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• For use on Siemens ultimate and Murray rock solid load centers, 150 Amp and higher, to connect the main breaker to a 2-pole circuit breaker
• Works for utility main breaker types MBK150A, MBK200A or MBK225A
• Standby main breaker types QP, QPH, HQPH accepted
• Manual transfer interlock kits convert load center or meter combination into standby power panels, corrosion resistant finish, this product is UL listed for use in most Siemens load centers and meter combinations
• Unit is suitable for use with optional standby systems in accordance with article 702 of the NEC