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D4B-4A11N

Safety Limit Switch

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General load, IP67, Slow action, 2NC, Roller lever, M20, Front mounting

Actuator Roller lever
Operating mechanism Slow action
Contact form 2NC
Degree of protection IP67

Item list of D4B-[]N

  • Ratings / Performance
Operating mechanismSlow action
ctuatorRoller lever 17.5 dia. x 7
Resin roller
R31.5
Frequency50/60 Hz
Contact form2NC
LoadGeneral load
Ratings (AC): Non-Inductive loadResistive load: 10 A at 125 VAC/10 A at 250 VAC/10 A at 400 VAC
Lamp load (NC): 3 A at 125 VAC/2 A at 250 VAC/1.5 A at 400 VAC
Lamp load (NO): 1.5 A at 125 VAC/1 A at 250 VAC/0.8 A at 400 VAC
Inductive load: 10 A at 125 VAC/10 A at 250 VAC/3 A at 400 VAC
Motor load (NC): 5 A at 125 VAC/3 A at 250 VAC/1.5 A at 400 VAC
Motor load (NO): 2.5 A at 125 VAC/1.5 A at 250 VAC/0.8 A at 400 VAC
Ratings (DC): Non-Inductive loadResistive load: 10 A at 8 VDC/10 A at 14 VDC/6 A at 30 VDC/0.8 A at 125 VDC/0.4 A at 250 VDC
Lamp load (NC): 6 A at 8 VDC/6 A at 14 VDC/4 A at 30 VDC/0.2 A at 125 VDC/0.1 A at 250 VDC
Lamp load (NO): 3 A at 8 VDC/3 A at 14 VDC/3 A at 30 VDC/0.2 A at 125 VDC/0.1 A at 250 VDC
Inductive load: 10 A at 8 VDC/10 A at 14 VDC/6 A at 30 VDC/0.8 A at 125 VDC/0.4 A at 250 VDC
Motor load: 6 A at 8 VDC/6 A at 14 VDC/4 A at 30 VDC/0.2 A at 125 VDC/0.1 A at 250 VDC
Inrush current30 A max.
ConduitM20
Earth terminalWith ground terminal
Ambient temperatureOperating: -40 to 80 ℃ (with no icing)
Ambient humidity95% RH 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)25 mΩ max.
Insulation resistanceBetween each terminal of the same polarities: 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: 4 kV
Between each terminaland ground: 4 kV
Between each terminal of the different polarities: 4 kV
DurabilityElectrical: 500,000 operations min. (10 A at 250 VAC)
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 ground terminal)
Operating Force (OF)Standard value 9.41 N max.
Release Force (RF)Standard value 1.47 N min.
Pre-Travel (PT)Standard value 21±3 °
Over-Travel (OT)Standard value 50 ° min.
Total Travel (TT)Reference value 75 °
Direct Opening ForceStandard value 19.61 N min.
Direct Opening TravelStandard value 35 ° min.
  • Dimensions

Mounting hole dimensions

  • Circuits configuration

Series

Safety Limit Switch

D4B-[]N