Heavy Duty CB Module, 150A705 Contour Circuit Breaker HD allows switchable protection for heavy duty circuits like Windlasses or Davit winches utilizing Bussmann Heavy Duty thermal circuit breakers.Modular sizing with contour lock moulding allows easy groupingLED to indicate circuit is onWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.