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Operation
A Murphy SWICHGAGE
®
* constantly monitors
pressure, level, temperature or load. Adjustable high
and low contacts on SWICHGAGE
®
are set slightly
above and below desired operating point. When
demand changes, pointer touches appropriate high
or low contact and signals speed change.
AT03069 controller responds only so long as con-
tact is made. The controller stops immediately when
contacts separate. Slow, smooth action prevents
“hunting” or “surging” on normal applications.
*Mercury tube or snap-action switches are not suitable for this
type control. For more information, recommendations and
quotations contact our engineering dept.
How to Order
AT03069
3-3/4 in.
(95 mm)
12-1/4 in.
(311 mm)
5-1/8 in.
(130 mm)
5-7/8 in.
(149 mm)
3-5/8 in.
(92 mm)
4-3/4 in.
(121 mm)
7/8 in.
(22 mm)
5-1/2 in.
(140 mm)
15 in.
(381 mm)
6-3/4 in.
(171 mm)
Dimensions Typical Wiring
1
Battery
AT03069
SWICHGAGE
®
2 3
4
CONTROL SYSTEMS & SERVICES DIVISION
P.O. Box 1819; Rosenberg, Texas 77471; USA
+1 281 633 4500 fax+1 281 633 4588
e-mailsales@fwmurphy.com
MURPHY DE MEXICO, S.A. DE C.V.
Blvd. Antonio Rocha Cordero 300, Fracción del Aguaje
San Luis Potosí, S.L.P.; México 78384
+52 444 8206264 fax +52 444 8206336
Villahermosa Office +52 993 3162117
e-mailventas@murphymex.com.mx
www.murphymex.com.mx
FRANK W. MURPHY, LTD.
Church Rd.; Laverstock, Salisbury SP1 1QZ; U.K.
+44 1722 410055 fax+44 1722 410088
e-mailsales@fwmurphy.co.uk
www.fwmurphy.co.uk
MURPHY SWITCH OF CALIFORNIA
41343 12th Street West
Palmdale, California 93551-1442; USA
+1 661 272 4700 fax+1 661 947 7570
e-mailsales@murphyswitch.com
www.murphyswitch.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.
MACQUARRIE CORPORATION
1620 Hume Highway
Campbellfield, Vic 3061; Australia
+61 3 9358 5555 fax+61 3 9358 5558
e-mailmurphy@macquarrie.com.au
FW Murphy
P.O. Box 470248
Tulsa, Oklahoma 74147 USA
+1 918 317 4100
fax +1 918 317 4266
e-mail sales@fwmurphy.com
www.fwmurphy.com
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USA–ISO 9001:2000 FM 28221
UK–ISO 9001:2000 FM 29422
Printed in U.S.A.