Specifications

Engine Protection 65
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Switches |
TATTLETALE
®
Magnetic Switches are the nerve centers
that translate SWICHGAGE
®
contact operations into
decisions and operate the alarm or shutdown device.
They are the electrical load carrying devices for the
alarm or shutdown device. TATTLETALE
®
annunciators
indicate which monitored function failed leading to the
alarm or shutdown whereas magnetic switches do not.
Magnetic switches operate basically as a latching relay.
24T
15T
117 is used to shutdown 12V through 32V distributor
ignition or diesel engines. Breaks circuit when tripped.
Opens distributor coil circuit or power circuit to diesel
run device (NC contacts). Automatically disconnects
from battery after trip. Contacts 10 AMPS 32V DC,
14 AMP fuse. Comes with reset button, and is used
on the WD300 Series shutdown panels.
E65300 (117) Switch 12/24V ....................$59.95
MS2110 is a multi-purpose TATTLETALE switch with
dry contacts that can be used to make two circuits
and break another when tripped. Operates from 12 or
24V DC or 24V AC. The operating coil is intermittent
duty and must be disconnected by an external circuit
when tripped. The MS2110 is a replacement for the
221PH, 169PH, 274 and 274PH.
E65390 (MS2110) Switch 12/24V ...............$59.95
518APH allows for SWICHGAGE
®
and/or NC
contacts to be wired “closed loop” (in series). Any
contact open or SWICHGAGE
®
contact closed in the
circuit shunt trips the 518APH. Specify 12 or 24V DC.
Contacts 10 AMP 24V, 14 AMP fuse.
E65330 (518APH-12V) Switch 12V ..........$77.95
E65340 (518APH-24V) Switch 24V ..........$77.95
760A/761APH used for distributor ignition or diesel.
Time delay lockout of SWICHGAGE
®
contacts on
start-up only; customer wired for delayed or immedi-
ate trip on shutdown. Breaks and makes contacts
when tripped. Resets automatically when power is
removed. Must specify 12 or 24V DC, negative or
positive ground and length of time delay. 30 second
(standard) delay. Contacts 10 AMPS 24V, 14 AMP
fuse. 761APH has manual reset.
E65360 (760A-30-12N) Switch 12V ....... $139.95
E65370 (760A-30-24N) Switch 24V ....... $139.95
E65380 (761APH-30-12) Switch 12V .... $129.95
with manual reset
117 |
518APH |
TATTLETALE
®
Magnetic Switches |
Nerve Centers for Murphy
SWICHGAGE
®
Instruments
and Automation Systems
3 Spring Wound, No Electric
Power Required
3 Precision Movement Can Be
Set to Zero at Any Time
3 Built-in Stop Prevents
Over Winding
Time switches can automatically start or stop engines
or electrical motors at a predetermined time. These
switches can be wired for normally open or closed
circuit when time expires, and feature a precision
movement that gives years of reliable service. A
built-in stop prevents over winding. Murphy Time
Switches are designed for use in the oil eld, irrigation
systems or anywhere equipment must operate or be
controlled by a predetermined time.
Time Switches |
15T 15 minute timers mount directly in control panels
for short range timing with manual reset. These
switches are perfect for disconnecting shutdown
circuits while equipment is being started. 3 ¼” dial,
2 7/16” mounting hole
E80550 (15T) 15 Minute Timer ................. $143.95
24T time switches are enclosed in a NEMA 4
weatherproof enclosure. A hinged, gasketed cover
and ½” NPT conduit connection allow for a dust-tight
installation. The enclosure includes a clasp and
eye for padlock, to prevent unauthorized operation.
Instructions for popular engine applications are
secured inside the lid. Dimensions: 5 5/16” x 8 3/8”
E80540 (24T) 24 Hour Timer .................... $335.95
Magnetic Switches and TATTLETALE
®
annunciators
are available for use with engines and electric
motors. Various circuits, time delays, and contact
congurations are available to match the power
source and mode of operation required for alarm
only, alarm before shutdown, or shutdown only.
For distributor ignition engines, the magnetic switch
opens the distributor coil circuit to cause shutdown.
For magneto or CD ignitions the magnetic switch
grounds the ignition output. Some models can also
trip fuel valves instead of or in addition to grounding
the ignition. Diesel engines are shut down by closing
off the fuel or air supply. Magnetic switches and
TATTLETALE
®
annunciators can make or break
circuits for these engines.
MS2110 |
760A/761APH |
117
760A-30-12N
518APH-12V
761APH-30-12
Replacement Fuse
E64125 14 AMP Fuse $4.95