Thermal-Magnetic
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Filter in catalog →Frequently asked questions
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.