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Thermal AC/DC Circuit Breakers are constructed of molded Bakelite with stamped brass contacts. Used to protect an electrical circuit from damage caused by excess current. These push-to-reset circuit breakers are an economical alternative to magnetic breakers. Quick connect terminal style breakers are vibration and shock resistant. An alternative to fuses; they have the advantage of being resettable after tripping. Panel mounted compact design. Optional Thermal Breaker Boot (420839) provides additional protection in wet environments. 4-35A @ 125-250VAC. 32VDC.