CA3-B2-24-650-321-CG
Littelfuse Inc.
The Littelfuse Inc. CA3-B2-24-650-321-CG is a 3-pole circuit breaker designed for panel mounting. It features a 50A current rating and a 240V voltage rating.
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The Sensata APL/UPL series, including the APL111-21631-4, are legacy hydraulic magnetic circuit protectors designed for reliable, low-cost power switching, circuit protection, and control. These protectors feature a lever actuator and a panel mount for easy integration into systems. The APL/UPL series is a multi-pole assembly, with this specific model having 3 poles, suitable for applications requiring protection of multiple circuits simultaneously. Upon overload, the internal mechanism trips, opening the contacts and forcibly returning the handle to the OFF position. The protector is 'trip free,' ensuring contacts do not remain closed under overload conditions, even if the handle is held ON.
These protectors were designed for industrial, military, and information processing applications where precision operation is required. Most versions are recognized by UL as supplementary protectors and certified by CSA. It is important to note that the APL/UPL series is a legacy product, and Sensata Technologies recommends the Airpax™ IAL series for new design-in applications. This product provides dependable circuit protection through its hydraulic delay mechanism.
| 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 Sensata APL111-21631-4 is a hydraulic magnetic circuit protector.
The Sensata APL111-21631-4 is designed for panel mounting.
The Sensata APL111-21631-4 has 3 poles.
The Sensata APL111-21631-4 uses a lever actuator.
Yes, the APL/UPL series, including the APL111-21631-4, is a legacy product and no new design-in orders are being accepted.
Sensata Technologies recommends utilizing the Airpax™ IAL series for new design-in applications.