Swichgage® Shutdown Panels for
Mobile Equipment of All Kinds
WAI-94032B
Revised 05-06
Catalog Section 30
WAI Series
■
Get the Same Original Equipment
Specified by Major OEM’s
■
SwichgageInstruments Include
Built-in Light Pipe Illumination
WAI-271
■
■
Prewired and Ready to Install
Alarm Only Model Saves Money on
Applications Not Requiring Shutdown
■
Available for 12 or 24 Volts
WAI-8
Description
Models Available
Application
WAI Series Murphy panels offer engine pro-
tection for on and off road mobile equipment.
WAI-2: Completelly enclosed and with con- Trucks, buses, fork lifts, loaders, earth-
venient 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.
movers–any engine powered mobile unit,
such as delivery vans, farm and construction
equipment, street sweepers.
You get accurate engine readings and time-
delayed automatic shutdowns. Flashing light
and mini-siren signal a warning before the
shutdown. Alarm-only panels (without shut-
down capabilities) are also available.
Warranty
WAI-3: Same as WAI-2 panel with a 3rd
Swichgage instrument for block coolant
pressure (0-15 psi).
A limited warranty on materials and workmanship
is given with this FW Murphy product. A copy of
the warranty may be viewed or printed by going to
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.
WAI-4: Same as WAI-2 panel with a 3rd
Swichgage instrument for transmission tem-
perature (140-300°F).
WAI-7: Open style panel same as WAI-2.
The WAI Series Panels are complete diagnos-
tic, engine-protection systems. Any vehicle or
engine can be monitored and in case of poten-
tially damaging conditions an alarm will oper-
ate before the engine is shut down. WAI Panels
feature direct-reading, mechanical Swichgage
instruments (gauge and limit switch in one)
and Selectronic relays and alarms. Swichgage
instruments are internally lighted for night illu-
mination.
WAI-8: Open style panel provides
Swichgage instruments for low oil pressure,
coolant pressure and high coolant tempera-
ture; visual and audible alarms before auto-
matic 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-94032B page 1 of 4
WAI-271
•
Alarm-Only, Open Style Panel
• Oil Pressure Swichgage instrument
• Coolant Temperature* Swichgage instrument
• Mini-siren
• TL7, Flasher Alarm Light
• Available for 12 VDC or 24 VDC
*Temperature capillary length is standard 6 ft. (1.8 m). Specify longer lengths.
How to Order
Order by using the model number
(also see the quick reference guide below):
WAI-2
WAI-3
WAI-4
WAI-7
WAI-8
WAI-9
WAI-271
STANDARD PANEL ASSEMBLIES AND KITS ~ QUICK REFERENCE GUIDE
Options like 24 VDC, special capillary length,
delay time, etc, can be specified.
WAI2 WAI3 WAI4 WAI7 WAI8 WAI9
Enclosed, easy-mount panel
Open, easy-mount panel
®
201P-1-75 Engine oil pressure SWICHGAGE
®
202T-1-220 Engine coolant temperature SWICHGAGE (6 ft. [1.83 m] capillary)
®
202P-1-15 Engine coolant pressure SWICHGAGE
®
203T-1-300 Transmission temperature SWICHGAGE (6 ft. [1.83 m]) warning-only
®
760AF SELECTRONIC relay (30 second time delay, 12V)
®
TL7 SELECTRONIC flashing alarm (12V, negative ground)
TL2 and FL3 alarm light
SAH MINI-SIREN®
Diode 65010098, isolates transmission temperature for warning-only
WAI-94032B page 3 of 4
Typical Dimensions
7-3/8 in.
(187 mm)
WAI-7
WAI-2
6-7/32 in.
(158 mm)
8-31/64 in.
(216 mm)
8-1/64 in.
(203 mm)
4-9/16 in.
(116 mm)
5-57/64 in.
(149 mm)
1-1/16 in.
(27 mm)
213/16 in.
(71 mm)
9/16 in.
(14 mm)
2x 9/32 in. (7 mm) dia.
2x 5/16 in. (8 mm) slot
15/32 in.
(12 mm)
3-43/64 in.
(93 mm)
3-29/64 in.
(88 mm)
3-3/16 in.
(81 mm)
F
P.S.I.
F
P.S.I.
1-21/32 in.
(42 mm)
26 in. long
(660 mm)
NOTE: Process Connection on pressure
SWICHGAGE® is 1/8-27 NPT
5/8-18 UNF
WAI-8 / WAI-9
9-7/8 in.
(251 mm)
1-1/2 in.
(38 mm)
11/32 in.
(9 mm) Diameter
8-23/64 in.
(221 mm)
1/2-14 NPT
4-9/16 in.
(116 mm)
WAI-3 / WAI-4
1-1/16 in.
(27 mm)
10-63/64 in.
(279 mm)
9/16 in.
(14 mm)
10-33/64 in.
(267 mm)
2x 5/16 in. (8 mm) slot
8-25/64 in. (213 mm)
15/32 in.
(12 mm)
2x 9/32 in. (7 mm) dia.
3-43/64 in.
(93 mm)
3-3/16 in.
(81 mm)
F
P.S.I.
F
P.S.I.
WAI-271
8-7/16 in.
(214 mm)
1-1/16 in.
(27 mm)
7-3/8 in.
(187 mm)
9/16 in.
(14 mm)
1-21/32 in.
(42 mm)
26 in. long
(660 mm)
NOTE: Process Connection on pressure
SWICHGAGE® is 1/8-27 NPT
2x 5/16 in. (8 mm) slot
5/8-18 UNF
15/32 in.
(12 mm)
1-1/2 in.
(38 mm)
11/32 in.
(9 mm) Diameter
1/2-14 NPT
3-3/4 in.
(95 mm)
F
P.S.I.
In order to consistently bring you the highest quality, full featured products, we reserve the right to change our
specifications and designs at any time. MURPHY, the Murphy logo, and Swichgage® are registered and/or com-
mon law trademarks of Murphy Industries, Inc. This document, including textual matter and illustrations, is copy-
right protected by Murphy Industries, Inc., with all rights reserved. (c) 2006 Murphy Industries, Inc.
www.fwmurphy.com
9 1 8 .3 1 7 .4 1 0 0 Email: sales@fwmurphy.com
In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time.
Printed in U.S.A.
WAI-94032B page 4 of 4
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