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The Sensata APL/UPL series, including the APL111-21631-2, are hydraulic magnetic circuit protectors designed for reliable power switching, circuit protection, and control. These devices function similarly to an ON-OFF switch but feature an internal mechanism that trips and opens contacts upon overload, even if the handle is held in the ON position, ensuring protection.
This specific model, APL111-21631-2, is a 3-pole unit with a lever actuator and is designed for panel mounting. It is part of a legacy product line, and new design-in orders are not being accepted. Sensata Technologies recommends the Airpax™ IAL series as a suitable alternative for new designs.
While detailed specifications for this legacy part are best confirmed via the datasheet, it is recognized by UL per UL STD. 1077 as a supplementary protector and certified by CSA per CSA STD. C22.2–No. 235. The APL/UPL line offers various configurations, including series, shunt, and relay types with different delays and ratings, and multi-pole assemblies can accommodate a mix of these options.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
Panel Mount
Lever
3
Magnetic (Hydraulic Delay)
RoHS3 Compliant
REACH Unaffected