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The Altech Corporation 3BU25R is a supplementary protector designed for various applications, including sensitive electronics and power supplies. This 3-pole circuit breaker utilizes a thermal magnetic trip mechanism and is rated for 25A at 480Y/277VAC.
Key specifications include a 10kA short circuit withstand rating and UL1077 recognition. The breaker is designed for DIN rail mounting and has a mechanical life of 10,000 cycles and an electrical life of 6,000 cycles.
It operates within a temperature range of -25°C to 60°C and features terminals compatible with 14-3 AWG copper wire, requiring a torque of 17.5 lb-in (2.0 Nm) for 14-3 AWG and 25 lb-in (2.8 Nm) for 18-16 AWG.
Applications for this device include load-side protection for branch circuits, sensitive electronics, power supplies, and appliance circuits. It offers a positive trip indicator for clear status indication.
| Qty | Low | High |
|---|---|---|
| 1+ | $41.11 | $41.11 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Altech 3BU25R circuit breaker has a voltage rating of 480Y/277VAC and a DC voltage rating of 48 VDC.
The current rating of the 3BU25R circuit breaker is 25A.
The Altech 3BU25R is a thermal magnetic circuit breaker with a B-curve trip characteristic.
The Altech 3BU25R circuit breaker is designed for DIN rail mounting.
The operating temperature range for the 3BU25R is -25°C to 60°C.