Choosing an Electrical Switch
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Mil. Spec. Washdown Toggle Switches
These switches meet MIL-S-3950. A rubber seal protects them from washdowns.
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 | Position Designation | Switching Current @ Voltage | Max. Voltage | Dp. Behind Panel | Mounting Hardware Included | Wire Connection Type | Each | |
3 Position | ||||||||||||
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For 1/2" Panel Cutout Dia. | ||||||||||||
4 | 4 Off (Normally Open) or 4 On (Normally Closed) | Springs Back (Momentary) | 12 | 4PDT | (On)-Off-(On) | 8 A @ 125 V AC, 10 A @ 28 V AC | 28V DC 125V AC | 1.35" | Yes | Screw Terminals | 00000000 | 0000000 |
3/4" Panel-Mount Key Switches
Prevent accidental activation and limit access—these switches require a key to turn circuits on or off. All fit into a standard panel cutout.
Keyed alike switches all open with the same key.
Keyed differently switches each open with a unique key.
Keyed differently/master keyed switches are keyed differently but can be used with a master key (sold separately).
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 Wire Leads | ||||||||||||||
1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 7 A @ 28 V DC/28 V AC | 28V DC 28V AC | 7/8" | 1 1/8" | 2 | Center | 00000000 | 000000 | 00000000 | 00000 |
1 | 1 Off (Normally Open) | Stays Switched (Maintained) | 2 | SPST-NO | 7 A @ 28 V DC/28 V AC | 28V DC 28V AC | 7/8" | 1 1/8" | 2 | Center, Right | 0000000 | 00000 | 0000000 | 0000 |
Keyed Differently with Wire Leads | ||||||||||||||
1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 7 A @ 28 V DC/28 V AC | 28V DC 28V AC | 7/8" | 1 1/8" | 2 | Center | 00000000 | 00000 | 00000000 | 0000 |
1 | 1 Off (Normally Open) | Stays Switched (Maintained) | 2 | SPST-NO | 7 A @ 28 V DC/28 V AC | 28V DC 28V AC | 7/8" | 1 1/8" | 2 | Center, Right | 0000000 | 00000 | 0000000 | 0000 |
Switches | Master 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 Differently/Master Keyed with Wire Leads | ||||||||||||||
1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 7 A @ 28 V DC/28 V AC | 28V DC 28V AC | 7/8" | 1 1/8" | 2 | Center | 00000000 | 000000 | 00000000 | 00000 |
1 | 1 Off (Normally Open) | Stays Switched (Maintained) | 2 | SPST-NO | 7 A @ 28 V DC/28 V AC | 28V DC 28V AC | 7/8" | 1 1/8" | 2 | Center, Right | 0000000 | 00000 | 0000000 | 0000 |
High-Security 3/4" Panel-Mount Key Switches
With a round key that is difficult to duplicate, these switches provide a higher degree of security than standard key switches.
Keyed alike switches all open with the same key.
Keyed differently switches each open with a unique key.
Keyed differently/master keyed switches are keyed differently but can be used with a master key (sold separately).
For technical drawings and 3-D models, click on a part number.
Switches | ||||||||||||||||
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Wire Leads | Key | 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 | Lg. | No. of Keys Included | Removal Position | Each | Each | ||
2 Position with Metal Base | ||||||||||||||||
Keyed Alike with Wire Leads | ||||||||||||||||
1 | 1 Off (Normally Open) | Stays Switched (Maintained) | 2 | SPST-NO | 7 A @ 28 V DC/28 V AC | 28V DC 28V AC | 7/8" | 1 3/16" | 2 | 10" | 2 | Center, Right | 0000000 | 000000 | 0000000 | 000000 |
Keyed Differently with Wire Leads | ||||||||||||||||
1 | 1 Off (Normally Open) | Stays Switched (Maintained) | 2 | SPST-NO | 7 A @ 28 V DC/28 V AC | 28V DC 28V AC | 7/8" | 1 3/16" | 2 | 10" | 2 | Center, Right | 0000000 | 00000 | 0000000 | 00000 |
Keyed Differently/Master Keyed with Wire Leads | ||||||||||||||||
1 | 1 Off (Normally Open) | Stays Switched (Maintained) | 2 | SPST-NO | 7 A @ 28 V DC/28 V AC | 28V DC 28V AC | 7/8" | 1 3/16" | 2 | 10" | 2 | Center, Right | 0000000 | 00000 | 000000 | 00 |
Master Key | 0000000 | Each | 00000 |
Sealed Touch Pad Switches
Suitable for areas with space limitations, these switches have a low profile and a small footprint. They lay flat or mount to a wall. Typically used in start/stop and door opening applications, switches can also be placed underneath objects to alert when the object is removed. All have a sealed housing that resists water and alcohols (not suitable for continuous contact).
Optional mounting frames secure switches to a wall or bench top.
Shape | No. of Circuits Controlled | Switch Starting Position | Switch Action | No. of Terminals | Industry Designation | Color | Switching Current @ Voltage | Actuation Force, lbs. | Material | Dia. | Lg. | Wd. | Thick. | Each | |
Rectangular | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | Black | 1 A @ 28 V AC/28 V DC | 2.5 | PVC Plastic | __ | 1" | 3/4" | 3/16" | 000000 | 000000 |
Round | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | Black | 1 A @ 28 V AC/28 V DC | 2.5 | PVC Plastic | 1 1/2" | __ | __ | 1/4" | 000000 | 00000 |
Safety Bumper Switches
Prevent automatic doors from closing on a person or an object—these switches immediately turn machinery off when actuated with minimal force. Combine with a controller (sold separately) to create a self-monitoring system that also shuts off machinery when a fault is detected. They’re sensitive along their entire length and often used to signal when an overhead door closes or when an item reaches the end of a conveyor. The attached mounting channel can be mounted to a door or flat surface. Punch or drill holes into the channel to match an existing hole pattern or create a new mounting pattern. Switches are rated IP65 for protection from washdowns.
Bumper | Channel | ||||||||||||||||
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Lg., ft. | Ht. | Wd. | No. of Circuits Controlled | Switch Starting Position | Switch Action | Industry Designation | Switching Current @ Voltage | Actuation Force, lbs. | Ht. | Thick. | Channel Material | Wire Connection Type | No. of Wire Leads | Cable Lead Lg., ft. | Mounting Fasteners Included | Each | |
2 | 1.56" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 1.2 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 0000000 |
3 | 1.56" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 1.2 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 000000 |
4 | 1.56" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 1.2 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 000000 |
5 | 1.56" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 1.2 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 000000 |
6 | 1.56" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 1.2 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 000000 |
8 | 1.56" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 1.2 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 000000 |
10 | 1.56" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 1.2 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 000000 |
12 | 1.56" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 1.2 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 000000 |
High-Force Safety Bumper Switches
Minimize false triggers—these switches require 10 lbs. of actuation force in order to shut off machinery immediately. Combine with a controller (sold separately) to create a self-monitoring system that also shuts off machinery when a fault is detected. They’re sensitive along their entire length and often used to signal when an overhead door closes or when an item reaches the end of a conveyor. The attached mounting channel can be mounted to a door or flat surface. Punch or drill holes into the channel to match an existing hole pattern or create a new mounting pattern. Switches are rated IP65 for protection from washdowns.
Bumper | Channel | ||||||||||||||||
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Lg., ft. | Ht. | Wd. | No. of Circuits Controlled | Switch Starting Position | Switch Action | Industry Designation | Switching Current @ Voltage | Actuation Force, lbs. | Ht. | Thick. | Channel Material | Wire Connection Type | No. of Wire Leads | Cable Lead Lg., ft. | Mounting Fasteners Included | Each | |
2 | 1.69" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 10 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 0000000 |
3 | 1.69" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 10 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 000000 |
4 | 1.69" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 10 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 000000 |
5 | 1.69" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 10 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 000000 |
6 | 1.69" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 10 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 000000 |
8 | 1.69" | 1.13" | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | SPST-NO | 1 A @ 28 V AC/28 V DC | 10 | 1.28" | 0.1" | Aluminum | Wire Leads | 4 | 6 | No | 0000000 | 000000 |