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Electrical and Battery Disconnect Switches

Disconnect switches have several important jobs in commecrial vehicles and equipment. Battery disconnect switches cut-off electrical power, help protect against electrical fires and theft when equipment is not in use, provide a reliable shutdown of power during maintenance, and protect batteries from excessive drain.

1 - 12 of 27
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Description
Price
Quantity
Item#:
44029
Manufacturer Item:
51-916
Manufacturer:
Pollak
Min. Order Qty:
1
Avail #:
45
1+
21.9100
10+
18.6200
50+
16.4300
EACH
  • Pollak 51-902 Battery Master Disconnect Switches
  • Category: Disconnect Switches
  • Manufacturer: Pollak
  • Circuitry: SPST
  • Contact Action: On-Off
  • Current Rating: 180A
  • Voltage Rating: 6-36V
  • Terminal Type: (2) 3/8" Studs
  • Dimensions: 2-5/8" diameter, 4-3/8" long
  • Mounting stem: 3/4" diameter, 1/2" long
  • Lever operated
  • One piece die-cast housing, sealed
  • For battery circuit only
  • Does not disconnect alternator or generator
  • 1,000 amp in-rush rating
  • Key operated Pollak 51-916 Master Disconnect Switch also available
Item#:
44030
Manufacturer Item:
51-902
Manufacturer:
Pollak
Min. Order Qty:
1
Avail #:
521
1+
24.5900
10+
20.9000
50+
18.4400
EACH
  • Emergency stop disconnect switch
  • Heavy duty strike off switch
  • Twist to connect, push to disconnect
  • -13°F (-25°C) to 185°F (85°)C temp rating
  • 250A at 24V
Item#:
44037
Min. Order Qty:
1
Avail #:
68
 
RoHS Compliant
REACH Compliant
1+
49.3100
10+
44.3700
50+
41.9100
EACH
  • Cole Hersee M-750 Master Battery Selector/Disconnect Switch
  • Category: Disconnect Switches
  • Manufacturer: Cole Hersee
  • Switch Type: Mechanical
  • Circuitry: SPST
  • Amp Ratings:
    • 310A for Continuous Duty
    • 500A for Intermittent Duty
  • Max Volts: 6-36V Variable
  • Contact Action: On-Off
  • Contact Type: (3) 3/8" Studs
  • Heavy-duty vaporproof, weather-, dust-, and corrosion-resistant
  • Marine UL Listed
  • Minimizes battery drain
  • Gives a reliable shutdown of power during maintenance
  • Helps protect against electrical fires, when the vehicle is not in use
  • Provides back-up starting power in an emergency
  • Allows use of the first, second or both batteries simultaneously
  • Can be surface mounted or installed through 3-5/16" diameter panel hole
Item#:
44043
Manufacturer Item:
M-750
Manufacturer:
Cole Hersee By Littelfuse
Min. Order Qty:
1
Avail #:
17
 
RoHS Compliant
REACH Compliant
1+
40.7300
10+
36.6500
50+
34.6200
EACH
  • Pollak 52-613 Momentary Start Switches
  • Category: Push Button Switches
  • Manufacturer: Pollak
  • Component Type: Push-Button Start Switch
  • Contact Action: Off-(On)
  • Normally off
  • Contact Type: (2) 8" 14GA Leads
  • Current Ratings: 25A @ 6V, 15A @ 12V
  • Stem Dimensions: 1-1/16" L
  • PVC coating protects from dust and weather
Item#:
44046
Manufacturer Item:
52-613
Manufacturer:
Pollak
Min. Order Qty:
1
Avail #:
319
 
RoHS Compliant
1+
12.4100
10+
10.5400
50+
9.3000
EACH
  • Littelfuse Terra 880062 Battery Disconnect Switch
  • Category: Disconnect Switches
  • Manufacturer: Littelfuse Terra Power Systems
  • SR Series
  • Switch Type: Mechanical
  • Circuitry: SPST
  • Amp Rating: 300A
  • Max Volts: 32V
  • Contact Action: On-Off
  • Panel mount
  • Temp. Range: -58°F (-50°C) to 221°F (105°C)
  • Terminal stud size 3/8"-16 x 7/8" Long
  • Isolate high current DC circuits from battery sources
  • Stainless steel hardware and tin-plated copper studs
  • Ignition protection to SAE J1171 and ISO 8846 for installation in a battery box of on vehicles carrying hazardous loads
  • Internal components protected from harsh weather environments: IP66 & IP6K9K rated
Item#:
44056
Manufacturer Item:
880062
Manufacturer:
Cole Hersee By Littelfuse
Min. Order Qty:
1
Avail #:
203
1+
28.0900
10+
23.8700
50+
21.0600
EACH
  • Littelfuse Terra 880064 Battery Disconnect Switch
  • Category: Disconnect Switches
  • Manufacturer: Littelfuse Terra Power Systems
  • SR Series
  • Switch Type: Mechanical
  • Circuitry: SPST
  • Amp Rating: 300A
  • Max Volts: 32V
  • Contact Action: On-Off
  • Panel mount
  • Temp. Range: -58°F (-50°C) to 221°F (105°C)
  • Terminal stud size 3/8"-16 x 7/8" Long
  • Isolate high current DC circuits from battery sources
  • Stainless steel hardware and tin-plated copper studs
  • Pad lock-out for protection from tampering or when the electrical system is being serviced
  • Ignition protection to SAE J1171 and ISO 8846 for installation in a battery box of on vehicles carrying hazardous loads
  • Internal components protected from harsh weather environments: IP66 & IP6K9K rated
Item#:
44058
Manufacturer Item:
880064
Manufacturer:
Cole Hersee By Littelfuse
Min. Order Qty:
1
Avail #:
25
 
RoHS Compliant
REACH Compliant
1+
31.1100
10+
26.4400
50+
23.3300
EACH
  • Battery isolator switch with detachable key
  • Protects operator from accidental actuation when power is shut-down for maintenance
  • Stop-key single circuit
  • Maximum load is 500 amps for 5 seconds at 12 volts DC
  • 100 amps continuous rating
  • Spare key 44077 and splash-proof cover 44078 also available
  • -13°F (-25°C) to 185°F (85°C)
Item#:
44075
Min. Order Qty:
1
Avail #:
404
 
REACH Compliant
1+
10.3200
10+
8.2500
50+
5.1600
EACH
  • Cole Hersee 75920 Master Disconnect Switch
  • Category: Disconnect Switches
  • Manufacturer: Cole Hersee
  • Switch Type: Mechanical
  • Circuitry: SPST
  • Amp Rating: 300A
  • Max Volts: 12V
  • Contact Action: On-Off
  • Contact Type: (2) 3/8" Studs
  • Waterproof and dust proof to IP67 (immersible)
  • Fits standard master disconnect mounting pattern
  • Protects vehicles and equipment against tampering, theft and battery drain
  • Protects from hazards during vehicle servicing, and can be locked-out or tagged-out
  • Provides an effective emergency power cut-off
Item#:
44076
Manufacturer Item:
75920
Manufacturer:
Cole Hersee By Littelfuse
Min. Order Qty:
1
Avail #:
5
 
RoHS Compliant
1+
40.5500
10+
34.4600
50+
30.4100
EACH
  • Extra heavy duty battery isolator switch with removable handle
  • Panel mount design
  • Removeable handle prevents tampering or accidental engagement while equipment is not in use or being serviced
  • SPST (on-off) for battery circuitry only
  • Maximum load is 2500 amps for 5 seconds at 12 volts DC
  • 250 amps continuous at 12 volts DC
  • 3/8" studs slotted 1/4" mounting holes on 4" centers
  • Includes cover and chain
  • -13°F (-25°C) to 185°F (85°C)
Item#:
44080
Min. Order Qty:
1
Avail #:
30
 
REACH Compliant
1+
54.5300
10+
46.3500
50+
40.8900
EACH
  • Top mount battery disconnect switch
  • Opens vertically
  • Cuts off all battery power from the vehicle electrical system
  • Protects vehicle from tampering, theft and battery drain
  • 250-750A
Item#:
44090
Min. Order Qty:
1
Avail #:
12
1+
28.5300
10+
24.2500
50+
21.3900
EACH
  • Cut off battery power from the vehicle electrical system with this battery disconnect switch
  • Protects vehicle from tampering, theft and battery drain
  • Top mount
  • Opens vertically
  • 250A to 750A
Item#:
44091
Min. Order Qty:
1
Avail #:
4
1+
30.5700
10+
25.9800
50+
22.9200
EACH
1 - 12 of 27
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Commercial vehicle electrical systems are very demanding of batteries. Excessive drain happens even when the ignition switch is in the off position. Master disconnect switches are designed to power down the vehicle completely, protecting against parasitic battery drain. Cutting off the battery with a master battery disconnect switch removes all parasitic loads and small leakage currents that kill a battery over time. Disconnect switches also prevent injury of the technicians repairing electrical systems by disconnecting all power. Current drain also happens when the ignition is on, and the vehicle or equipment is idling, like in police cars, ambulances, trucks and delivery fleets. In this case, you can't disconnect the main power, because you still need the electrical system to run. Low voltage disconnect switches are an ideal option. They monitor the battery loads and automatically disconnect only non-critical loads from batteries to prevent excessive discharge. Safety is of the utmost importance when it comes to electrical applications, which is why Waytek offers a wide variety of safety related electrical products, connectors, and switches to help keep you and your equipment safe. In instances where the battery is not easily accessible or reaching the battery becomes dangerous, the remote mounting of a battery jumper terminal junction block inside or outside a vehicle allows for convenient and safe jump-starts and charging. For situations where you need to connect two parallel wires or one wire to multiple wires to complete your circuit consider using a butt connector, designed to keep moisture, dust and chemicals out of the electrical connection. No matter what you’re your electrical project requires you’re guaranteed to find all the parts you need at Waytekwire.com. For a complete list of disconnect switch related products, click on the links below. Junction Blocks Quick Disconnects Butt Connectors
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