AA1-B0-12-650-5D1-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-12-650-5D1-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 50A current rating and a 277V voltage rating.
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The Sensata APL1-1-52-503-A is a single-pole hydraulic magnetic circuit protector from the APL/UPL series. It is designed for reliable power switching, circuit protection, and control, functioning similarly to an ON-OFF switch under normal load conditions. Upon overload, the internal mechanism trips, opening the contacts and forcibly returning the handle to the OFF position. This protector is 'trip free,' meaning it cannot be held closed during an overload.
Key specifications include a current rating of 50A, a voltage rating of 277V, and a panel mount type. The actuator type is a lever. This product is recognized by UL per UL STD. 1077 as a supplementary protector and certified by CSA per CSA STD. C22.2–No. 235.
IMPORTANT NOTICE: The APL/UPL series, including this part, is a legacy product. No new design-in orders are being accepted, and the 205 series is being discontinued. Sensata Technologies recommends utilizing the Airpax™ IAL series for new designs. This circuit protector is suitable for industrial, military, and information processing applications where precision operation is required.
| 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 50A.
The voltage rating is 277V.
It has 1 pole.
It uses a lever actuator.
The mounting type is Panel Mount.
Yes, the APL/UPL series is a legacy product and no new design-in orders are being accepted.