BA1-B4-12-425-321-D
Littelfuse Inc.
The Littelfuse Inc. BA1-B4-12-425-321-D is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a panel mount design and a 2.5A current rating.
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The Sensata APL1-1-52-252-A is a hydraulic magnetic circuit protector from the APL/UPL series. This single-pole device offers reliable power switching, circuit protection, and control, functioning similarly to an ON-OFF switch under normal load conditions.
Key electrical specifications include a current rating of 2.5A and a voltage rating of 277V. The breaker type is magnetic with a hydraulic delay, and it features a lever actuator for operation. It is designed for panel mounting.
This product is a legacy design and is noted as 'Existing Design-In Only'. Sensata Technologies recommends the Airpax™ IAL series for new designs. The APL/UPL family is recognized by UL per UL STD. 1077 as supplementary protectors and certified by CSA per CSA STD. C22.2–No. 235.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The current rating is 2.5A.
The voltage rating is 277V.
It has a single pole.
It is designed for panel mounting.
The actuator type is a lever.
Yes, the APL/UPL series is a legacy product and no new design-in orders are being accepted.