Building Automation


Industrial Automation


Power Automation & Safety

Bangladesh Distributor

D4F-202-3D

Small Safety Limit Switch

Image

High sensitivity, IP67, Slow action, Self-reset mechanism, 2NC, Roller plunger, UL2464 5 cores 3 m

Shape/Structure Safety limit switches
Actuator Roller plunger
12 dia. * 4.4 Sintered stainless steel roller
Load General load / Micro load
Cable specifications UL2464 5 cores (Cable length: 3 m)
Diameter: 8.3 mm
Location of lead output: Underside
Degree of protection IEC60529 (JEM): IP67
NEMA250: Type1, 4, 4X, 13

Item list of D4F

  • Ratings / Performance
Shape/StructureSafety limit switches
Service lifeGeneral type
Operating mechanismSlow action
ActuatorRoller plunger
12 dia. * 4.4 Sintered stainless steel roller
Frequency50/60 Hz
Switching mechanismSelf-reset mechanism
Contact form2NC
LoadGeneral load / Micro load
Protective circuitClassification of protection against electric shock: Class I (with earth wire)
Short-circuit protective device: 10 A fuse type gI or gG (IEC269)
Earth terminalWith earth wire
Cable specificationsUL2464 5 cores (Cable length: 3 m)
Diameter: 8.3 mm
Location of lead output: Underside
Ambient temperatureOperating: -30 to 70 ℃
Ambient humidity使用時: 95%以下
Permissible operating speed1 mm/s to 0.5 m/s
Permissible operating frequency (Mechanically)120 operations / 1 minute Max.
Permissible operating frequency (Electrically)30 operations / 1 minute Max.
Contact resistance500 mOhm Max. (Initial value) * Including the resistance of cable.
(Measuring method is voltage drop method at 5 to 8 VDC, 0.1 A.)
Insulation resistanceBetween each terminal of the same polarities: 100 MΩ
Between each terminal of the different polarities (Between switch terminals): 100 MΩ
Between live-metallic part and ground: 100 MΩ
Between each terminal and non-live-metallic part: 100 MΩ
(at 500 VDC Megger)
Dielectric strengthBetween each terminal of the same polarities: 2100 V
Between each terminal of the different polarities (Between switch terminals): 3500 V
Between live-metallic part and ground: 3500 V
Between each terminal and non-live-metallic part: 3500 V
(VAC. r.m.s.)
Durability (Mechanically)10,000,000 operations Min. (No load)
(Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)
Durability (Electrically)150,000 operations Min. (Resistive load 1 A at 125 VAC, 2 circuits, 4 mA at 24 VDC, 2 circuits) 1,000,000 operations Min. (Resistive load 4 mA at 24 VDC, 4 circuits)
(Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)
Pollution degree3 (EN60947-5-1)
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 protectionIEC60529 (JEM): IP67
NEMA250: Type1, 4, 4X, 13
Mounting specificationFront mounting
Operating Force (OF)Standard value Max. 12 N
Release Force (RF)Standard value Min. 1.5 N
Over-Travel (OT)Standard value 3.2 mm Min.
Total Travel (TT)Reference value 4.5 mm
  • Mounting holes

  • Circuits configuration

Series

Small Safety Limit Switch

D4F

about this Product