Home » Interface Controllers   PRSU/4 Control Unit Details  Single zone controller with automatic or manual reset. DIN rail mounting. 24 VAC or VDC operation. Price: 197.00 PSSU/1 Control Unit Details  Single zone controller with remote manual reset. DIN rail mounting. 120/240 VAC, 50/60 Hz operation. Price: 440.50 PRSU/5 Control Unit Details  Single zone controller with automatic or manual reset. DIN rail mounting. 115 VAC operation. Price: 197.00 PSSU/2 Control Unit Details  Single zone controller with remote manual reset. DIN rail mounting. 24 VDC operation. Price: 440.50 PSSU/3 Control Unit Details  Single zone controller with remote manual reset. Wall mounting. 110/240 VAC, 50/60 Hz operation. Price: 480.75 PSSU/4 Control Unit Details  Single zone controller with remote manual reset. Wall mounting. 24 VDC operation. Price: 480.75 PSSU/A Control Unit Details  Single zone controller with auto reset. DIN rail mounting. 110/240 VAC, 50/60 Hz operation. Price: 480.75 PSSU/A2 Control Unit Details  Single zone controller with auto reset. DIN rail mounting. 24 VDC operation. Price: 480.75 PSCU/1 Control Unit Details  Single zone controller for low risk applications. Auto and remote manual reset options. DIN rail mounting. 110/240 VAC, 50/60 Hz operation. Price: 329.50 PSCU/2 Control Unit Details  Single zone controller for low risk applications. Auto and remote manual reset options. 11-pin plug-in mounting. 24 VDC operation. Relay Base: Please Select...Relay Base for PSCU/2 ($15.25) Price: 197.50 Relay Base for PSCU/2 Details  Mounting accessory for the PSCU/2 Controller. Accommodates the 11-pin plug-in mounting arrangement of this controller. Price: 16.75