TEMCo CN0051 Adjustable Rod Arm Limit Switch - 3 Qty NC NO CNC Mill Plasma Router Lathe

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CN0051 (3x CN0012)
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Snap action contacts. 5 Year Warranty.
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TEMCo IDCN0051 (3x CN0012)
Lot Quantity3
Frame FormatCompact
Actuator TypeAdjustable rod arm
Contact StructureSnap action
Contact ActionDPDT
Contact MaterialSilver cadmium oxide
Voltage (withstanding)Open contacts: 1000V 50/60 Hz 1 min, Between chassis and contacts: 2000V 50/60Hz 1 min
Max Voltage (AC)250
Max Voltage (DC)125
Rated Current (AC)5
Rated Current (DC)0.4
Frequency (Hz)50/60
Insulation Resistance100 MΩ min. (tested at 500VDC)
Shock ResistanceFree state: under 98m/s² (10 G), Full load state: Under 294 m/s² (30 G)
Vibration Resistance10 - 55 Hz, 1.5 mm double amplitude
Mechanical Life (overtravel OT)10,000,000 operations min (on-off frequency of 50 operations/min)
Electrical Life (Resistance Load)300,000 operations min (at full load), 5,000,000 operations min (Electromagnetic Contactor loading)
Ambient Temperature-20°C to +60°C (without frost or condensation)
HumidityUnder 95% (about +5 to 20°C)
Max On-Off Frequency120
Operating Force (gf)200-800
Length (in)1.77
Width (in)1.1
Height (in)5.31
Weight (lb)1.31
Warranty5 Years
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Data Sheet
(Size: 132.7 KB)
Dimensional Diagram
(Size: 556.5 KB)
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Compact limit switch with adjustable rod arm style actuator. Adjustable arm rotates 95 degrees in either direction. Arm pivot axis may be reoriented in four possible 90 degree positions. Integrated rubber strain relief. Switch includes 1 NO and 1 NC contact set (rated 5A, 250V). Convenient hole pattern measurements marked into back of frame. Gasketed body is water oil and dust resistant.


  • High shock and vibration resistance allows for use in tough applications.
  • Rigid aluminum frame ensures triggering accuracy over time.
  • Snap action contacts.
  • Silver Cadmium Oxide Contacts are rated for 10,000,000 operations.
  • Convenient hole pattern measurements marked into back of frame.
  • Gasketed body is water, oil, and dust resistant.
  • 5 Year Warranty from an American name. NON-GENERIC.
  • Get it FAST. Most orders received in 2 to 5 days.

Limit Switch Configurations
Frequently Bought Together
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