WLHAL4

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, Adjustable rod lever

Shape/Structure General-purpose Limit switches
Actuator Adjustable rod lever
Over travel 80 DEG 3.2 dia. Stainless steel rod (U-shape) 350 to 380 mm
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
ActuatorAdjustable rod lever
Over travel 80 DEG 3.2 dia. Stainless steel rod (U-shape) 350 to 380 mm
Frequency50/60 Hz
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)
Rated voltage: 500 VAC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 1.5 A(NC) 0.8 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)
Rated voltage: 500 VAC / Inductive load: 3 A(NC) 3 A(NO) / Motor load: 1.5 A(NC) 0.8 A(NO)
Ratings (DC): Non-Inductive loadRated voltage: 8 VDC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 6 A(NC) 3 A(NO)
Rated voltage: 14 VDC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 6 A(NC) 3 A(NO)
Rated voltage: 30 VDC / Resistive load: 6 A(NC) 6 A(NO) / Lamp load: 4 A(NC) 3 A(NO)
Rated voltage: 125 VDC / Resistive load: 0.8 A(NC) 0.8 A(NO) / Lamp load: 0.2 A(NC) 0.2 A(NO)
Rated voltage: 250 VDC / Resistive load: 0.4 A(NC) 0.4 A(NO) / Lamp load: 0.1 A(NC) 0.1 A(NO)
Ratings (DC): Inductive loadRated voltage: 8 VDC / Inductive load: 10 A(NC) 10 A(NO) / Motor load: 6 A(NC) 6 A(NO)
Rated voltage: 14 VDC / Inductive load: 10 A(NC) 10 A(NO) / Motor load: 6 A(NC) 6 A(NO)
Rated voltage: 30 VDC / Inductive load: 6 A(NC) 6 A(NO) / Motor load: 4 A(NC) 4 A(NO)
Rated voltage: 125 VDC / Inductive load: 0.8 A(NC) 0.8 A(NO) / Motor load: 0.2 A(NC) 0.2 A(NO)
Rated voltage: 250 VDC / Inductive load: 0.4 A(NC) 0.4 A(NO) / Motor load: 0.1 A(NC) 0.1 A(NO)
Inrush currentNC: 30 A
NO: 20 A
Conduit sizeG1/2
Earth terminalWithout ground terminal
Ambient temperatureOperating: -10 to 80 ℃
Ambient humidityOperating: 35 to 95%
Permissible operating speed1 mm/s to 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 each terminal of the same polarities: null MΩ
Between live-metallic part and ground: null MΩ
Between each terminal and non-live-metallic part: null MΩ
(at 500 VDC Megger)
Dielectric strengthBetween each terminal of the same polarities: null V
Between live-metallic part and ground: null V
Between each terminal and non-live-metallic part: null V
(50/60 Hz for 1 min)
Durability (Mechanically)10,000,000 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. 0.98 N
Release Force (RF)Standard value Min. 0.15 N
Pre-Travel (PT)Standard value 15 +/- 5 DEG
Over-Travel (OT)Standard value 55 DEG Min.
Movement Differential (MD)Standard value 12 DEG Max.
Condition of operating characteristicsWhen the rod length is 380 mm
  • Mounting holes

  • Circuits configuration

Series

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

WL, WLM

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