Momentary Key Pilot Switches

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	For Panel Cutout Diameter For Panel Cutout Diameter

5/8"

3/4"

	Component Component

Key Actuator

Contact Block with Mounting
Latch

Contact Block

	Number of Terminals Number of Terminals

	Number of Positions Number of Positions

	Switch Starting Position Switch Starting Position

1 Off (Normally Open)

1 Off (Normally Open) and 1
On (Normally Closed)

1 On (Normally Closed)

2 Off (Normally Open)

2 On (Normally Closed)

	Industry Designation Industry Designation

	Wire Connection Type Wire Connection Type

Screw Terminals

Quick-Disconnect Terminals

	Key Removal Position Key Removal Position

Center

Right

Left

	Actuator Base Material Actuator Base Material

Metal

Plastic

	Switching Voltage Switching Voltage

120V AC

125V AC

24V DC

	Switching Current Switching Current

2.5A

	Number of Circuits Controlled Number of Circuits Controlled

	For Actuator Type For Actuator Type

Key

Lever

Push Button

	Diameter Diameter

	For Maximum Number of Contact Blocks For Maximum Number of Contact Blocks

	Key Number Key Number

	Environmental Rating Environmental Rating

	Environment Environment

Oily

Washdown

	Maximum Voltage Maximum Voltage

	Depth Behind Panel Depth Behind Panel

1 11/16"

1 3/4"

1 13/16"

	Terminal Numbering Terminal Numbering

	For Maximum Panel Thickness For Maximum Panel Thickness

3/16"

1/4"

9/16"

	Specifications Met Specifications Met

CSA

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23 Products

Choosing an Electrical Switch

22 mm Panel-Mount Build-Your-Own Metal Switches

Choose an actuator and contact block to make your own switch. All switches are rated NEMA 4, 13, and IP66 for protection from washdowns and oil/coolant spraying.

Key actuators are keyed alike, so they will all open with the same key.

Contact blocks with mounting latch accept additional contact blocks to control more circuits.

For technical drawings and 3-D models, click on a part number.

Key Actuators

2 Positions
Switch Action	Dia.	For Max. No. of Contact Blocks	Key Removal Position	Actuator Color		Each
Springs Back (Momentary)	1 3/16"	6	Right	Black	0000000	000000
3 Positions
Springs Back (Momentary)	1 3/16"	6	Left	Black	0000000	00000

Replacement Keys

00000000

Pkg.

00000

Contact Blocks with Mounting Latch for Push-Button Actuators

No. of Circuits Controlled	Switch Starting Position	No. of Terminals	Industry Designation	Switching Current @ Voltage	Max. Voltage	Dp. Behind Panel	Wire Connection Type		Each
1	1 On (Normally Closed)	2	SPST-NC	6 A @ 120 V AC, 2.5 A @ 24 V DC	600V AC	1 13/16"	Screw Terminals	00000000	000000
2	2 On (Normally Closed)	4	DPST-2NC	6 A @ 120 V AC, 2.5 A @ 24 V DC	600V AC	1 13/16"	Screw Terminals	00000000	00000

Contact Blocks with Mounting Latch for Lever and Key Actuators

No. of Circuits Controlled	Switch Starting Position	No. of Terminals	Industry Designation	Switching Current @ Voltage	Max. Voltage	Dp. Behind Panel	Wire Connection Type		Each
1	1 Off (Normally Open)	2	SPST-NO	6 A @ 120 V AC, 2.5 A @ 24 V DC	600V AC	1 13/16"	Screw Terminals	00000000	000000
1	1 On (Normally Closed)	2	SPST-NC	6 A @ 120 V AC, 2.5 A @ 24 V DC	600V AC	1 13/16"	Screw Terminals	00000000	00000
2	2 Off (Normally Open)	4	DPST-2NO	6 A @ 120 V AC, 2.5 A @ 24 V DC	600V AC	1 13/16"	Screw Terminals	00000000	00000
2	1 Off (Normally Open) and 1 On (Normally Closed)	4	DPST-1NO/1NC	6 A @ 120 V AC, 2.5 A @ 24 V DC	600V AC	1 13/16"	Screw Terminals	00000000	00000
2	2 On (Normally Closed)	4	DPST-2NC	6 A @ 120 V AC, 2.5 A @ 24 V DC	600V AC	1 13/16"	Screw Terminals	00000000	00000

Contact Blocks

For Actuator Style	No. of Circuits Controlled	Switch Starting Position	No. of Terminals	Industry Designation		Each
Push Button/Lever/Key	1	1 On (Normally Closed)	2	SPST-NC	00000000	000000
Lever/Key	1	1 Off (Normally Open)	2	SPST-NO	00000000	00000

30 mm Panel-Mount Build-Your-Own Metal Switches

Choose an actuator and contact block to make your own switch. All switches are rated for protection from washdowns and oil/coolant spraying. NEMA 4X rated switches are also protected from corrosion. Use legend plates (not included) to label switches.

Key actuators are keyed alike, so they will all open with the same key.

Switch guards protect flush and projecting switches from accidental activation.

For technical drawings and 3-D models, click on a part number.

Key Actuators

2 Position
Switch Action	Switching Current @ Voltage	Max. Voltage	Dia.	For Max. No. of Contact Blocks	No. of Keys Included	Key Number	Environmental Rating		Each
Springs Back (Momentary)	6 A @ 120 V AC, 5 A @ 24 V DC	600V AC/600V DC	1 1/8"	4	2	501CH	NEMA 4, NEMA 13	00000000	0000000
3 Position
Springs Back (Momentary)	6 A @ 120 V AC, 5 A @ 24 V DC	600V AC/600V DC	1 1/8"	4	2	501CH	NEMA 4, NEMA 13	00000000	000000

Replacement Key

00000000

Each

00000

Contact Blocks

No. of Circuits Controlled	Switch Starting Position	No. of Terminals	Industry Designation	Switching Current @ Voltage	Max. Voltage	Dp. Behind Panel	Wire Connection Type		Each
1	1 Off (Normally Open)	2	SPST-NO	6 A @ 120 V AC, 5 A @ 24 V DC	600V AC 600V DC	1 3/4"	Screw Terminals	00000000	000000
1	1 On (Normally Closed)	2	SPST-NC	6 A @ 120 V AC, 5 A @ 24 V DC	600V AC 600V DC	1 3/4"	Screw Terminals	00000000	00000
2	1 Off (Normally Open) and 1 On (Normally Closed)	4	DPST-1NO/1NC	6 A @ 120 V AC, 5 A @ 24 V DC	600V AC 600V DC	1 3/4"	Screw Terminals	00000000	00000

3/4" Panel-Mount Key Switches

With Screw Terminals

Prevent accidental activation and limit accessâ€”these switches require a key to turn circuits on or off.

Keyed alike switches all open with the same key.

For technical drawings and 3-D models, click on a part number.

Switches													Replacement Keys
No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Industry Designation	Switching Current @ Voltage	Max. Voltage	Dia.	Dp. Behind Panel	No. of Keys Included	Key Removal Position		Each		Each
2 Position with Metal Base
Keyed Alike with Screw Terminals
1	1 Off (Normally Open)	Springs Back (Momentary)	2	SPST-NO	6 A @ 120 V AC	240V AC	7/8"	1 3/4"	2	Center	0000000	000000	0000000	00000

16 mm Panel-Mount Key Switches

Limit access to sensitive equipmentâ€”these switches require a key to actuate. Rated NEMA 4, 13, and IP65, they're protected from washdowns and oil/coolant spraying. All are keyed alike, so they open with the same key.

Mounting wrenches (sold separately) make it easier to install switches in crowded panels.

For technical drawings and 3-D models, click on a part number.

2 Position with Plastic Base
No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Industry Designation	Actuator Color	Switching Current @ Voltage	Max. Voltage	Dia.	Dp. Behind Panel	For Max. No. of Contact Blocks	Quick-Disconnect Tab Wd.	No. of Keys Included		Each
With Quick-Disconnect Terminals
1	1 Off (Normally Open)	Springs Back (Momentary)	4	SPST-NO	Black	2.5 A @ 125 V AC, 6 A @ 24 V DC	250V DC 250V AC	11/16"	1 11/16"	3	0.11"	2	00000000	000000
3 Position with Plastic Base
With Quick-Disconnect Terminals
2	2 Off (Normally Open)	Springs Back (Momentary)	6	DPST-NO	Black	2.5 A @ 125 V AC, 6 A @ 24 V DC	250V DC 250V AC	11/16"	1 11/16"	2	0.11"	2	00000000	00000

Mounting Wrench	Each	00000
Replacement Key	Each	0000
Contact Block Removal Tool	Each	0000

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