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Parts, Service, Replacements
800-341-4334 Email UsFW Murphy Panel Systems

Palmer Jonson stocks a full line of Murphy panel systems for mechanical engines. Our massive inventory and authorized distributor status allows us to quote the most competitive price, and provides you with access to insider expertise and technical documentation.
TL7 / SAH Specifications
Specifications: TL7
Power Requirements
• Voltage: 12 or 24 VDC, negative ground (specify voltage).
• Current:
- Sensor switch < 60 mA
- 12 VDC, 360 mA with lamp on
- 24 VDC, 200 mA with lamp on
- 12 or 24VDC, 5 mA standby, lamp off
Outputs (see replacement lamps)
Lamp output: 120 mA @ 14.4 VDC
SAH terminal: 20 mA @ 28 VDC resistive
Enclosure: Red polycarbonate lens with aluminum retaining nut.
Temperature Range -40°F to 165°F (-40°C to 74°C).
Terminal Connections
Four tin plated 1/32 x 1/4 inch (0.8 x 6 mm) male push-on type terminal.
Mounting Hole: 1-1⁄8 in. (29 mm) diameter.
Maximum Panel Thickness: 1/4 in. (6 mm).
Specifications: SAH
Type: PIEZO electric transducer.
Operating Voltage: 6–28 VDC.
Output Level: at 28 VDC 1 meter, 90± 5 dB.
Current Drain: at 28 VDC, 20 mA MAX.
Mounting Hole: 1-1/8 in. (29 mm) diameter.
Maximum Panel Thickness: 1/8 in. (3 mm).
TL7 / SAH Overview
The Model TL7 is a panel mounted flashing alarm light and audible alarm driver. The TL7 helps protect the Murphy Swichgage contacts from the very high inrush current of the lamp. It is available in 12 or 24 VDC for negative
ground systems. The SAH Mini-Siren provides an audible alarm when fault conditions are detected by a Swichgage instrument. It can be panel mounted and operates on 6–28 VDC.
Features:
■ High Visibility Flashing Red Alarm Light or Audible Alarm
■ 12 VDC or 24 VDC
■ Panel Mount
■ All Electronic
W0156 / W0169 Specifications
Low Lube Pressure Swichgage:
0-100 psi (0-689 kPa) [0-6.89 bar].
1/8 NPT process connection.
Temperature Swichgage:
- Cylinder Head Temperature (W0156): 160-320°F (71-160°C), M10 x 1.5 process connection.
- Oil Temperature (W0169): 130-250°F (54-121°C), 1/2NPT process connection (see Murphy General Catalog for optional sizes).
- 48 in. (1.2 m) capillary.
518PH Magnetic Switch: 12 or 24 volt (specify).
W0156 / W0169 Overview
The W0156 and W0169 panel kits were developed specifically for air-cooled and liquid-cooled engines where a weather proof engine panel is required. Both kits features Swichgage® protection for low engine oil pressure and high cylinder head or high oil temperature. Shock-mounted panel bolts directly to the flywheel housing or bracket of your design.
Features:
■ Protection Against Dangerously Low Oil Pressure or High Temperature
■ Closed-loop Circuitry Ensures Proper Operation at All Times
■ Weatherproof and Shock-Mounted
■ Complete Kit Ready for Easy Installation
■ Fits Deutz FL912 and FL913 Series and Other Engines
W0162 / W0163 Specifications
- Unitized kit with all components
- Shock mounted panel fully assembled
- Closed-loop circuit
- Provision for additional Swichgage instruments, such as irrigation pump pressure
- Provision for tachometer and throttle cable
- Complete wiring harness allows easy installation
W0162 / W0163 Overview
Designed specifically for Cummins B and C-Series engines, these kits are complete with all components ready for installation. These kits include our exclusive SWICHGAGE®s for basic engine protection. A Closed-loop protective circuit is provided by Murphy 518PH magnetic switch to ensure proper operation at all times.
Features
• Unitized kit with all components
• Shock mounted panel fully assembled
• Closed-loop circuit
• Provision for additional Swichgage instruments, such as irrigation pump pressure
• Provision for tachometer and throttle cable
• Complete wiring harness allows easy installation
W0168 / W0241 Specifications
Low Lube Oil Pressure Swichgage Instrument:
0-100 psi (0-689 kPa) [0-6.89 bar]
1/8 NPT process connection
High Coolant/Oil Temperature Swichgage Instrument:
130-250°F (54-121°C)
48 in. (1.2 m) capillary
1/2 NPT process connection
518PH Magnetic Switch: 12 or 24 volt (specify)
Ammeter: 60-0-60
W0168 / W0241 Overview
The W0168 and W0241 panel kits are universal-fit instrument panels for most industrial engines. They include Swichgage protection for low engine oil pressure and high coolant or high oil temperature. These Panel Kits are similar–the W0168 has a start/stop key switch and the W0241 has a start push button.
Features:
■ Protection Against Dangerously Low Oil Pressure or High Temperature
■ Closed-loop Circuitry Ensures Proper Operation at All Times
■ Operates on 12 or 24 VDC Systems*
■ Complete Kit Ready for Easy Installation
■ Universal Mounting Panel
W0270 Specifications
- Engine oil pressure monitoring Swichgage instrument (20P-F)
- Coolant temperature monitoring Swichgage instrument (20T-F)
- Voltmeter (VM12/VM24)
- Closed-loop 518PH Magnetic Switch
- Emergency stop button (PB128S)
- Provision for throttle cable
- Provision for customer supplied key switch (loom is prewired —mount and plug-in)
- Provision for optional tachometer or hourmeter (loom is prewired)
- Provision for one additional Swichgage instrument such as irrigation pump discharge pressure monitoring
- All items prewired including tachometer or hourmeter
- Complete external wiring harness including wiring for pre-heat and shutdown solenoid
W0270 Overview
The W0270 is a compact, low profile Swichgage shutdown panel kit. It is designed to fit the following power units:
• Caterpillar 3054 and 3056
• Perkins 1004 and 1006
• Detroit Diesel 1000 Series.
A universal shock-mounted bracket allows mounting on either side of the engine, or on top, for your power unit configurations. The kit is ready for quick, easy installation with provision for installing customer supplied ignition/start key switch. All wiring is included in the panel.
This panel kit is ideal for all types of power unit applications–irrigation pumps, grain dryers, compressors, generators, etc.
WAI Specifications
- WAI-2: Completelly enclosed and with convenient under-dash mounting provides Swichgage instruments for low oil pressure and high coolant temperature; visual and audible alarms before automatic shutdown. Includes a 270°pivoting, mounting bracket.
- WAI-3: Same as WAI-2 panel with a 3rd Swichgage instrument for block coolant pressure (0-15 psi).
- WAI-4: Same as WAI-2 panel with a 3rd Swichgage instrument for transmission temperature (140-300°F).
- WAI-7: Open style panel same as WAI-2.
- WAI-8: Open style panel provides Swichgage instruments for low oil pressure, coolant pressure and high coolant temperature; visual and audible alarms before automatic shutdown.
- WAI-9: Open style panel same as WAI-8 with transmission temperature Swichgage instrument instead of coolant pressure.
- WAI-271: Open style panel similar to WAI-7 but for alarm-only.
WAI Overview
WAI Series Murphy panels offer engine protection for on and off road mobile equipment. You get accurate engine readings and timedelayed automatic shutdowns. Flashing light and mini-siren signal a warning before the shutdown. Alarm-only panels (without shutdown capabilities) are also available.
WAI panels are easy to install and function test without the need for expensive auxiliary equipment. Each is a cost competitive and effective system for engine protection.
WD100 Specifications
Standard Swichgage ranges*:
Pressure: 0-100 psi (0-689 kPa) [0-6.89 bar]
Temperature: 100-250°F (37-121°C)
*Other ranges are available on request.
WD100 Overview
The WD100 Series Swichgage kits provide engine monitoring that shuts down farm, construction, or other engine powered equipment, when dangerous pressures or temperatures occur. The control center for each of these kits is the compact and adjustable, Universal Mounting Panel. This panel holds two Swichgage(s) and a Tattletale® magnetic switch, and shut down device where appropriate.
WD300 Specifications
Low Lube Oil Pressure SWICHGAGE®:
0-100 psi (0-689 kPa) [0-6.89 bar]
1/8 NPT process connection
High Coolant SWICHGAGE®:
130-250°F (54-121°C)
48 in. (1.2 m) capillary
1/2 NPT process connection
117PH Magnetic Switch
SV Series Solenoid Fuel Shutoff Valve: 12 or 24 volt (specify)
WD300 Overview
WD300 Series
The universally applicable WD300 Series panels are the ideal control solution for a wide variety of diesel engines without shutdown solenoid in the injection pump. The standard WD300 Series panel includes basic engine protection for low oil pressure and high coolant temperature. It also includes Murphy’s SV Series solenoid fuel shut-off valve, (see bulletin SV-99026B).
WD300LV Models
For engines that have the fuel shutoff solenoid built into the injection pump. This model is also applicable to battery ignition engines.
Panel Kits Include:
• Low lube oil pressure Swichgage instrument
• High coolant/temperature Swichgage instrument
• 117PH magnetic switch
• SV Series solenoid fuel shutoff valve
• PB128S emergency stop push button
WDU Specifications
Voltage: 12 VDC
WDU Overview
Features
■ Oil Pressure Gage: 0-80 PSI (0-500 kPa)
■ Engine Temperature Gage: 140-300 °F (60-150 °C)
■ Volt Meter (8-18 VDC)
■ Tachometer/Hourmeter (0-4000 RPM)
■ Key Switch (Heavy Duty)
■ Engine Preheat with Red Indicator Lamp
■ Murphy 760A Safety Shutdown (Automatic Time Delayed for Start-up)
■ Panel Mount Fuse
■ Recessed and Protected Front Panel
■ Durable Powder Coat
WHB Specifications
Low Lube Oil Pressure Swichgage instrument:
0-100 psi (0-689 kPa) [0-6.89 bar]
1/8 NPT process connection
High Coolant/Oil Temperature Swichgage instrument:
130-250°F (54-121°C)
48 in. (1.2 m) capillary
1/2 NPT process connection
Ammeter: 60-0-60
Shipping Weight: 8 lbs. 8 ozs. (3.9 kgs.)
Shipping Dimensions: 9.5 x 9 x 5 in. (241 x 229 x 127 mm)
WHB Overview
The WHB Series open type panels are the industry standard for High Plains irrigation engines. These panels bolt directly to the engine flywheel housing. They include Swichgage protection for low engine oil pressure and high coolant or high oil temperature, and have provision to add an additional Swichgage instruments, such as pump discharge pressure, voltage regulator, throttle cable, and start button or switch.
Features:
■ Ideal for High Plains Irrigation Engines
■ Mounts Directly to Engine Flywheel Housing
■ Swichgage Instruments for Low Oil Pressure, High Coolant Temperature and Ammeter
■ Provision for Additional Instruments