Actuator Style Actuator Style |
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![]() | Plunger |
Environment Environment |
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Switch Action Switch Action |
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Switch Starting Position Switch Starting Position |
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Environmental Rating Environmental Rating |
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System of Measurement System of Measurement |
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Switch Type Switch Type |
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Wire Connection Type Wire Connection Type |
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Screw Terminals | Wire Leads |
Mounting Thread Size Mounting Thread Size |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Specifications Met Specifications Met |
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Actuator Material Actuator Material |
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Cable Color Cable Color |
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![]() | Gray |
Housing Diameter Housing Diameter |
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Operating Temperature Range Operating Temperature Range |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Switching Current Switching Current | Show |
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Choosing an Electrical Switch
More
Ultra-Precision Wet-Location Limit Switches

These switches actuate with the slightest push for a high degree of accuracy. All are rated IP67 for protection from wet locations and temporary submersion. They’re often used for determining manufacturing tolerances and detecting minute expansions and contractions.
For technical drawings and 3-D models, click on a part number.
No. of Circuits Controlled | Switch Starting Position | Switch Action | Industry Designation | Switching Current @ Voltage | Max. Voltage | Operating Temp. Range, °F | Actuator Ht., mm | Wire Connection Type | No. of Wire Leads | Cable Lead Lg., ft. | Housing Ht., mm | Housing Material | Actuator Material | Mounting Thread Size | Each | |
1 | 1 On (Normally Closed) | Springs Back (Momentary) | SPST-NC | 50 mA @ 24 V AC, 2 mA @ 15 V DC | 24V AC 15V DC | -4° to 167° | 4 | Wire Leads | 2 | 2.5 | 21 | Nickel-Plated Brass | Ruby | M8 | 0000000 | 0000000 |
Ultra-Precision Limit Switches

These switches actuate with the slightest push for a high degree of accuracy. They’re often used for determining manufacturing tolerances and detecting minute expansions and contractions.
For technical drawings and 3-D models, click on a part number.
No. of Circuits Controlled | Switch Starting Position | Switch Action | Industry Designation | Switching Current @ Voltage | Max. Voltage | Operating Temp. Range, °F | Actuator Ht., mm | Wire Connection Type | No. of Wire Leads | Cable Lead Lg., ft. | Housing Ht., mm | Housing Material | Actuator Material | Mounting Thread Size | Environmental Rating | Each | |
1 | 1 On (Normally Closed) | Springs Back (Momentary) | SPST-NC | 50 mA @ 24 V AC, 2 mA @ 15 V DC | 24V AC 15V DC | -4° to 167° | 11.5 | Wire Leads | 2 | 2 1/2 | 10 | Nickel-Plated Brass | Zirconium Ceramic | M8 | IP50 | 0000000 | 0000000 |
Barriers for Hazardous Location Proximity Switches


Safely transmit power to switches and sensors in highly volatile areas. Commonly used in refineries, power plants, and wastewater-treatment facilities, these barriers use a NAMUR signal to reduce the current and voltage coming from your power supply—preventing sparks and ignition. While these barriers connect to switches in hazardous locations, they must be installed in a separate nonhazardous area, along with the power supply. As associated apparatuses for IECEx and ATEX internationally certified switches, they should be paired with items that have corresponding ratings. Mount to DIN rails inside control cabinets and electrical panels.
Barriers with a relay signal output are slower than those with a transistor output, but they can handle higher AC and DC loads. Because of their moving parts, they wear out quicker than transistors. Use them to turn devices on and off, such as light bulbs and small motors.
For technical drawings and 3-D models, click on a part number.
Inputs | Outputs | ||||||||||
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Operating Voltage | Voltage | Current | No. of | Signal Type | Current | No. of | Signal Type | Switching Frequency | Environmental Rating | Each | |
Plastic Housing | |||||||||||
24V DC | 10V DC | 8mA | 1 | NAMUR | 2 A @ 253 V AC 2 A @ 30 V DC 4 A @ 126 V AC | 2 | Relay | 10 Hz | Associated Apparatus for IEC Zone 0 Groups IIC, IIB, IIA Associated Apparatus for IEC Zone 20 Groups IIIC, IIIB, IIIA IP20 | 0000000 | 0000000 |