AA2-B0-34-650-521-C
Littelfuse Inc.
The Littelfuse Inc. AA2-B0-34-650-521-C is a 2-pole circuit breaker. It features a 50A current rating and a 277V voltage rating.
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The Sensata APL11-1-66-503 is a hydraulic magnetic circuit breaker from the APL/UPL series, designed for reliable circuit protection and control. This model is rated for 50 Amps and 277 Volts, with a 2-pole configuration.
It features a lever actuator for manual operation and is designed for panel mounting, making it suitable for industrial, military, and information processing applications where precision operation is required. The breaker is trip-free, ensuring that the internal contacts cannot be held closed during an overload condition, even if the handle is manually held in the ON position.
This legacy product is recognized by UL per UL STD. 1077 as a supplementary protector and certified by CSA per CSA STD. C22.2–No. 235. Note that this is an 'Existing Design-In Only' product, and new design-in orders are not accepted.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The APL11-1-66-503 circuit breaker has a current rating of 50A.
The voltage rating for the APL11-1-66-503 is 277V.
The APL11-1-66-503 has 2 poles.
The APL11-1-66-503 is a magnetic hydraulic delay circuit breaker.
The APL11-1-66-503 is designed for panel mounting.