About the 0-54374
The 0-54374 is an NSNP circuit board by Reliance Electric. This circuit board is relatively small. The circuit board has a sixteen-port connection terminal along the bottom of the circuit board.
Below the connection terminal etched into the circuit board it says “DANGER: circuits on this card may be main energized with main power off. Use yel. Wire and separate disconnect if req’d.” On top of the connection terminal, there is another warning label and says “DANGER: control circuit yellow wiring is energized with disconnect open”, then states the same warning in another language.
The circuit board has six large black relays. Each relay has its abilities marked into the top. The relays are also outlined in a white box on the circuit board and they are labeled 1 RLY, 2 RLY, 3 RLY, 4 RLY, 5 RLY, and 6 RLY. There are two large black resistors on the left edge of the circuit board next to relay five and relay six.
There are eight small metal pins at the top edge of the circuit board. Each metal pin is encased on a white circle on the surface of the circuit board and labeled with a set of numbers either above, below or to the side of the metal pin, depending on where it is in the lineup. The circuit board also has four holes with a metal tube placed in the hole to allow for secure installation of the circuit board.
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