Small Safety Limit Switch


High sensitivity, General load/Micro load, IP67, Slow action, 4NC, Roller plunger, UL2464 3 m Underside

Actuator Roller plunger
Contact form 4NC
Cable specifications UL2464、3 m
Degree of protection IP67

Item list of D4F

  • Ratings / Performance
Service lifeGeneral type
Operating mechanismSlow action
ctuatorRoller plunger 12 dia. x 4.4
Sintered stainless steel roller
Frequency50/60 Hz
Contact form4NC
LoadGeneral load/Micro load
Earth terminalWith earth wire
Cable specificationsUL2464、3 m
公称断面積: AWG22
仕上り径: 8.3 mm
引き出し方向: Underside
Ambient temperature使用時: -30 to 70℃
Ambient humidity95% max.
Permissible operating speed1 mm/s to 0.5 m/s
Permissible operating frequencyElectrical: 30 operations / 1 minute max.
Mechanical: 120 operations / 1 minute max.
Contact resistance (Initial value)500 mΩ max. (voltage drop method at 5 to 8 VDC, 0.1 A)
Insulation resistanceBetween each terminal of the same polarities: 100 MΩ min.
Between each terminal of the different polarities: 100 MΩ min.
Between live-metallic part and ground: 100 MΩ min.
Between each terminal and non-live-metallic part: 100 MΩ min.
at 500 VDC
Impulse withstand voltageBetween each terminal of the same polarities: 2.5 kV
Between each terminal of the different polarities: 4 kV
Between each terminaland ground: 4 kV
DurabilityElectrical: 150,000 operations min. (1 A at 125 VAC, 2 circuits, 4 mA at 24 VDC, 2 circuits)
Electrical: 1,000,000 operations min. (4 mA at 24 VDC, 4 circuits)
Mechanical: 10 million operations min.
Vibration resistanceMalfunction: 10 to 55 Hz, 0.75 mm single amplitude
Shock resistanceDestruction: 1000 m/s**2 min.
Malfunction: 300 m/s**2 min.
Pollution degree3 (EN60947-5-1)
Degree of protectionIP67
Classification of protection against electric shockClass I (with earth wire)
Operating Force (OF)Standard value 12 N max.
Release Force (RF)Standard value 1.5 N min.
Over-Travel (OT)Standard value 3.2 mm min.
Total Travel (TT)Reference value 4.5 mm
  • Dimensions

Mounting hole dimensions

  • Circuits configuration


Small Safety Limit Switch


about this Product