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Choosing an Electrical Switch
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Doorbell-Style Push-Button Switches
A
B
C
D
These familiar push-button switches mount to flat surfaces.
Switches rated IP65 are protected against dust and low-pressure jets of water.
For technical drawings and 3-D models, click on a part number.
Housing | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Style | Actuator Color | No. of Circuits Controlled | Switch Starting Position | Switch Action | No. of Terminals | Industry Designation | Switching Current @ Voltage | Max. Voltage  | Dia. | Ht. | Wd. | Dp. | Material | Color | Mounting Fasteners Included | Environmental Rating | Each | |
Metal Actuator with Screw Terminals | ||||||||||||||||||
Round | ||||||||||||||||||
| A | Gold | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 30 V AC/30 V DC | 30V AC 30V DC | 2 1/2" | __ | __ | 1 5/16" | Brass | Gold | Yes | IP65 | 00000000 | 000000 |
Plastic Actuator with Screw Terminals | ||||||||||||||||||
Round | ||||||||||||||||||
| A | Black | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 30 V AC/30 V DC | 30V AC 30V DC | 1 3/4" | __ | __ | 5/8" | Brass | Gold | Yes | __ | 0000000 | 00000 |
| A | Black | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 30 V AC/30 V DC | 30V AC 30V DC | 2 1/4" | __ | __ | 5/8" | Brass | Gold | Yes | __ | 0000000 | 00000 |
Rectangular | ||||||||||||||||||
| B | Black | 2 | 1 Off (Normally Open) | Springs Back (Momentary) | 4 | SPST-NO | 3 A @ 30 V AC/30 V DC | 30V AC 30V DC | __ | 4 3/4" | 1 5/8" | 3/4" | Brass | Gold | Yes | __ | 0000000 | 00000 |
| C | Black | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 30 V AC/30 V DC | 30V AC 30V DC | __ | 2 3/4" | 1" | 3/4" | Anodized Aluminum | Gold | Yes | __ | 0000000 | 00000 |
| C | Black | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 30 V AC/30 V DC | 30V AC 30V DC | __ | 2 3/4" | 1" | 3/4" | Anodized Aluminum | Gray | Yes | __ | 0000000 | 00000 |
| D | White | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 30 V AC/30 V DC | 30V AC 30V DC | __ | 2 3/4" | 3/4" | 5/8" | Plastic | Black | Yes | __ | 0000000 | 00000 |
| D | White | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 30 V AC/30 V DC | 30V AC 30V DC | __ | 2 3/4" | 3/4" | 5/8" | Plastic | Gold | Yes | __ | 0000000 | 00000 |
| D | White | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 30 V AC/30 V DC | 30V AC 30V DC | __ | 2 3/4" | 3/4" | 5/8" | Plastic | Gray | Yes | __ | 0000000 | 00000 |
| D | White | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 30 V AC/30 V DC | 30V AC 30V DC | __ | 2 3/4" | 3/4" | 5/8" | Plastic | White | Yes | __ | 0000000 | 00000 |
Plastic Actuator with Screw Terminals—Illuminated | ||||||||||||||||||
Rectangular | ||||||||||||||||||
| C | White | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 16 V AC/16 V DC | 16V DC 16V AC | __ | 2 3/4" | 1" | 3/4" | Anodized Aluminum | Gold | Yes | __ | 0000000 | 00000 |
| C | White | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 16 V AC/16 V DC | 16V DC 16V AC | __ | 2 3/4" | 1" | 3/4" | Anodized Aluminum | Gray | Yes | __ | 00000000 | 00000 |
| D | White | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 16 V AC/16 V DC | 16V DC 16V AC | __ | 2 3/4" | 3/4" | 5/8" | Plastic | Black | Yes | __ | 0000000 | 00000 |
| D | White | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 16 V AC/16 V DC | 16V DC 16V AC | __ | 2 3/4" | 3/4" | 5/8" | Plastic | Gold | Yes | __ | 0000000 | 00000 |
| D | White | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 16 V AC/16 V DC | 16V DC 16V AC | __ | 2 3/4" | 3/4" | 5/8" | Plastic | Gray | Yes | __ | 0000000 | 00000 |
| D | White | 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | 3 A @ 16 V AC/16 V DC | 16V DC 16V AC | __ | 2 3/4" | 3/4" | 5/8" | Plastic | White | Yes | __ | 0000000 | 00000 |
Low-Voltage 16 mm Panel-Mount Push-Button Switches
Flush with Hex Nut
Projecting with Hex Nut
Projecting Snap-In
Operate low-voltage devices such as doorbells and buzzers.
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 | Each | |
Metal Base with Screw Terminals | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Flush with Hex Nut | |||||||||||
| 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | White | 10 A @ 24 V AC, 2 A @ 24 V DC | 48V AC 48V DC | 3/4" | 7/8" | 00000000 | 000000 |
Projecting with Hex Nut | |||||||||||
| 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | White | 10 A @ 24 V AC, 2 A @ 24 V DC | 48V AC 48V DC | 3/4" | 15/16" | 00000000 | 00000 |
Projecting Snap In | |||||||||||
| 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 2 | SPST-NO | White | 3 A @ 30 V AC/30 V DC | 30V AC 30V DC | 3/4" | 13/16" | 00000000 | 0000 |
Low-Voltage 19 mm Panel-Mount Push-Button Switches
Operate low-voltage devices that require less than 48 volts, such as doorbells and buzzers. These switches have one input terminal and three output terminals to control up to three devices at once.
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 | Each | |
Metal Base with Screw Terminals | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Snap In | |||||||||||
| 1 | 1 Off (Normally Open) | Springs Back (Momentary) | 4 | SPST-NO | Black | 4 A @ 24 V AC, 1 A @ 24 V DC | 48V AC 48V DC | 1" | 1 1/16" | 00000000 | 000000 |