AA1-B2-12-250-1B2-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B2-12-250-1B2-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism.
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The Sensata APL1-1-51-501 is a hydraulic magnetic circuit breaker designed for reliable power switching and circuit protection. This single-pole unit offers a current rating of 500mA and a voltage rating of 277V.
It features a convenient lever actuator for manual operation and is designed for panel mounting. The APL/UPL series, to which this part belongs, provides a trip-free mechanism, ensuring that the internal contacts will not remain closed under overload conditions, even if the handle is held in the ON position.
This legacy product is recognized by UL and certified by CSA as a supplementary protector. While suitable for various industrial and information processing applications, it is important to note that this is an existing design-in only product, and new design-in orders are not being accepted. For new designs, Sensata Technologies recommends utilizing the Airpax™ IAL series.
| Qty | Low | High |
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| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The current rating is 500mA.
The voltage rating is 277V.
It is a Magnetic (Hydraulic Delay) circuit breaker.
It is designed for panel mounting.
It features a lever actuator.
Yes, the APL/UPL series is a legacy product and no new design-in orders are being accepted.