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Contact Type
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Your choices are...
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Momentary Contact
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Momentary Contact: These contacts return to their normal state as soon as the actuator passes its release point. Sometimes also called "spring return".
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Maintained Contact
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The contacts remain in the "triggered" position after the actuator has been released. They are reset only by further mechanical action of the operating head.
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Positive Opening
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Also called Positive Breaking Contacts; The contact point opens reliably and remains open in activated position even in the event of mechanical failure, such as breakage of a spring or contact welding.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Orientation
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The orientation of the limit switch actuator is critical when determining sizing requirements.
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Your choices are...
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Top Mounted Actuator
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Side Mounted Actuator
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Enclosed Switch Housing?
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Switch is inside a housing (can be NEMA rated), accessed via conduit.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Switch Type
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Your choices are...
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Electro-mechanical
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Mechanical contacts, relay, reed switch, etc.
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Solid State
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Electronic switch, no moving parts. Typically a Normally Open circuit.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Normal State
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Your choices are...
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Normally Open
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When actuated, the contacts close.
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Normally Closed
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When actuated, the contacts open.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Pole and Throw Specifications
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Your choices are...
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Single Pole, Single Throw (SPST)
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A switch that makes or breaks the connection of a single conductor in a single branch circuit. This switch typically has two terminals. It is commonly referred to as a "Single-Pole" Switch.
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Single Pole, Double Throw (SPDT)
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A switch that makes or breaks the connection of a single conductor with either of two other single conductors. This switch typically has 3 terminals, and is commonly used in pairs and called a "Three-Way" switch.
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Double Pole, Single Throw (DPST)
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A switch that makes or breaks the connection of two circuit conductors in a single branch circuit. This switch typically has four terminals.
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Double Pole, Double Throw (DPDT)
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A switch that makes or breaks the connection of two conductors to two separate circuits. This switch typically has six terminals and is available in both momentary and maintained contact versions.
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Other Type (Special Application)
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Special throw types with more than 2 poles, such as switches designed to split loads into separate circuits (e.g. headlamp switch)
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Maximum Current Rating:
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Maximum current rating for switch.
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Search Logic:
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All matching products will have a value greater than or equal to the specified value.
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Maximum AC Voltage Rating:
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Maximum voltage rating for switch.
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Search Logic:
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All matching products will have a value greater than or equal to the specified value.
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Maximum DC Voltage Rating:
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Maximum voltage rating for switch.
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Search Logic:
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All matching products will have a value greater than or equal to the specified value.
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TTL Compatible?
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TTL Compatible | Switch is designed for use in TTL (Transistor - transistor Logic) circuit.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Movement Direction
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Your choices are...
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Clockwise
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Actuator moves in clockwise direction.
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Counterclockwise
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Actuator moves in counter clockwise direction.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Pre-travel:
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The distance of actuator movement from free (rest) position to operating position.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Total Travel:
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Total physical movement of switch (from rest to beyond actuation point) without damage occurring.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Movement Differential:
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The actuator movement required between operating point to reset point.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Operating Force:
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The force required to depress the switch actuator to operating (trip) position.
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Search Logic:
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All matching products will have a value greater than or equal to the specified value.
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Minimum Return Force:
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Amount of force applied to switch actuator to return switch to inactivated position.
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Search Logic:
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All matching products will have a value greater than or equal to the specified value.
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Repeatability:
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The ability of a switch to accurately repeat performance for a given measurement.
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Search Logic:
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All matching products will have a value less than or equal to the specified value.
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Mechanical Life (Minimum):
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Number of cycles switch can undergo before possible mechanical failure.
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Search Logic:
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All matching products will have a value greater than or equal to the specified value.
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Electrical Life (Minimum):
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Number of cycles switch can undergo before possible electrical failure.
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Search Logic:
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All matching products will have a value greater than or equal to the specified value.
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Connection Options
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There are numerous ways to connect a limit switch into an existing system, please contact manufacturer for more specifics, such as wire options (gauge), materials and coatings.
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Your choices are...
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Integral Cable
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Solder Terminal
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Screw Terminals
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Spade Terminals
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Other
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Self-cleaning Switch Contacts?
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An example would be a wiping contact - where resistance does not build up.
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Search Logic:
|
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Rated for Hazardous Locations?
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Switch is rated for hostile environments.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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CE Certification?
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Device meets CE requirements.
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Search Logic:
|
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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CSA Certification?
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Device has CSA certification.
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Search Logic:
|
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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UL listed?
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Device is rated by Underwriter's Laboratory.
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Search Logic:
|
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Safety Pull or Guard?
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Limit switch can be turned "OFF" or "ON" in emergency situation.
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Search Logic:
|
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Rotatable Head?
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Actuator can be rotated to different positions.
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Search Logic:
|
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Operating Temperature:
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The temperature range over which the device must operate.
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Search Logic:
|
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User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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Part Numbers for Rotary Limit Switches
| Part # |
Distributor |
Manufacturer |
Product Category |
Description |
| EC300410ARO |
PLC Radwell |
ELECTRO CAM
|
Not Provided
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LIMIT SWITCH ROTARY CAM 4OUTPUT RH EXTENSION |
| 3SE03AL16P |
PLC Radwell |
SIEMENS
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Not Provided
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LIMIT SWITCH,SIDE ROTARY,1NO + 1NC |
| CR115E724101AD |
PLC Radwell |
GENERAL ELECTRIC
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Not Provided
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LIMIT SWITCH ROTARY GEARED |
| D4A-1103N |
Newark |
Not Provided
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Limit
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Limit Switch; Switch Function:SPDT; Mounting Type:Conduit; Switch Features:Side Rotary |
| 3SE03BM16PC |
PLC Radwell |
SIEMENS
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Not Provided
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LIMIT SWITCH,SIDE ROTARY,2NO + 2NC |
| EC300410AD0CFX |
PLC Radwell |
ELECTRO CAM
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Not Provided
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LIMIT SWITCH ROTARY CAM ELECTRONIC CONFORMAL COAT |
| GLCA01A4J |
Newark |
HONEYWELL
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Limit
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Limit Switch; Switch Function:SPDT-1NO/1NC; Contact Rating:10A; Operating Force:0.12N; Mounting Type:Conduit; Features:Side Rotary; Port Size:1/2""n; Port Style:NPT; Supply Voltage:300VAC RoHS Compliant: Yes |
| 3SE03AR16PC |
PLC Radwell |
SIEMENS
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Not Provided
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LIMIT SWITCH,SIDE ROTARY,1NO + 1NC |
| GLCA01A2A |
Newark |
HONEYWELL
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Limit
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Limit Switch; Switch Function:SPDT-1NO/1NC; Contact Rating:10A; Operating Force:0.12N; Mounting Type:Conduit; Features:Side Rotary; Port Size:1/2""y; Port Style:NPT; Supply Voltage:300VAC RoHS Compliant: Yes |
| GLDA01A2A |
Newark |
HONEYWELL
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Limit
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Limit Switch; Switch Function:SPDT-1NO/1NC; Contact Rating:10A; Operating Force:0.12N; Mounting Type:Conduit; Features:Side Rotary; Port Size:1/2""h; Port Style:NPT; Supply Voltage:300VAC RoHS Compliant: Yes |
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