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You are here: Home > Switches > Knife Blade Switches
We found 12 results matching your criteria.
 Battery DoctorŽ switches are easy to install and simple to use.
Mount on negative battery post.
Disconnect batteries quickly and easily.
Stop unwanted battery drain.
Help prevent theft, tampering and unauthorized use.
Improve safety and security of stored vehicles, RVs and seasonal equipment.
Are rated 250 amps continuous and 750 amps surge at 12 volts. 
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KNIFE SWITCH: 12/24-VOLT HEAVY EQUIPMENT SWITCH
This is a Stock Item - Usually Ships upon order
Our Price: $103.42

2 in stock!

Double-pole, double-throw switch connects two 12-volt batteries either
in parallel for maximum current and charging, or in series for 24-volt
starting power.
KNIFE SWITCH: 1-BLADE 2-WAY-EACH
This is a Stock Item - Usually Ships upon order
Our Price: $22.94

3 in stock!

Double-pole, double-throw switch connects two 12-volt batteries either
in parallel for maximum current and charging, or in series for 24-volt
starting power.
KNIFE SWITCH: 2-BLADE 3-WAY-EACH
This is a Stock Item - Usually Ships upon order
Our Price: $24.29

4 in stock!

Allows use of one battery for accessories while reserving second battery for starting.
KNIFE SWITCH: DOUBLE POST ACCESSORY SWITCH-EACH
This is a Stock Item - Usually Ships upon order
Our Price: $21.59

2 in stock!

Provides one un-switched 5/8" post, plus one switched 5/8" post.
KNIFE SWITCH: IN-LINE EYE TO EYE-EACH
This is a Stock Item - Usually Ships upon order
Our Price: $18.89

2 in stock!

For concealed installations, or where battery box space is limited. One side
connects to the battery cable; other side connects to the vehicle cable.
KNIFE SWITCH: IN-LINE POST TO EYE-EACH
This is a Stock Item - Usually Ships upon order
Our Price: $18.89

5 in stock!

For concealed installations, where battery box space is limited. One
side connects to the battery cable; other side connects to the vehicle
cable
KNIFE SWITCH: POST TO EYE -EACH
This is a Stock Item - Usually Ships upon order
Our Price: $19.95

2 in stock!

With 5/16-18 bolt for receiving eyelet/Lug cable connectors.
KNIFE SWITCH: SIDE TERMINAL-EACH
This is a Stock Item - Usually Ships upon order
Our Price: $18.89

1 in stock!

Mounts on negative side battery terminal.
Provides 3/8-18 bolt for receiving standard eyelet cable connector.
KNIFE SWITCH: TOP POST w/STUD-EACH
This is a Stock Item - Usually Ships upon order
Our Price: $20.24

3 in stock!

Switches recommended to mount on negative battery post to disconnect ground and battery. Easy to reach and operate. With 5/8" diameter post, plus 5/16-18 stud & wing nut for extra connections.
KNIFE SWITCH: TOP POST, LOW PROFILE w/STUD-EACH
This is a Stock Item - Usually Ships upon order
Our Price: $20.24

1 in stock!

Opens and closes horizontally where clearance above battery is limited. With post, plus 5/16-18 stud and wing nut for extra connections.
KNIFE SWITCH: TOP POST, LOW PROFILE-EACH
This is a Stock Item - Usually Ships upon order
Our Price: $18.89

1 in stock!

With post for receiving standard battery cable clamp.
KNIFE SWITCH: TOP POST-EACH
This is a Stock Item - Usually Ships upon order
Our Price: $18.89

1 in stock!

With 5/8" diam. post for receiving standard battery cable clamp.
   
 
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