BA1-B2-52-625-121-D
Littelfuse Inc.
The Littelfuse Inc. BA1-B2-52-625-121-D is a magnetic (hydraulic delay) circuit breaker. It features a 25A current rating and a 277V voltage rating.
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The Sensata APL/UPL series APL1-1-62-253-A is a hydraulic magnetic circuit protector designed for reliable power switching and circuit control. This single-pole unit offers a current rating of 25A and a voltage rating of 277V.
It functions similarly to an ON-OFF switch, opening the circuit under normal load conditions. Upon detecting an overload, the internal mechanism trips, forcibly returning the handle to the OFF position. The protector is "trip free," meaning the contacts will not remain closed during an overload, even if the handle is held in the ON position.
This model features a lever actuator and is designed for panel mounting. The APL/UPL series is suitable for industrial, military, and information processing applications where precision operation is required. It is recognized by UL and certified by CSA as a supplementary protector.
IMPORTANT NOTICE: The APL/UPL is a legacy product and no new design-in orders are being accepted. 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 current rating is 25A.
The voltage rating is 277V.
It is a single-pole (1-pole) circuit breaker.
It is a Magnetic (Hydraulic Delay) type breaker.
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.
