What is the difference between the A201K2BA and other Eaton breakers?

The A201K2BA is a single-pole, 20A thermal-magnetic breaker rated for 125V. It's designed for standard residential/light commercial panels and is compatible with Eaton BR and CH enclosures.

Can I use this breaker in a 240V panel?

No. The A201K2BA is specifically rated for 125V AC circuits only. Using it in higher voltage applications will damage the breaker and create a safety hazard.

What does 10,000 AIC mean?

AIC (Amperes Interrupting Capacity) indicates the maximum short-circuit current the breaker can safely interrupt without damage. 10,000 AIC is suitable for most residential/light commercial installations.

Is this breaker UL listed?

Yes, the A201K2BA is UL 489 listed and meets applicable electrical codes for residential and commercial use.

What is the thermal-magnetic trip mechanism?

Thermal mechanism responds to sustained overloads (slower); magnetic mechanism provides instantaneous protection against short circuits. This dual protection ensures safe operation under various fault conditions.

Can this breaker be used as a disconnect?

No. Circuit breakers are not rated as disconnecting means. Use a separate disconnect switch where required by code.

What is the typical lifespan of this breaker?

With proper installation and maintenance, thermal-magnetic breakers typically last 30-40 years. However, they should be tested regularly and replaced if they fail to trip reliably.