D4A-4505N

General-purpose Limit Switch

Image

Standard sensitivity, IP67, Snap action, Self-holding mechanism, 4-circuit double break type, DPST-NO / DPST-NC, Rotating lever

Shape/Structure General-purpose Limit switches
Actuator Rotating lever
Holding type
Operation type Simultaneous operation type
Contact configuration 4-circuit double break type
Load General load
Degree of protection IEC60529 (JEM): IP67
NEMA250: Type3, 4, 4X, 6P, 13

Item list of D4A-[]N

  • Ratings / Performance
Shape/StructureGeneral-purpose Limit switches
Service lifeGeneral type
Operating mechanismSnap action
ActuatorRotating lever
Holding type
Operation typeSimultaneous operation type
Frequency50/60 Hz
Switching mechanismSelf-holding mechanism
Contact configuration4-circuit double break type
Contact formDPST-NO / DPST-NC
LoadGeneral load
Ratings (AC): Non-Inductive loadRated voltage: 125 VAC / Resistive load: 5 A(NC) 5 A(NO) / Lamp load: 2 A(NC) 2 A(NO)
Rated voltage: 25 VAC / Resistive load: 3 A(NC) 3 A(NO) / Lamp load: 1 A(NC) 1 A(NO)
Rated voltage: 480 VAC / Resistive load: 1.5 A(NC) 1.5 A(NO) / Lamp load: 0.5 A(NC) 0.5 A(NO)
Rated voltage: 600 VAC / Resistive load: 1 A(NC) 1 A(NO) / Lamp load: 0.4 A(NC) 0.4 A(NO)
Ratings (AC): Inductive loadRated voltage: 125 VAC / Inductive load: 4 A(NC) 4 A(NO) / Motor load: 3 A(NC) 3 A(NO)
Rated voltage: 25 VAC / Inductive load: 2 A(NC) 2 A(NO) / Motor load: 1.5 A(NC) 1.5 A(NO)
Rated voltage: 480 VAC / Inductive load: 1 A(NC) 1 A(NO) / Motor load: 0.8 A(NC) 0.8 A(NO)
Rated voltage: 600 VAC / Inductive load: 0.7 A(NC) 0.7 A(NO) / Motor load: 0.5 A(NC) 0.5 A(NO)
Ratings (DC): Non-Inductive loadRated voltage: 14 VDC / Resistive load: 5 A(NC) 5 A(NO) / Lamp load: 2 A(NC) 2 A(NO)
Rated voltage: 30 VDC / Resistive load: 3 A(NC) 3 A(NO) / Lamp load: 1 A(NC) 1 A(NO)
Rated voltage: 125 VDC / Resistive load: 0.4 A(NC) 0.4 A(NO) / Lamp load: 0.1 A(NC) 0.1 A(NO)
Rated voltage: 250 VDC / Resistive load: 0.2 A(NC) 0.2 A(NO) / Lamp load: 0.05 A(NC) 0.05 A(NO)
Ratings (DC): Inductive loadRated voltage: 14 VDC / Inductive load: 4 A(NC) 4 A(NO) / Motor load: 3 A(NC) 3 A(NO)
Rated voltage: 30 VDC / Inductive load: 2 A(NC) 2 A(NO) / Motor load: 1.5 A(NC) 1.5 A(NO)
Rated voltage: 125 VDC / Inductive load: 0.4 A(NC) 0.4 A(NO) / Motor load: 0.1 A(NC) 0.1 A(NO)
Rated voltage: 250 VDC / Inductive load: 0.2 A(NC) 0.2 A(NO) / Motor load: 0.05 A(NC) 0.05 A(NO)
Inrush currentNC: 30 A
NO: 20 A
Conduit sizeG1/2
Ambient temperatureOperating: -40 to 100 ℃
Ambient humidityOperating: 35 to 95%
Permissible operating speed1 mm/s to 2 m/s
Permissible operating frequency (Mechanically)300 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: 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: 1000 V
Between live-metallic part and ground: 2200 V
Between each terminal and non-live-metallic part: 2200 V
(50/60 Hz for 1 min)
Durability (Mechanically)30,000,000 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 5 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, 4X, 6P, 13
Mounting specificationFront mounting
Back mounting
Operating Force (OF)Standard value Max. 0.39 N.m
Pre-Travel (PT)Standard value 65 DEG Max.
Over-Travel (OT)Standard value 20 DEG Min.
Movement Differential (MD)Standard value 35 DEG Max. / Average value 30 DEG Max.
  • Mounting holes

  • Circuits configuration

  • Durability

Electrical durability curve

Series

General-purpose Limit Switch

D4A-[]N

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