About the 0-51874-1
0-51874-1 SSCA Static Sequence Card Module
The 0-51874-1 is a PCB component fabricated by Reliance. It is typically used within Reliance drives. In certain cases, this board component may come from manufacturers like Asea Brown Boveri or Baldor-Reliance. The 51874-1 number will be reflected in the part id.
The 0-51874-1 is a Static Sequence Module. It includes a faceplate attached to a circuit board. These two components connect via three screws threaded from the bottom of the circuit board. The faceplate has a single LED indicator with the notation that “1 S Relay is energized when light is on” located directly underneath it. The faceplate also has a six-position terminal strip located on its bottom right edge. This is covered by its own smaller cover by two screws.
The 0-51874-1 does not have reference designators next to components. The board is marked with a grid. Components include eight integrated circuits, two relays mounted to metal frames that use two screws each to secure themselves to the PCB, diodes, transistors, surface wiring, capacitors of various materials, and resistors. Both metal film and carbon composite resistors are used. The terminal strip in the faceplate wires to the relays using yellow and black surface wiring. The rear edge of the board extends in a conductive tail that acts as a backplane.
Installation and operation instructions can be found through publications like user guides, data sheets, and manuals from Reliance Electric. As a static-sensitive component, the 0-51874-1 will ship from our North Carolina facility wrapped in an anti-static product and carefully boxed to protect it during transit.
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