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D4A-3308N

General-purpose Limit Switch

Image

General-purpose limit switch, Side plunger, adjustable, SPDT, double-break, neon lamp, G1/2

Shape/Structure General-purpose Limit switches
Actuator Side plunger
Operating mechanism Snap action
Contact form SPST-NO/SPST-NC
Degree of protection IP67
NEMA Type1, 2, 3, 4, 4X, 5, 6P, 12, 13

Item list of D4A-[]N

  • Ratings / Performance
Shape/StructureGeneral-purpose Limit switches
Operating mechanismSnap action
ctuatorSide plunger
Adjustable
Frequency50/60 Hz
Contact configuration2-circuit double break type
Contact formSPST-NO/SPST-NC
LoadGeneral load
Inrush currentNC: 30 A max.
NO: 20 A max.
IndicatorNeon lump, Possible to change between Light when operating and Light when not operating.
ConduitG1/2
Ambient temperatureOperating: -10 to 80 ℃
Ambient humidity35 to 95 % (with no icing)
Permissible operating frequencyElectrical: 30 operations / 1 minute max.
Mechanical: 300 operations / 1 min max.
Contact resistance (Initial value)25 mΩ max.
Insulation resistanceBetween each terminal of the same polarities: 100 MΩ min.
Between live-metallic part and ground: 100 MΩ min.
Between each terminal and non-live-metallic part: 100 MΩ min.
at 500 VDC
Dielectric strengthBetween each terminal of the same polarities: 1,000 VAC 50/60 Hz 1 min
Between live-metallic part and ground: 1,500 VAC 50/60 Hz 1 min
Between each terminal and non-live-metallic part: 1,500 VAC 50/60 Hz 1 min
DurabilityElectrical: 1,000,000 operations min. (10 A at 125 VAC )
Vibration resistanceMalfunction: 10 to 55 Hz, 1.5 mm double amplitude
Shock resistanceDestruction: 1,000 m/s2 max.
Degree of protectionIP67
NEMA Type1, 2, 3, 4, 4X, 5, 6P, 12, 13
Classification of protection against electric shockClass I (with ground terminal)
Operating Force (OF)Standard value 19.61 N max.
Release Force (RF)Standard value 4.90 N min.
Pre-Travel (PT)Standard value 2.4 mm max.
Movement Differential (MD)Standard value 0.6 mm max.
Over-Travel (OT)Standard value 5.1 mm min.
Operating Position (OP)Standard value 41 to 47.5 mm
  • Dimensions

Mounting hole dimensions

  • Circuits configuration

  • Characteristic chart

Durability curve

Electrical:

Series

General-purpose Limit Switch

D4A-[]N