ST CLB Circuit Breaker Block - 12 PositionFeaturesQuick connect clips allow circuit breakers to snap easily into placeTin-plated copper busses and screw terminalsClear insulating cover with square format label recesses, satisfies ABYC/USCG insulation requirementsEasy to open clip on coverBreakouts allow wire access in two directionsAccepts ring terminalsOptional push button waterproof boots or dress nuts can be installed over coverSpecifications:Circuits: 12Maximum Amperage: 32A (per circuit) 40A (per jumped circuit group)Maximum Voltage: 32V DCMounting: #8 Screw (M4) or #8 NutSource: Independent SourceMinimum Operating Temperature: -10deg CMaximum Operating Temperature: 60deg CMounting Centers: 10.13(257.3 mm)Screw Terminal Type: #8-32 Screws with Captive Star Lock WasherHeight: 6.69(169.93 mm)Weight: 1.50lb (0.68 kg)WARNING: 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.