Middle Atlantic MPR-SEQ-1CA MPR Sequencing ControllerThe Middle Atlantic MPR SEQ 1CA MPR Sequencing Controller offers six step sequencing provided by rackmount USC 6R sequencer. Provides sequencing to any AC power distribution system that can be controlled by low voltage switch closure. Sequencing may be initiated locally via convenient front panel switch or by any momentary contact closure switch (single pole, double throw, center off). Remote switches are also available. The single rackspace USC 6R