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300 kVA 4160-600V Mine Power Center
This Mine Power Center is a fully reconditioned unit substation that has been "lightly used" and rebuilt to the original specs. It is built to CSA standards and meets or exceeds all electrical and mining code requirements. There is a full 1 year/18 month warranty against materials and manufacturing defects on this unit the same as a brand new substation warranty.
This Unit Sub consists of a robust, skid-mounted NEMA 3 weatherproof enclosure which houses an incoming 5kV fused load break switch, a fan-cooled 300 kVA transformer, a 600V distribution section and a control section. A neutral grounding resistor monitor, and transformer winding temperature controller protect the transformer from potential damage caused by faults and overloads in the downstream distribution system.
A 600-120V PT supplies the control power for indication, protection and control while a 10 kVA 1 phase 600-120/240V transformer supplies the power for cooling fans and receptacles. The 600V distribution system consists of 3 combination motor starters c/w 225A shunt trip circuit breakers with ground-fault ground-check relays and CTs. Outgoing 600V circuits can be hard-wired or receptacles can be added for plug and play operation.
Kirk Key interlocks, lockout provisions and all the required danger and warning labels are just some of the standard safety features that are built into this unit substation.