ST CLB Circuit Breaker Block 12 Position. Features. Quick connect clips allow circuit breakers to snap easily into place. Tin-plated copper busses and screw terminals. Clear insulating cover with square format label recesses, satisfies ABYC/USCG insulation requirements. Easy to open clip on cover. Breakouts allow wire access in two directions. Accepts ring terminals. Optional push button waterproof boots or dress nuts can be installed over cover. Specifications Circuits 12. Maximum Amperage 32A per circuit 40A per jumped circuit group . Maximum Voltage 32V DC. Mounting #8 Screw M4 or #8 Nut. Source Independent SourceMinimum Operating Temperature 10 degrees C. Maximum Operating Temperature 60 degrees C. Mounting Centers 10.13 257.3 mm . Screw Terminal Type #8-32 Screws with Captive Star Lock Washer. Height 6.69 169.93 mm . Weight 1.50lb 0.68 kg Features. Quick connect clips allow circuit breakers to snap easily into place Easy to open clip on cover. Breakouts allow wire access in two directions Specifications Circuits 12 Maximum Amperage 32A per circuit 40A per jumped circuit group