SWITCHES, BUZZERS

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Low Air Pressure Switches
For dependable operation of low air pressure warning systems. Sealed contact design prevents shorts caused by dirt in brake system.
Normally "ON"
G-8640 $3.65
Self Grounding
• Contacts close as pressure drops into range 70-50 PSI  
• 1 #8-32 stud terminal with hex nut and lock washer
• 1/4-18 dryseal thread
• Overall size: 2" L x 1 1/16" hex.
Vacuum Switches
G-9253 $6.96
• Two positions
• Normally "ON" (contacts closed(
• Contacts open at rising vacuum; contacts close at lowering vacuum
• Operates at 9 to 12 inches of mercury
• Mounting stem: 1/8" - 27 dryseal thread, 11/32" long.
Vaporproof battery selector & disconnect switch
G-M-705 $0.00
Four positions: Off-On Bat. # 1 - on Bat. # 1 & 2 - On. Bat #2
Ratings: 
• Continuous duty - 175 Amps
• Intermittent duty - 325 Amps
Safety Master Disconnect Switches
S.P.S.T. (Off - On) Two Stud Terminals
Disconnects battery circuit only. Does not disconnect alternator or generator field circuit. When used on alternator equipped vehicle, engine should be stopped before switching to "Off" position to prevent possible alternator diode failure. Wiring diagram included. 
G-2484 $17.15
• 12 & 6 Volts
• Heavy steel case, plated; die cast lever
• Two 3/8" brass terminals and hex nuts with lock washers
• Brass mounting stem: 3/4" dia., 25/32: long; two hex nuts and lock washers
• Overall length: 4 1/8", body diameter 2 5/8"
G-2484-A $19.04
• 36 & 24 Volts
• Same as G-2484 except with silver laminated contacts
Safety Master Disconnect Switches
D.P.S.T. (Off - On) Four Stud Terminals
Disconnects battery circuit and alternator or generator field circuit. Electrical contacts are arranged to interrupt field circuit before battery circuit is broken. Recommended for gasoline and oil tank trucks. Wiring diagram included.
G-75903 $20.31
• 12 & 6 Volts
• Heavy steel case, plated; chromed die cast lever
• Two 3/8" and two #10-32 brass stud  terminals and hex nuts with lock washers
• Brass mounting stem: 3/4" dia., 25/32: long; two hex nuts and lock washers
• Overall length: 4 1/8", body diameter 2 5/8"
G-75904 $23.28
• 36 & 24 Volts
• Same as G-75903 except with silver laminated contacts
Universal Buzzers
For buses, trucks, passenger cars, industrial vehicles and other motorized equipment. Typical applications: Bus "DOOR" open warning. Back-up warning, Bus Operator Signal, low air pressure warning.
G-4099(12 Volt) $7.52
G-40151(24 Volt) $8.81
Replaces: 
Ford FDM-2938
GMC 116882
Superior Coach 76032
Divco-Wayne E-11811A
Signal Buzzer control switch
G-40100 $15.46
Extra Heavy Duty
 • S.P.S.T., 2 positions
• Normally "Off" - pull to "On" - spring return to "Off" position. 
• For up to 36 Volt Applications
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