Switch Action Switch Action |
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Switch Starting Position Switch Starting Position |
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Wire Connection Type Wire Connection Type |
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Screw Terminals | Quick- Disconnect Terminals |
Industry Designation Industry Designation |
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For Actuator Type For Actuator Type |
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Component Component |
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Specifications Met Specifications Met |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Choosing an Electrical Switch
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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 and 13.
Flush and projecting switches are rated IP66.
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.

Switch Action | Dia. | For Max. No. of Contact Blocks | Key Removal Position | Environmental Rating | Specifications Met | Actuator Color | Each | |
2 Positions | ||||||||
---|---|---|---|---|---|---|---|---|
Springs Back (Momentary) | 1 3/16" | 6 | Right | NEMA 4, NEMA 13, IP66 | UL Recognized Component, CSA Certified, CE Marked, CCC Marked, UL 508 | Black | 0000000 | 000000 |
3 Positions | ||||||||
Springs Back (Momentary), Stays Switched (Maintained) | 1 3/16" | 6 | Left | NEMA 4, NEMA 13, IP66 | UL Recognized Component, CSA Certified, CE Marked, CCC Marked, UL 508 | Black | 0000000 | 00000 |
Replacement Keys | 00000000 | Pkg. | 00000 |

No. of Circuits Controlled | Switch Starting Position | No. of Terminals | Industry Designation | Switching Current @ Voltage | Max. Voltage | Dp. Behind Panel | Wire Connection Type | Environmental Rating | Specifications Met | 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 | IP20 | UL Listed, UL Recognized Component, CSA Certified, CE Marked, CCC Marked, UL 508 | 00000000 | 000000 |
2 | 2 On (Normally Closed) | 4 | DPST-NC | 6 A @ 120 V AC, 2.5 A @ 24 V DC | 600V AC | 1 13/16" | Screw Terminals | IP20 | UL Listed, UL Recognized Component, CSA Certified, CE Marked, CCC Marked, UL 508 | 00000000 | 00000 |

No. of Circuits Controlled | Switch Starting Position | No. of Terminals | Industry Designation | Switching Current @ Voltage | Max. Voltage | Dp. Behind Panel | Wire Connection Type | Environmental Rating | Specifications Met | 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 | IP20 | UL Listed, UL Recognized Component, CSA Certified, CE Marked, CCC Marked, UL 508 | 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 | IP20 | UL Listed, UL Recognized Component, CSA Certified, CE Marked, CCC Marked, UL 508 | 00000000 | 00000 |
2 | 2 Off (Normally Open) | 4 | DPST-NO | 6 A @ 120 V AC, 2.5 A @ 24 V DC | 600V AC | 1 13/16" | Screw Terminals | IP20 | UL Listed, UL Recognized Component, CSA Certified, CE Marked, CCC Marked, UL 508 | 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 | IP20 | UL Listed, UL Recognized Component, CSA Certified, CE Marked, CCC Marked, UL 508 | 00000000 | 00000 |
2 | 2 On (Normally Closed) | 4 | DPST-NC | 6 A @ 120 V AC, 2.5 A @ 24 V DC | 600V AC | 1 13/16" | Screw Terminals | IP20 | UL Listed, UL Recognized Component, CSA Certified, CE Marked, CCC Marked, UL 508 | 00000000 | 00000 |
For Actuator Style | No. of Circuits Controlled | Switch Starting Position | No. of Terminals | Industry Designation | Environmental Rating | Specifications Met | Each | |
Push Button/Lever/Key | 1 | 1 On (Normally Closed) | 2 | SPST-NC | IP20 | UL Listed, UL Recognized Component, CSA Certified, CE Marked, CCC Marked, UL 508 | 00000000 | 000000 |
Lever/Key | 1 | 1 Off (Normally Open) | 2 | SPST-NO | IP20 | UL Listed, UL Recognized Component, CSA Certified, CE Marked, CCC Marked, UL 508 | 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.

Switch Action | Switching Current @ Voltage | Max. Voltage | Dia. | For Max. No. of Contact Blocks | No. of Keys Included | Key Removal Position | Key Number | Environmental Rating | Each | |
2 Position | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Springs Back (Momentary) | 6 A @ 120 V AC, 5 A @ 24 V DC | 600V AC/600V DC | 1 1/8" | 4 | 2 | Left | 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 | Center | 501CH | NEMA 4, NEMA 13 | 00000000 | 000000 |
Replacement Key | 00000000 | Each | 00000 |

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

Prevent accidental activation and limit access—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 | |||||||||||||
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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 equipment—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.
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 | Key Removal Position | Each | |
2 Position with Plastic Base | |||||||||||||||
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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 | Center | 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 | Center | 00000000 | 00000 |