Choosing a Proximity Switch
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Choosing an Electrical Switch
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DC Metallic-Object Proximity Switches for Long Distances
Micro
M12 Plug
Sense objects from farther away than with other proximity switches that have the same diameter. Also known as inductive proximity switches, they remotely sense metallic objects even if they’re obscured by water, oil, dirt, or a surface finish. Sensing distance is based on the type of material being sensed. The distance listed is for mild steel. They’re often used with programmable logic controllers (PLCs) and produce PNP signal output. Some automatically sense whether PNP or NPN signal output is needed.
Flush switches, also known as embeddable or shielded switches, can be mounted so that the sensor face is level with the surface of any material, including metal. They’re more accurate than projecting switches at close range and can be mounted close together without causing interference.
Projecting switches, also known as non-embeddable or unshielded switches, must be mounted with the area around the sensor face free of metal. They have a longer sensing distance than flush switches with the same diameter.
Switches with a 4-pole Micro M12 plug connect to cables with a socket (sold separately), allowing you to quickly connect and disconnect the switch.
All are rated IP69K for protection from high-temperature, high-pressure washdowns. Some are also rated NEMA 6P, 13, and IP67 for protection from corrosion, oil/coolant spraying, and temporary submersion.
Also available: If you don’t see the switch you need, please select 6693T999 and specify manufacturer and manufacturer part number.
For technical drawings and 3-D models, click on a part number.
Switches | Cables with Sockets | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Switch Starting Position | Max. Sensing Distance, mm | Dia., mm | Signal Output Type | Input Voltage  | No. of Wire Leads | Lg., mm | Cable Lead Lg., ft. | Temperature Range, °F | Environmental Rating | Each | Each | ||
Stainless Steel Housing with Plastic Face | |||||||||||||
Flush with Wire Leads | |||||||||||||
| 1 Off (Normally Open) | 8 | 18 | PNP/NPN | 6V DC-48V DC | 3 | 66 | 6 1/2 | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | 0000000 | 0000000 | 000000 | 00 |
| 1 Off (Normally Open) | 15 | 30 | PNP/NPN | 6V DC-48V DC | 3 | 71 | 6 1/2 | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | 0000000 | 000000 | 000000 | 00 |
Flush with 4-Pole Micro M12 Plug | |||||||||||||
| 1 Off (Normally Open) | 4 | 12 | PNP/NPN | 6V DC-48V DC | __ | 77 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | 0000000 | 000000 | 0000000 | 000000 |
| 1 Off (Normally Open) | 8 | 18 | PNP/NPN | 6V DC-48V DC | __ | 69 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | 0000000 | 000000 | 0000000 | 00000 |
| 1 Off (Normally Open) | 15 | 30 | PNP/NPN | 6V DC-48V DC | __ | 74 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | 0000000 | 000000 | 0000000 | 00000 |
Projecting with Wire Leads | |||||||||||||
| 1 Off (Normally Open) | 10 | 12 | PNP/NPN | 6V DC-48V DC | 3 | 73 | 6 1/2 | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | 0000000 | 000000 | 000000 | 00 |
| 1 Off (Normally Open) | 16 | 18 | PNP/NPN | 6V DC-48V DC | 3 | 66 | 6 1/2 | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | 0000000 | 000000 | 000000 | 00 |
| 1 Off (Normally Open) | 29 | 30 | PNP/NPN | 6V DC-48V DC | 3 | 71 | 6 1/2 | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | 0000000 | 000000 | 000000 | 00 |
Projecting with 4-Pole Micro M12 Plug | |||||||||||||
| 1 Off (Normally Open) | 10 | 12 | PNP/NPN | 6V DC-48V DC | __ | 77 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | 0000000 | 000000 | 0000000 | 00000 |
| 1 Off (Normally Open) | 16 | 18 | PNP/NPN | 6V DC-48V DC | __ | 69 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | 0000000 | 000000 | 0000000 | 00000 |
| 1 Off (Normally Open) | 29 | 30 | PNP/NPN | 6V DC-48V DC | __ | 74 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | 0000000 | 000000 | 0000000 | 00000 |
Projecting with 4-Pole Micro M12 Plug, Computer Cord, and Software | |||||||||||||
| 1 Off (Normally Open) | 10 | 12 | PNP/NPN | 6V DC-48V DC | __ | 77 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | 0000000 | 000000 | 0000000 | 00000 |
AC Metallic-Object Proximity Switches for Long Distances
Micro
M12 Plug
Sense objects from farther away than with other proximity switches that have the same diameter. Also known as inductive proximity switches, they remotely sense metallic objects even if they’re obscured by water, oil, dirt, or a surface finish. Sensing distance is based on the type of material being sensed. The distance listed is for mild steel. All are rated NEMA 6P, 13, IP67 and IP69K.
Flush switches, also known as embeddable or shielded switches, can be mounted so that the sensor face is level with the surface of any material, including metal. They’re more accurate than projecting switches at close range and can be mounted close together without causing interference.
Projecting switches, also known as non-embeddable or unshielded switches, must be mounted with the area around the sensor face free of metal. They have a longer sensing distance than flush switches with the same diameter.
Switches with a 3-pole Micro M12 plug connect to cables with a socket (sold separately), allowing you to quickly connect and disconnect the switch.
Also available: If you don’t see the switch you need, please select 6693T999 and specify manufacturer and manufacturer part number
For technical drawings and 3-D models, click on a part number.
Switches | Cables with Socket | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Switch Starting Position | Dia., mm | Max. Sensing Distance, mm | Input Voltage | Current Output | No. of Wire Leads | Lg., mm | Cable Lead Lg., ft. | Temp. Range, °F | Environmental Rating | Specifications Met | Each | Each | ||
Stainless Steel Housing with Plastic Face | ||||||||||||||
Flush with Wire Leads | ||||||||||||||
| 1 Off (Normally Open) | 12 | 4 | 20V AC-132V AC | 200mA | 2 | 73 | 6 1/2 | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | UL Listed, C-UL Listed, CE Marked | 0000000 | 0000000 | 000000 | 00 |
| 1 Off (Normally Open) | 18 | 8 | 20V AC-132V AC | 200mA | 2 | 66 | 6 1/2 | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | UL Listed, C-UL Listed, CE Marked | 0000000 | 000000 | 000000 | 00 |
| 1 Off (Normally Open) | 30 | 15 | 20V AC-132V AC | 200mA | 2 | 71 | 6 1/2 | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | UL Listed, C-UL Listed, CE Marked | 0000000 | 000000 | 000000 | 00 |
Flush with 3-Pole Micro M12 Plug | ||||||||||||||
| 1 Off (Normally Open) | 12 | 4 | 20V AC-132V AC | 200mA | __ | 77 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | UL Listed, C-UL Listed, CE Marked | 0000000 | 000000 | 000000 | 00 |
| 1 Off (Normally Open) | 18 | 8 | 20V AC-132V AC | 200mA | __ | 69 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | UL Listed, C-UL Listed, CE Marked | 0000000 | 000000 | 0000000 | 000000 |
| 1 Off (Normally Open) | 30 | 15 | 20V AC-132V AC | 200mA | __ | 74 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | UL Listed, C-UL Listed, CE Marked | 0000000 | 000000 | 0000000 | 00000 |
Projecting with Wire Leads | ||||||||||||||
| 1 Off (Normally Open) | 12 | 10 | 20V AC-132V AC | 200mA | 2 | 73 | 6 1/2 | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | UL Listed, C-UL Listed, CE Marked | 0000000 | 000000 | 000000 | 00 |
| 1 Off (Normally Open) | 18 | 18 | 20V AC-132V AC | 200mA | 2 | 66 | 6 1/2 | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | UL Listed, C-UL Listed, CE Marked | 0000000 | 000000 | 000000 | 00 |
| 1 Off (Normally Open) | 30 | 29 | 20V AC-132V AC | 200mA | 2 | 71 | 6 1/2 | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | UL Listed, C-UL Listed, CE Marked | 0000000 | 000000 | 000000 | 00 |
Projecting with 3-Pole Micro M12 Plug | ||||||||||||||
| 1 Off (Normally Open) | 12 | 10 | 20V AC-132V AC | 200mA | __ | 77 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | UL Listed, C-UL Listed, CE Marked | 0000000 | 000000 | 0000000 | 00000 |
| 1 Off (Normally Open) | 18 | 18 | 20V AC-132V AC | 200mA | __ | 69 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | UL Listed, C-UL Listed, CE Marked | 0000000 | 000000 | 0000000 | 00000 |
| 1 Off (Normally Open) | 30 | 29 | 20V AC-132V AC | 200mA | __ | 74 | __ | -40° to 155° | NEMA 6P, NEMA 13, IP67, IP69K | UL Listed, C-UL Listed, CE Marked | 0000000 | 000000 | 0000000 | 00000 |
Space-Saving Photoelectric Switches
Micro
M12 Plug
With a narrow, flat body, these switches fit in tight spaces. They detect the presence or absence of an object moving at high speeds with a light beam. Adjust the intensity of the light beam to better detect shiny or translucent objects. All are rated NEMA 4X, 13, and IP67 for protection from corrosion, oil/coolant spraying, washdowns, and temporary submersion.
Direct sensing switches detect objects when light reflects back from the object. The transmitter and receiver are in the same housing, so they fit in confined spaces.
Receiver switches detect objects when an object breaks the light beam between the transmitter and receiver (both included). They have a longer sensing distance than direct-sensing and reflector switches.
Reflector switches detect an object when it passes between the switch and the reflector, interrupting the beam. They have a longer sensing distance than direct-sensing switches.
Switches with DC input voltage automatically produce either PNP or NPN signal output, based on the device they are connected to.
Switches with a plug connect to cables with a socket (sold separately), allowing you to quickly connect and disconnect the switch.
For technical drawings and 3-D models, click on a part number.
| Light Beam Switch Operation | Max. Sensing Distance | Dia., mm | Input Voltage | Current Output | Signal Output Type | Lg. | Ht. | Wd. | Housing Material | Reflector Dia. | Temperature Range, °F | Each | |
With Wire Leads | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Direct Sensing Switch with Infrared Light Beam | |||||||||||||
| On When Object Absent, On When Object Present | 15" | 18 | 10V DC-30V DC | 100mA | PNP/NPN | 2 1/8" | 1 3/16" | 1/2" | Plastic | __ | 0° to 155° | 000000 | 0000000 |
| On When Object Absent, On When Object Present | 15" | 18 | 24V AC-240V AC | 100mA | __ | 2 5/8" | 1 3/16" | 1/2" | Plastic | __ | 0° to 155° | 000000 | 000000 |
Receiver Switch with Infrared Light Beam | |||||||||||||
| On When Object Absent, On When Object Present | 100ft. | 18 | 10V DC-30V DC | 100mA | PNP/NPN | 2 1/8" | 1 3/16" | 1/2" | Plastic | __ | 0° to 155° | 000000 | 000000 |
| On When Object Absent, On When Object Present | 100ft. | 18 | 24V AC-240V AC | 100mA | __ | 2 5/8" | 1 3/16" | 1/2" | Plastic | __ | 0° to 155° | 000000 | 000000 |
Reflector Switch with Visible Light Beam | |||||||||||||
| On When Object Absent, On When Object Present | 10ft. | 18 | 10V DC-30V DC | 100mA | PNP/NPN | 2 1/8" | 1 3/16" | 1/2" | Plastic | 3 5/16" | 0° to 155° | 000000 | 000000 |
| On When Object Absent, On When Object Present | 10ft. | 18 | 24V AC-240V AC | 100mA | __ | 2 5/8" | 1 3/16" | 1/2" | Plastic | 3 5/16" | 0° to 155° | 000000 | 000000 |
Switches | Cables with Plugs | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Light Beam Switch Operation | Max. Sensing Distance | Dia., mm | Input Voltage | Current Output | Signal Output Type | Lg. | Ht. | Wd. | Housing Material | Reflector Dia. | Temperature Range, °F | Each | Each | ||
With 3-Pole Micro 1/2"-20 UNF Plug | |||||||||||||||
Direct Sensing Switch with Infrared Light Beam | |||||||||||||||
| On When Object Absent, On When Object Present | 15" | 18 | 24V AC-240V AC | 100mA | __ | 3 5/16" | 1 3/16" | 1/2" | Plastic | __ | 0° to 155° | 000000 | 0000000 | 0000000 | 000000 |
Receiver Switch with Infrared Light Beam | |||||||||||||||
| On When Object Absent, On When Object Present | 100ft. | 18 | 24V AC-240V AC | 100mA | __ | 3 5/16" | 1 3/16" | 1/2" | Plastic | __ | 0° to 155° | 000000 | 000000 | 0000000 | 00000 |
Reflector Switch with Visible Light Beam | |||||||||||||||
| On When Object Absent, On When Object Present | 10ft. | 18 | 24V AC-240V AC | 100mA | __ | 3 5/16" | 1 3/16" | 1/2" | Plastic | 3 5/16" | 0° to 155° | 000000 | 000000 | 0000000 | 00000 |
With 4-Pole Micro M12 Plug | |||||||||||||||
Direct Sensing Switch with Infrared Light Beam | |||||||||||||||
| On When Object Absent, On When Object Present | 15" | 18 | 10V DC-30V DC | 100mA | PNP/NPN | 2 7/8" | 1 3/16" | 1/2" | Plastic | __ | 0° to 155° | 0000000 | 000000 | 0000000 | 00000 |
Receiver Switch with Infrared Light Beam | |||||||||||||||
| On When Object Absent, On When Object Present | 100ft. | 18 | 10V DC-30V DC | 100mA | PNP/NPN | 2 7/8" | 1 3/16" | 1/2" | Plastic | __ | 0° to 155° | 0000000 | 000000 | 0000000 | 00000 |
Reflector Switch with Visible Light Beam | |||||||||||||||
| On When Object Absent, On When Object Present | 10ft. | 18 | 10V DC-30V DC | 100mA | PNP/NPN | 2 7/8" | 1 3/16" | 1/2" | Plastic | 3 5/16" | 0° to 155° | 0000000 | 000000 | 0000000 | 00000 |
Light Beam Finger-Touch Switches
An infrared light beam senses the lightest finger contact to switch a circuit on or off. The included guard prevents accidental activation. An indicator lights up to confirm that switches are actuated. They’re rated NEMA 4X, 13, and IP66 for protection from corrosion, washdowns, and oil/coolant spraying.
Switches with a 5-pole mini plug can quickly be changed out.
For technical drawings and 3-D models, click on a part number.
Wire Leads | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Circuits Controlled | Switch Starting Position | Switch Action | Industry Designation | Actuator Color | Switching Current @ Voltage | Current Output, mA | Input Voltage | Dp. Behind Panel | No. of | Ga. | Features | Each | |
Plastic Actuator with Wire Leads | |||||||||||||
For 30 mm Panel Cutout Dia. | |||||||||||||
| 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | Black | 7 A @ 120 V AC | __ | 120V AC | 3/4" | 5 | 22 | Guard Output Indicator Power Indicator | 00000000 | 0000000 |
| 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | Black | 7 A @ 120 V AC | __ | 20V AC-30V AC/20V DC-30V DC | 3/4" | 5 | 22 | Guard Output Indicator Power Indicator | 00000000 | 000000 |
Plastic Actuator with Wire Leads and NPN Output | |||||||||||||
For 30 mm Panel Cutout Dia. | |||||||||||||
| __ | __ | Springs Back (Momentary) | __ | Black | __ | 150 | 10V DC-30V DC | 3/4" | 4 | 22 | Guard Output Indicator Power Indicator | 00000000 | 000000 |
Plastic Actuator with 5-Pole Mini Plug | |||||||||||||
For 30 mm Panel Cutout Dia. | |||||||||||||
| 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | Black | 7 A @ 120 V AC | __ | 120V AC | 1 3/8" | __ | __ | Guard Output Indicator Power Indicator | 00000000 | 000000 |
| 1 | 1 Off (Normally Open) or 1 On (Normally Closed) | Springs Back (Momentary) | SPDT | Black | 7 A @ 120 V AC | __ | 20V AC-30V AC/20V DC-30V DC | 1 3/8" | __ | __ | Guard Output Indicator Power Indicator | 00000000 | 000000 |