AB2-B0-20-620-3B1-C
Littelfuse Inc.
The Littelfuse Inc. AB2-B0-20-620-3B1-C is a 2-pole magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
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The Sensata APL11-1-51-203 is a hydraulic magnetic circuit breaker designed for reliable power switching and circuit protection. This 2-pole unit offers a 20A current rating and a 277V voltage rating, making it suitable for various industrial applications.
Featuring a lever actuator for manual operation, this circuit breaker is designed for panel mounting, ensuring secure installation in control panels and equipment. The hydraulic delay mechanism provides precise overload protection, tripping the circuit to prevent damage without allowing the handle to be held closed under fault conditions.
This APL/UPL series breaker is recognized by UL and certified by CSA as a supplementary protector. It is a legacy product, and while no new design-ins are accepted, it remains a reliable component for existing systems requiring precise operation. For new designs, Sensata recommends the Airpax™ IAL series.
Key specifications include a 20A current rating, 277V voltage rating, 2 poles, and a panel mount type. The magnetic-hydraulic delay offers dependable circuit control.
| 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 APL11-1-51-203 circuit breaker has a current rating of 20A.
The voltage rating for the Sensata APL11-1-51-203 circuit breaker is 277V.
The Sensata APL11-1-51-203 circuit breaker has 2 poles.
The Sensata APL11-1-51-203 circuit breaker uses a lever actuator.
The Sensata APL11-1-51-203 circuit breaker is designed for panel mounting.
The APL11-1-51-203 is a Magnetic (Hydraulic Delay) type circuit breaker.