AA2-B0-20-640-5D1-C
Littelfuse Inc.
The Littelfuse Inc. AA2-B0-20-640-5D1-C is a 2-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism.
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The Sensata APL11-1REC4-62-403-M is a hydraulic magnetic circuit protector from the APL/UPL series. This legacy product is designed for reliable power switching, circuit protection, and control. It features a 40A current rating and a 277V AC voltage rating, with a 65V DC rating also available.
The breaker is a 2-pole unit with a lever actuator and is designed for panel mounting. Upon overload, the internal mechanism trips, opening the contacts and forcibly returning the handle to the OFF position. The 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 series offers configurations including series, shunt, and relay with a choice of delays and ratings. Multi-pole assemblies are available with a mix of current ratings, delays, and internal circuit configurations. While designed for industrial, military, and information processing applications, it is suitable for any situation requiring precision operation. Note that this is a legacy product, and Sensata Technologies recommends the Airpax™ IAL series for new design-ins.
| 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 40A.
The AC voltage rating is 277V.
It has 2 poles.
It is a Magnetic (Hydraulic Delay) type breaker.
It is designed for panel mounting.
Yes, the APL/UPL series is a legacy product and no new design-in orders are being accepted.