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GM156 DIN RAIL REPEAT START TIMER

The GM156 DIN RAIL REPEAT START TIMER is a low cost printed circuit board (PCB) assembly designed for panel mounting in ‘prime mover’ applications. On application of a supply voltage, an internal relay energizes for a preset cranking time. Should the engine fail to start, the timer pauses for an equal period then provides a further cranking signal. If after three attempts at starting. The engine still fails to come up to speed, a failed to start relay is energized, and no further cranking can be made until the unit is reset by breaking the supply voltage. The unit must be re-energized when the engine comes up to speed.

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INTRODUCTION

The GM156 DIN RAIL REPEAT START TIMER is a low cost printed circuit board (PCB) assembly designed for panel mounting in ‘prime mover’ applications. On application of a supply voltage, an internal relay energizes for a preset cranking time. Should the engine fail to start, the timer pauses for an equal period then provides a further cranking signal. If after three attempts at starting. The engine still fails to come up to speed, a failed to start relay is energized, and no further cranking can be made until the unit is reset by breaking the supply voltage. The unit must be re-energized when the engine comes up to speed.

NOTE: The GM156 is one of a range of low cost PCB assemblies designed for OEMs to assemble their own control cubicles for use with automatic standby diesel generator sets and fire pumps etc.

SPECIFICATIONS

Supply voltage: 12 or 24V DC (specify when ordering)
Timer: 4 to 20 seconds
Cycles: 3
On/off ratio: 1 to 1
Relay contacts: 1 isolated N/O contact on crank relay
1 N/O and N/C contact on failed to start relay
Contact rating: 10A resistive crank relay
5A inductive crank relay
5A resistive fail to start
2.5A inductive fail to start

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