WLSD3-LE

Two-circuit Limit Switch/Long-life Two-circuit Limit Switch

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Standard sensitivity, IP67, Snap action, Self-reset mechanism, 2-circuit double break type, SPST-NO / SPST-NC, Side ball plunger

Shape/Structure General-purpose Limit switches
Actuator Side ball plunger
Stainless steel ball
Contact configuration 2-circuit double break type
Load General load
Degree of protection IEC60529 (JEM): IP67
NEMA250: Type3, 4, 13

Item list of WL, WLM

  • Ratings / Performance
Shape/StructureGeneral-purpose Limit switches
Service lifeGeneral type
Operating mechanismSnap action
ActuatorSide ball plunger
Stainless steel ball
Frequency50/60 Hz
Leakage currentApprox. 0.6 to 1.9 mA
Switching mechanismSelf-reset mechanism
Contact configuration2-circuit double break type
Contact formSPST-NO / SPST-NC
LoadGeneral load
Ratings (AC): Non-Inductive loadRated voltage: 125 VAC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 3 A(NC) 1.5 A(NO)
Rated voltage: 250 VAC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 2 A(NC) 1 A(NO)
Ratings (AC): Inductive loadRated voltage: 125 VAC / Inductive load: 10 A(NC) 10 A(NO) / Motor load: 5 A(NC) 2.5 A(NO)
Rated voltage: 250 VAC / Inductive load: 10 A(NC) 10 A(NO) / Motor load: 3 A(NC) 1.5 A(NO)
Inrush currentNC: 30 A
NO: 20 A
IndicatorNeon lump (Possible to change between Light when operating and Light when not operating.)
Voltage: 125 to 250 VAC
Leakage current: Approx. 0.6 to 1.9 mA
Conduit sizeG1/2
Earth terminalWithout ground terminal
Ambient temperatureOperating: -10 to 80 ℃
Ambient humidityOperating: 35 to 95%
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 resistance25 mOhm Max. (Initial value)
(Measuring method is contact resistance meter.)
Insulation resistanceBetween live-metallic part and ground: null MΩ
Between each terminal and non-live-metallic part: null MΩ
(at 500 VDC Megger Without Neon lamp)
Dielectric strengthBetween live-metallic part and ground: null V
Between each terminal and non-live-metallic part: null V
(50/60 Hz for 1 min Without Neon lamp)
Durability (Mechanically)15,000,000 operations Min. (No load)
(Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)
Durability (Electrically)750,000 operations Min. (Resistive load 10 A at 125 VAC)
(Temperature, Humidity conditions: 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 protectionIEC60529 (JEM): IP67
NEMA250: Type3, 4, 13
Mounting specificationFront mounting
Back mounting
Operating Force (OF)Standard value Max. 40.03 N
Release Force (RF)Standard value Min. 8.89 N
Pre-Travel (PT)Standard value 2.8 mm Max.
Over-Travel (OT)Standard value 4 mm Min.
Movement Differential (MD)Standard value 1 mm Max.
Operating Position (OP)Standard value 54.1 +/- 0.8 mm
  • Mounting holes

  • Circuits configuration

Series

Two-circuit Limit Switch/Long-life Two-circuit Limit Switch

WL, WLM

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