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Ratings
Shape / Structure High-precision switches
service life General type
Operating mechanism Slow action
Actuator Plunger
Electrical ratings 10 mA at 24 VAC
10 mA at 12 VDC
Frequency 50/60 Hz
Switching mechanism Self-reset mechanism
Contact configuration Normally Close type
Contact form 1b
Load General load
Cable specifications Oil-resistant cable, 2 cores (1 m)
Diameter: 3 mm dia.
Ambient temperature Operating: -20 CEL to 75 CEL
(with no icing or condensation)
Ambient humidity Operating: 30%RH to 85%RH
(with no icing or condensation)
Characteristics
Operating Position repeat accuracy Standard value: 1 um Max.
Deviation after 1,000,000 operations of Electrical durability 10 um Max.
Temperature index Standard value: +/- 20 * 10-6/ CEL Max. (the deviation rate of the operating position per 1 CEL of ambient temperature)
Permissible operating speed 1 um/s to 0.5 m/s
Permissible operating frequency (Mechanically) 120 operations / 1 minute Max.
Permissible operating frequency (Electrically) 60 operations / 1 minute Max.
Contact resistance 800 m Ohm Max. (Initial value) * Including the resistance of cable.
(Measuring method is contact resistance meter.)
Insulation resistance Between live-metallic part and ground: 100 M Ohm Min.
(at 250 VDC Megger)
Dielectric strength Between live-metallic part and ground: 1,000 VAC
(50/60 Hz for 1 min)
Durability (Mechanically) 10,000,000 operations Min. (No load)
(Temperature, Humidityconditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)
Durability (Electrically) 1,000,000 operations Min. (Resistive load 10 mA at 24 VAC)
(Temperature, Humidityconditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)
Vibration resistance (Malfunction) Vibration frequency range: 10 to 55 Hz, Double amplitude: 1.5 mm, Contact opening: 1 ms Max. at the free position and the total travel position.
Shock resistance (Destruction) 1,000 m/s2
Shock resistance (Malfunction) Contact opening is 1 ms Max. at the free position and the total travel position at 300 m/s2.
Degree of protection IEC60529 (JEM): IP40
Mounting specification Panel mounting
Weight Approx. 128 g
Operating characteristics
Operating Force (OF) Standard value 0.29 N Max.
Over-Travel (OT) Standard value 1.5 mm Min.
Movement Differential (MD) Standard value 5 um Max.
Operating Position (OP) Reference value 2 mm

Precautions for correct use:
Total travel is 1.9 mm to 2.1 mm Max, please set the proper stroke 1.0 mm to 1.5 mm from Free position.

As of March 1, 2008

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As of March 1, 2008