWG wire with a torque rating of 17.5 lb-in (2.0 Nm) and for 18-16 AWG wire with a torque rating of 25 lb-in (2.8 Nm). The front terminal protection degree is IP20. It also has a DC voltage rating of 48 VDC (self-certified).
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Altech 1BU63R circuit breaker has a voltage rating of 480V AC and a self-certified DC voltage rating of 48V.
The 1BU63R circuit breaker has a current rating of 63A.
The Altech 1BU63R is a thermal magnetic circuit breaker with a B trip curve.
The short circuit withstand rating for the 1BU63R is 10kA.
The Altech 1BU63R circuit breaker is designed for DIN rail mounting.