A-20G-B

General-purpose Basic Switch

Image

Pin plunger, High-capacity General type, SPDT (Single-Pole, Double-Throw type), Rated through current 20 A, Screw terminal (M4)

Actuator Pin plunger
Contact form SPDT (Single-Pole, Double-Throw type)
Terminal Screw terminal (M4)
Rated current 20 A
Degree of protection IP00

Item list of A

  • Ratings / Performance
ActuatorPin plunger 2.3 dia.
Stainless-steel plunger
Contact formSPDT (Single-Pole, Double-Throw type)
Rivet
Ag alloy
Contact gap (standard value)0.5 mm
TerminalScrew terminal (M4)
LoadHigh-capacity
Rated current20 A
Ratings (AC) Non-Inductive loadResistive load: 20 A at 125 VAC, 20 A at 250 VAC, 15 A at 500 VAC
Lamp load: 7.5 A at 125 VAC, 7.5 A at 250 VAC, 4 A at 500 VAC
Inductive load: 20 A at 125 VAC, 20 A at 250 VAC, 10 A at 500 VAC
Motor load: 12.5 A at 125 VAC, 8.3 A at 250 VAC, 2 A at 500 VAC
Ratings (DC) Non-Inductive loadResistive load: 20 A at 8 VDC, 20 A at 14 VDC, 6 A at 30 VDC, 0.5 A at 125 VDC, 0.25 A at 250 VDC
Lamp load (NC): 3 A at 8 VDC, 3 A at 14 VDC, 3 A at 30 VDC, 0.5 A at 125 VDC, 0.25 A at 250 VDC
Lamp load (NO): 1.5 A at 8 VDC, 1.5 A at 14 VDC, 1.5 A at 30 VDC, 0.5 A at 125 VDC, 0.25 A at 250 VDC
Inductive load: 20 A at 8 VDC, 15 A at 14 VDC, 5 A at 30 VDC, 0.05 A at 125 VDC, 0.03 A at 250 VDC
Motor load: 12.5 A at 8 VDC, 12.5 A at 14 VDC, 5 A at 30 VDC, 0.05 A at 125 VDC, 0.03 A at 250 VDC
Inrush currentNC: 75 A max.
NO: 75 A max.
Ambient temperature-25 to 80 ℃
Ambient humidity35 to 85% RH
Speed of permissible operation0.01 mm/s to 1 m/s
Permissible operating frequencyElectrical: 20 operations / 1 minute max.
Mechanical: 240 operations / 1 minute max.
Contact resistance (Initial value)15 mΩ max.
Insulation resistance100 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: 2,000 VAC 50/60 Hz 1 min
Between each terminal and non-live-metallic part: 2,000 VAC 50/60 Hz 1 min
DurabilityElectrical: 500,000 operations min.
Mechanical: 1,000,000 operations min.
Degree of protectionIP00
Degree of protection against electric shockClass I
Proof tracking index(PTI)175
Operating Force (OF)Standard value 3.92 to 6.13 N
Release Force (RF)Standard value 2.79 N min.
Pre-Travel (PT)Standard value 1.3 mm max.
Over-Travel (OT)Standard value 0.25 mm min.
Movement Differential (MD)Standard value 0.2 mm max.
Operating Position (OP)Standard value 15.9 to 16.7 mm
  • Mounting hole dimensions

Screw mounting hole dimensions

  • Terminals

Series

General-purpose Basic Switch

A

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