Actuator Style Actuator Style |
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| Roller Lever | Plunger |
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| Key | Roller Plunger |
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| Wobble Stick | Rod |
Switching Voltage Switching Voltage | Show |
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Switching Voltage Switching Voltage | Hide |
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Wire Connection Type Wire Connection Type |
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 | Screw Terminals |
Switch Action Switch Action |
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Switch Starting Position Switch Starting Position |
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Number of Terminals Number of Terminals |
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Industry Designation Industry Designation |
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Number of Positions Number of Positions |
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System of Measurement System of Measurement |
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Keying Keying |
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Actuation Force Actuation Force |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Choosing an Electrical Switch
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About Relays
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Washdown 3/4" Panel-Mount Key Switches
Rated NEMA 4, these switches are protected from washdowns. They require a key to turn circuits on or off, limiting access to sensitive equipment.
Keyed alike switches all open with the same key.
Keyed differently switches each open with a unique key.
For technical drawings and 3-D models, click on a part number.
Key Switches | |||||||||||||||
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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 Keys Included | Removal Position | Environmental Rating | Each | Each | ||
2 Position with Metal Base | |||||||||||||||
Keyed Alike with Screw Terminals | |||||||||||||||
| 2 | 1 Off (Normally Open) and 1 On (Normally Closed) | Stays Switched (Maintained) | 4 | DPST-1NO/1NC | 10 A @ 300 V AC/24 V DC | 24V DC 300V AC | 7/8" | 1 7/8" | 2 | Center, Right | NEMA 4, IP66 | 0000000 | 000000 | 000000 | 00000 |
Keyed Differently with Screw Terminals | |||||||||||||||
| 2 | 1 Off (Normally Open) and 1 On (Normally Closed) | Stays Switched (Maintained) | 4 | DPST-1NO/1NC | 10 A @ 300 V AC/24 V DC | 24V DC 300V AC | 7/8" | 1 7/8" | 2 | Center, Right | NEMA 4, IP66 | 0000000 | 00000 | 000000 | 0000 |
Wet-Location Limit Switches
Rated IP67, these switches are protected from temporary submersion. When an object in motion comes into contact with the actuator, it sends a signal to open or close a circuit. They’re often used on conveyor systems and elevators.
Styles D and E have an actuator that allows you to adjust its height, making it easier to align switch with the target during installation.
For technical drawings and 3-D models, click on a part number.
Housing | |||||||||||||||||
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| Style | No. of Circuits Controlled | Switch Starting Position | Switch Action | Industry Designation | Switching Current @ Voltage | Max. Voltage | Operating Temp. Range, °F | Actuator Ht. | Wire Connection Type | No. of Terminals | Lg. | Ht. | Dp. | Housing Material | Conduit Trade Size | Each | |
Plunger Actuator Style | |||||||||||||||||
| A | 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | 10 A @ 300 V AC, 6 A @ 24 V DC | 300V AC 250V DC | 14° to 176° | 1.1" | Screw Terminals | 4 | 1.6" | 2.7" | 1.6" | Aluminum | 1/2 | 0000000 | 000000 |
Roller Plunger Actuator Style | |||||||||||||||||
| B | 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | 10 A @ 300 V AC, 6 A @ 24 V DC | 300V AC 250V DC | 14° to 176° | 1.6" | Screw Terminals | 4 | 1.6" | 2.7" | 1.6" | Aluminum | 1/2 | 0000000 | 00000 |
Roller Lever Actuator Style | |||||||||||||||||
| C | 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | 10 A @ 300 V AC, 6 A @ 24 V DC | 300V AC 250V DC | 14° to 176° | 2.2" | Screw Terminals | 4 | 1.6" | 2.7" | 1.6" | Aluminum | 1/2 | 0000000 | 00000 |
| D | 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | 10 A @ 300 V AC, 6 A @ 24 V DC | 300V AC 250V DC | 14° to 176° | 1.7"-4.2" | Screw Terminals | 4 | 1.6" | 2.7" | 1.6" | Aluminum | 1/2 | 0000000 | 00000 |
Rod Actuator Style | |||||||||||||||||
| E | 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | 10 A @ 300 V AC, 6 A @ 24 V DC | 300V AC 250V DC | 14° to 176° | 1.4"-5.9" | Screw Terminals | 4 | 1.6" | 2.7" | 1.6" | Aluminum | 1/2 | 0000000 | 00000 |
Wobble Stick Actuator Style | |||||||||||||||||
| F | 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | 10 A @ 300 V AC, 6 A @ 24 V DC | 300V AC 250V DC | 14° to 176° | 5.3" | Screw Terminals | 4 | 1.6" | 2.7" | 1.6" | Aluminum | 1/2 | 0000000 | 00000 |
Compact Safety Limit Switches
Shorter and thinner than other safety limit switches, these are sized to fit tight spaces. They protect machinery and ensure the safety of personnel. Positive-force contacts open the circuit when actuated, even if a spring fails or the contacts stick. When an object in motion comes into contact with the actuator, it sends a signal to open or close a circuit. They’re often used on conveyor systems and bin filling operations. All are NEMA and IP rated for protection from washdowns.
Styles E and F have an actuator that allows you to adjust its height, making it easier to align switch with the target during installation.
NEMA 13 and IP67 rated switches are protected from oil/coolant spraying and temporary submersion.
For technical drawings and 3-D models, click on a part number.
Housing | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Style | No. of Circuits Controlled | Switch Starting Position | Switch Action | Industry Designation | Switching Current @ Voltage | Max. Voltage | Operating Temp. Range, °F | Actuator Ht. | Wire Connection Type | Lg. | Ht. | Dp. | Housing Material | Environmental Rating | Each | |
Plunger Actuator Style | ||||||||||||||||
| A | 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | 10 A @ 300 V AC, 10 A @ 250 V DC | 300V AC 250V DC | -40° to 185° | 0.7" | Screw Terminals | 1.2" | 2.4" | 1.2" | Zinc | NEMA 4, NEMA 13, IP66, IP67 | 0000000 | 000000 |
Roller Plunger Actuator Style | ||||||||||||||||
| B | 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | 10 A @ 300 V AC, 10 A @ 250 V DC | 300V AC 250V DC | -40° to 185° | 1.1" | Screw Terminals | 1.2" | 2.4" | 1.2" | Zinc | NEMA 4, NEMA 13, IP66, IP67 | 0000000 | 00000 |
Roller Lever Actuator Style | ||||||||||||||||
| D | 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | 10 A @ 300 V AC, 10 A @ 250 V DC | 300V AC 250V DC | -40° to 185° | 2.1" | Screw Terminals | 1.2" | 2.4" | 1.2" | Zinc | NEMA 4, NEMA 13, IP66, IP67 | 0000000 | 00000 |
| E | 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | 10 A @ 300 V AC, 10 A @ 250 V DC | 300V AC 250V DC | -40° to 185° | 0.9"-3" | Screw Terminals | 1.2" | 2.4" | 1.2" | Zinc | NEMA 4, NEMA 13, IP66, IP67 | 0000000 | 00000 |
Long-Life Medium-Current Relays
With no moving parts, these solid state relays have an extended service life.
Heat sinks can be used to disperse heat to increase the relay’s current rating. Mount to 35 mm DIN rail or flat surfaces. Before mounting one-circuit relays, silicone compound should be applied between the heat sink and relay.
Relays | ||||||||||||
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Switching Current | Heat Sinks | |||||||||||
| Number of Terminals | Input Voltage | Without Heat Sink | With Heat Sink | Switching Voltage | Ht. | Wd. | Dp. | Specifications Met | Each | Each | ||
1 Circuit Controlled with 1 Off (Normally Open)—SPST-NO | ||||||||||||
With High-Starting-Current Protection | ||||||||||||
| 4 | 70-140V AC | 7.5A | 25A | 300V AC | 2.3" | 1.8" | 1.1" | C-UL Recognized Component UL Recognized Component | 0000000 | 000000 | 0000000 | 0000000 |
| 4 | 3-30V AC/3-30V DC | 7.5A | 25A | 300V AC | 2.3" | 1.8" | 1.1" | C-UL Recognized Component UL Recognized Component | 0000000 | 00000 | 0000000 | 000000 |
1 Circuit Controlled with 1 On (Normally Closed)—SPST-NC | ||||||||||||
With High-Starting-Current Protection | ||||||||||||
| 4 | 70-140V AC | 7.5A | 25A | 300V AC | 2.3" | 1.8" | 1.1" | C-UL Recognized Component UL Recognized Component | 0000000 | 00000 | 0000000 | 000000 |
| 4 | 3-30V AC/3-30V DC | 7.5A | 25A | 300V AC | 2.3" | 1.8" | 1.1" | C-UL Recognized Component UL Recognized Component | 0000000 | 00000 | 0000000 | 000000 |
| Silicone Compound for One-Circuit Relays (8 oz.) | 00000000 | Each | 000000 |