Murphy Engine Protection

Murphy switch gauges mounted on a stainless steel panel inside a weatherproof housing for MECHANICAL engines.

Murphy swichgages mounted on stainless steel panel inside a weatherproof housing for MECHANICAL engines.

Murphy switch gauges mounted on a stainless steel panel inside a weatherproof housing for MECHANICAL engines.

Murphy switch gauges mounted on a stainless steel panel inside a weatherproof housing for MECHANICAL engines.

Murphy electric temperature swichgage. 12 VDC, Optional 24 VDC converter available. Senders must be ordered seperately on the "View more/Buy now" page. Delivery is usually 5 to 7 days from order

The 2" Murphy pressure swichgage is a combination gauge and switch for alarm and/or shutdown of equipment when pre-set limits are reached.
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The 2" Murphy pressure swichgage® is a combination gauge and Hi/Lo switches for alarm and/or shutdown of equipment when pre-set limits are reached.
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LM302 Level Maintainer automatically adds oil to the crankcase as needed to keep the lube level normal. This model has 2 DPST switches for alarm or shutdown.
***Special Nett price***only while stocks last

The Murphy 20 Series (2 inch/51 mm dial) swichgage® models are diaphragm-actuated, temperature-indicating gages, with built-in electrical switches for tripping alarms and/or shutdown devices.
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The L150 Series Level Swichgage instrument is a combination liquid level gauge and low limit switch; each unit includes a chamber with pivotal float, an indicating dial with pointer, and a low level contact. When properly installed and maintained, the float operates the pointer which, in turn, both indicates level during normal operation, and closes a switching circuit if the level falls to the low-limit set point.

Tattletale annunciators and magnetic switches are the nerve centers that translate swichgage contact operations into decisions and operate the alarm or shutdown device.

Tattletale annunciators and magnetic switches are the nerve centers that translate swichgage contact operations into decisions and operate the alarm or shutdown device.

The 2" Murphy differential pressure swichgage is a combination gauge and switch for alarm and/or shutdown of equipment when pre-set limits are reached.

Tattletale annunciators and magnetic switches are the nerve centers that translate swichgage contact operations into decisions and operate the alarm or shutdown device.

Ideal for use on engines, pumps, compressors, heat exchangers and pumping units, the VS2 Series can be used anywhere shutdown protection from damaging shock/vibration is desired. Switches are field adjustable to sensitivity required in each application.

Ideal for use on engines, pumps, compressors, heat exchangers and pumping units, the VS2 Series can be used anywhere shutdown protection from damaging shock/vibration is desired. Switches are field adjustable to sensitivity required in each application.

The 2" Murphy differential pressure swichgage is a combination gauge and switch for alarm and/or shutdown of equipment when pre-set limits are reached.

The SV-12 valve operates on 12VDC, has a ¼ NPT inlet and outlet, and a full 3/16" (5 mm) orifice.

The SV-24 valve operates on 24VDC, has a ¼ NPT inlet and outlet, and a full 3/16" (5 mm) orifice.

Murphy push/pull DC Solenoids provide single unit versatility for engine applications, such as shutdown. A choice of two models and two voltages is available. All models come complete with return spring and rubber seal boot.
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Murphy electric temperature gauge. 12 VDC, Optional 24 VDC converter available. Senders must be ordered seperately on the "View more/Buy now" page. Delivery is usually 5 to 7 days from order

Murphy push/pull DC Solenoids provide single unit versatility for engine applications, such as shutdown. A choice of two models and two voltages is available. All models come complete with return spring and rubber seal boot.
Select View more/Buy now to select model and update prices.

Murphy electric voltage gauge. Range 16 to 32 VDC for 24 V systems

The DPM 942-FPSI is a 3 ½ digit LCD current loop meter that can also be used for dual colour go-stop status indication.