Plunger Switches
Delta Systems' Plunger Switches are used to sense the position of mechanical linkages and control levers. Wiping action helps to clean the contacts during use, keeping contact resistance lower and extending switch life in rugged environments. One to three independent electrical circuits are available. Our switches are easy to design into your application with versatile mounting styles for multiple panel thicknesses and mounting locations.
Typical Applications Include:
- Outdoor Power Equipment
- Utility Vehicles
- Power Sports
- Construction
- Farm & Agricultural
- Asphalt Pavers/Concrete Mixes
- Light Industrial
- Material Handling
- Off-Highway Vehicles
- Mining
CONTACT US To request datasheets, pricing, and additional information.
Sealed Plunger Switches
We designed our sealed plunger switches for applications where the switching current is low (<100 mA, requiring clean contacts for reliable switching) and/or exposure to moisture and contaminants is high. They are ideally suited for electric-powered mowers and off-highway vehicles, as well as products with >2000-hour expected life, like commercial outdoor power, agricultural, construction, and light industrial equipment.
Electrical Specifications
Attribute |
Specification for 6403, 6404, 6420, 6470 SERIES |
Specification for 6454 SERIES |
---|---|---|
Operating Voltage Range | 12-14Vdc | 12-14Vdc |
Operating Current | 3 Amps | 3 Amps |
Electrical Life:Cycles | Resistive: 75,000, Inductive: 10,000 | Resistive: 75,000, Inductive: 10,000 |
Pre-travel, inches | See application print | See application print |
Operating Temperature Range: | -20 °F to 150 °F (-29 °C to 65 °C) | -30 °F to 185 °F (-35 °C to 85 °C) |
Storage Temperature Range | -30 °F to 150 ° F (-35 °C to 65 °C) | -40 °F to 185 ° F (-40 °C to 85 °C) |
Environmental Ratings
Exposure |
Specification |
---|---|
Ingress Protection | IEC 60529 IP67 |
Salt Fog | ASTM B117, 96 hours |
Chemical Resistance | ASTM Ref C Fuel, Diesel Fuel, Oil, Antifreeze, Freon, Paint, Latex, Gasoline, Gas with 10% ethanol, WD-40, Battery Acid, Ammoniated Glass Cleaner, Kerosene, GOJO, Fertilizer |
Configurations
Product Line |
Part Number |
Electrical Configuration |
Mounting Type |
Mating Connector |
Environmental Rating |
IP67 |
App Prints |
---|---|---|---|---|---|---|---|
Plungers - Sealed | 6403-82 | NO | Rail | Aptiv 2973872 or Aptiv 2977048 | IP67 | Yes | download down arrow |
Plungers - Sealed | 6403-84 | NO/NC | Rail | Aptiv 2977048 | IP67 | Yes | download down arrow |
Plungers - Sealed | 6404-02 | NO/NC | Bolt | Aptiv 2977048 | IP67 | Yes | |
Plungers - Sealed | 6404-05 | NC | Bolt | Aptiv 2973872 or Aptiv 2977048 | IP67 | Yes | |
Plungers - Sealed | 6404-06 | NO | Bolt | Aptiv 2973872 or Aptiv 2977048 | IP67 | Yes | |
Plungers - Sealed | 6420-02 | NO/NO | Bolt | Aptiv 2977048 | IP67 | Yes | |
Plungers - Sealed | 6420-03 | NC/NC | Bolt | Aptiv 2977048 | IP67 | Yes | |
Plungers - Sealed | 6420-53 | NO/NC | Bolt | Aptiv 2977048 | IP67 | Yes | |
Plungers - Sealed | 6470-03 | NC/NC | Bolt | Molex 334724801 | IP67 | Yes | |
Plungers - Sealed | 6470-53 | NO/NC | Bolt | Molex 334724801 | IP67 | Yes | |
Plungers - Sealed | 6470-54 | NO/NO | Bolt | Molex 334724801 | IP67 | Yes | |
Plungers - Sealed | 6470-82 | NO/NO | Rail | Molex 334724801 | IP67 | Yes | |
Plungers - Sealed | 6470-84 | NO/NC | Rail | Molex 334724801 | IP67 | Yes | |
Plungers - Sealed | 6454-001 | NO/NO | Snap | Molex 334710401 | IP67 | Yes | |
Plungers - Sealed | 6454-002 | NO/NC | Snap | Molex 334710401 | IP67 | Yes |
Unsealed Plunger Switches
Delta Systems Unsealed Plunger Switches are available in multiple forms, electrical configurations, and mounting styles to meet your application needs. We offer switches with one, two or three independent electrical circuits.
Bolt Mount

Rail Mount

Snap Mount

datasheets
Electrical Specifications
Attribute |
Specification |
---|---|
Operating Voltage Range | 12-14Vdc |
Operating Current | 3 Amps |
Electrical Life:Cycles | Resistive: 75,000, Inductive: 10,000 |
Pre-travel, inches | .040-.150 |
Operating Temperature Range: | -20 °F to 150 °F (-29 °C to 65 °C) |
Storage Temperature Range | -30 °F to 150 ° F (-35 °C to 65 °C) |
Environmental Ratings
Exposure |
Specification |
---|---|
Salt Fog | ASTM B117. 96 hours |
Chemical Resistance | ASTM Ref C Fuel, Diesel Fuel, Oil, Antifreeze, Freon, Paint, Latex, Gasoline, Gas with 10% ethanol, WD-40, Battery Acid, Ammoniated Glass Cleaner, Kerosene, GOJO, Fertilizer |
Configurations
Product Line |
Part Number |
Electrical Configuration |
Mounting Type |
Mating Connector |
Environmental Rating |
IP67 |
App Prints |
---|---|---|---|---|---|---|---|
Plungers - Basic | 6300-001 | NO/NC/NC | Rail | Delta 972367 | Unsealed | No | |
Plungers - Basic | 6300-004 | NC/NO/NO | Rail | Delta 972367 | Unsealed | No | |
Plungers - Basic | 6301-001 | NO/NC/NC | Rail | Delta 972367 | Unsealed | No | |
Plungers - Basic | 6400-02 | NO/NO | Bolt | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-03 | NC/NC | Bolt | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-20 | NO | Rail | Delphi 2973872 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-31 | NC | Bolt | Delphi 2973872 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-51 | NC | Bolt | Delphi 2973872 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-52 | NO | Bolt | Delphi 2973872 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-53 | NO/NC | Bolt | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-54 | NO | Bolt | Delphi 2973872 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-81 | NC | Rail | Delphi 2973872 | Unsealed | No | |
Plungers - Basic | 6400-81AP | NC | Rail | Delphi 2973872 | Unsealed | No | |
Plungers - Basic | 6400-82 | NO | Rail | Delphi 2973872 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-82AP | NO | Rail | Delphi 2973872 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-83 | NO/NC | Bolt | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-84 | NO/NC | Rail | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-85 | NO/NO | Rail | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-86 | NC/NC | Rail | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-87 | NC | Bolt | Delphi 2973872 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-88 | NO | Bolt | Delphi 2973872 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-93 | NO/NO | Bolt | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6400-94 | NO/NC | Rail | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6401-64 | NC/NO | Rail | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6402-53 | NO/NC | Bolt | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6405-53 | NO/NC | Bolt | Delphi 2977048 | Splash-proof Connector | No | download down arrow |
Plungers - Basic | 6405-53PW | NO/NC | Bolt | Delphi 2977048 | Splash-proof Connector | No | download down arrow |
Plungers - Basic | 6405-55PW | NO/NC | Bolt | Delphi 2977048 | Splash-proof Connector | No | download down arrow |
Plungers - Basic | 6405-84 | NO/NC | Rail | Delphi 2977048 | Splash-proof Connector | No | download down arrow |
Plungers - Basic | 6410-02 | NO/NO | Bolt | Delphi 2977048 | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6410-51 | NC | Bolt | Delphi 2973872 | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6410-53 | NO/NC | Bolt | Delphi 2977048 | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6410-54 | NO | Bolt | Delphi 2973872 | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6410-63 | NO/NC | Bolt | Delphi 2977048 | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6420-02 | NO/NO | Bolt | Delphi 2977048 | Splash-proof | No | download down arrow |
Plungers - Basic | 6420-03 | NC/NC | Bolt | Delphi 2977048 | Splash-proof | No | download down arrow |
Plungers - Basic | 6420-53 | NO/NC | Bolt | Delphi 2977048 | Splash-proof | No | download down arrow |
Plungers - Basic | 6440-04 | NO | Snap | Delta 96525, 96526 | Unsealed | No | download down arrow |
Plungers - Basic | 6440-11 | NO | Snap | Delta 96525, 96526 | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6440-14 | NO | Snap | Delta 96525, 96526 | Unsealed | No | download down arrow |
Plungers - Basic | 6440-15 | NO | Snap | Delta 96526-OL | Unsealed | No | download down arrow |
Plungers - Basic | 6440-16 | NO | Snap | Delta 96525, 96526 | Unsealed | No | download down arrow |
Plungers - Basic | 6440-17 | NC | Snap | Delta 96525, 96526 | Unsealed | No | download down arrow |
Plungers - Basic | 6440-21 | NO | Snap | Delta 96525, 96526 | Unsealed | No | download down arrow |
Plungers - Basic | 6440-53 | NC | Snap | Delta 96525-GY | Unsealed | No | download down arrow |
Plungers - Basic | 6440-604 | NO | Snap | Delta 96525, 96526 | Unsealed | No | download down arrow |
Plungers - Basic | 6440-62 | NC | Snap | Delta 96525, 96526 | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6440-70 | NO | Snap | Delta 96526-OL | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6440-73 | NC | Snap | Delta 96525-GY | Unsealed | No | download down arrow |
Plungers - Basic | 6440-76FR | NO | Snap | Delta 96525, 96526 | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6440-77FR | NO | Snap | Delta 96525, 96526 | Unsealed | No | download down arrow |
Plungers - Basic | 6444-02 | NO/NO | Snap | Delta 96545, 96546 | Unsealed | No | |
Plungers - Basic | 6444-03 | NC/NC | Snap | Delta 96545, 96546 | Unsealed | No | |
Plungers - Basic | 6444-53 | NC/NO | Snap | Delta 96545, 96546 | Unsealed | No | |
Plungers - Basic | 6444-602 | NO/NO | Snap | Delta 96545, 96546 | Unsealed | No | |
Plungers - Basic | 6444-603 | NC/NC | Snap | Delta 96545, 96546 | Unsealed | No | |
Plungers - Basic | 6444-653 | NC/NO | Snap | Delta 96545, 96546 | Unsealed | No | |
Plungers - Basic | 6444-683 | NC/NC | Snap | Delta 96548-OL, 96549-OL | Unsealed | No | download down arrow |
Plungers - Basic | 6444-82 | NO/NO | Snap | Delta 96548-OL, 96549-OL | Unsealed | No | download down arrow |
Plungers - Basic | 6444-83 | NC/NC | Snap | Delta 96548-OL, 96549-OL | Unsealed | No | download down arrow |
Plungers - Basic | 6444-84 | NO/NC | Snap | Delta 96545, 96546 | Unsealed | No | download down arrow |
Plungers - Basic | 6700-01B | NO/NC | Snap | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6700-30 | NO | Snap | Delphi 2973872 | Unsealed | No | download down arrow |
Plungers - Basic | 6700-31 | NC | Snap | Delphi 2973872 | Unsealed | No | download down arrow |
Plungers - Basic | 6700-50B | NO/NO | Snap | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6700-51B | NC/NC | Snap | Delphi 2977048 | Unsealed | No | download down arrow |
Plungers - Basic | 6710-01B | NO/NC | Snap | Delphi 2977048 | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6710-31 | NC | Snap | Delphi 2973872 | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6710-50B | NO/NO | Snap | Delphi 2977048 | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6711-31 | NC | Snap | Delphi 2973872 | Splash-proof Plunger | No | |
Plungers - Basic | 6720-01B | NO/NC | Snap | Delphi 2977048 | Splash-proof Plunger | No | download down arrow |
Plungers - Basic | 6720-30 | NO | Snap | Delphi 2973872 | Splash-proof Plunger | No | |
Plungers - Basic | 6730-20 | NO/NC | Snap | Delphi 2977048 | Splash-proof Plunger | No |