AA1-B0-10-250-2D1-I
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-10-250-2D1-I is a single-pole, magnetic hydraulic delay circuit breaker. It features a 500mA current rating and a 277V voltage rating.
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The Sensata UPL01-1REC4-25738-1 is a hydraulic magnetic circuit breaker from the APL/UPL series. It is designed for reliable, low-cost power switching, circuit protection, and circuit control. The breaker features a lever actuator for manual operation, similar to an ON-OFF switch. Upon overload, the internal mechanism trips, opening the contacts and forcibly returning the handle to the OFF position. This protector is 'trip free,' meaning the internal contacts will not remain closed in the presence of an overload, even if the handle is held in the ON position.
This specific model is designed for panel mounting. The APL/UPL line offers various configurations, including different delays and ratings. Multi-pole assemblies are also available. While designed for industrial, military, and information processing applications, it is suitable for any situation requiring precision operation.
IMPORTANT NOTICE: The APL/UPL series, including this part number, is a legacy product. No new design-in orders are being accepted, and Sensata Technologies recommends utilizing the Airpax™ IAL series for new designs.
| 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 UPL01-1REC4-25738-1 is a hydraulic magnetic circuit breaker.
It is designed for panel mounting.
It uses a lever actuator.
No, the APL/UPL series, including this part, is a legacy product and no new design-in orders are being accepted.