**Normally Opened terminal is available on the 518APH & 518E models. With terminal “G” grounded, the time delay operates only on start; after the initial time delay, the shut-down circuit is operated immediately when SWICHGAGE® contact operates. With terminal “G” not grounded, the time delay operates both on start and stop.
**Normally Opened terminal is available on the 518APH model. time delay, the shut-down circuit is operated immediately when SWICHGAGE® contact operates. With terminal “G” not grounded, the time delay operates both on start and stop.
For electric motor application, various magnetic switches are available to operate the motor starter, holding coil directly or in conjunction with appropriate Murphy Transformer-Relay assembly. Please read the following information before installing. A visual inspection of this product for damage during shipping is recommended before mounting.
select appropriate circuit and wire accordingly. IF OPTIONAL TACH AND/OR HOURMETER is USED, INSTALL FLYBACK DIODES AS SHOWN TO REDUCE THE POTENTIAL OF VOLTAGE SPIKES DAMAGING SOUD STATE COMPONENTS.
**Normally Opened terminal is available on the 518APH model. time delay, the shut-down circuit is operated immediately when SWICHGAGE® contact operates. With terminal “G” not grounded, the time delay operates both on start and stop.
Check for correct/complete wiring, unbroken insulation and no accidental grounds. DO NOT run shut-down wires with ignition wiring. Check all tubing and connections for leaks. Mount Magnetic Switches and valves upright, to prevent moisture collection.