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The Altech Corporation 3BU1R is a supplementary protector circuit breaker designed for reliable circuit protection. This thermal magnetic breaker features a 3-pole configuration and is rated for 480Y/277VAC.
Key electrical specifications include a 1A current rating and a 10kA short circuit withstand rating. The breaker 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.
Designed for easy installation, the 3BU1R utilizes DIN rail mounting. It supports wire connections for copper wire (60/75°C) with specified torque values for terminal sizes 14-3 AWG and 18-16 AWG. The front terminals offer IP20 protection.
This circuit breaker is UL1077 recognized, cURus, and CE certified, making it suitable for various applications requiring supplementary protection, such as sensitive electronics, power supplies, and appliance circuits.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The 3BU1R circuit breaker has a voltage rating of 480Y/277VAC and a DC voltage rating of 48 VDC.
The 3BU1R circuit breaker has a current rating of 1A.
The 3BU1R circuit breaker is designed for DIN rail mounting.
The operating temperature range for the 3BU1R circuit breaker is -25°C to 60°C.
The 3BU1R circuit breaker is RoHS3 Compliant.