The 1112PSM is a plug-in power supply module used with the 1112PS rack mount power supply. Each module is capable of delivering up to 37 Amps of 12V DC power. Two 1112PSM modules can be used in a 1112PS for redundant operation. When used in this configuration, both supplies share the load placed on the unit. If either module fails, the load is transferred to the remaining good supply and a fault indication is displayed. Each 1112PSM contains a built-in cooling fan with internal speed control for optimal cooling. Operation of the fan is monitored and a fault is reported should in the event of a fan failure. Three status LED’s are located on the rear of the module to provide a visual indication of the AC input, DC output, and fault status.
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