AJ8S (J8S) Series Power Rocker Switches

Panasonic’s AJ8S (J8S) Series Power Rocker Switches have a contact for low level current and a 3mm contact gap. These Switches have high inrush current resistance that is ideal for office automation equipment applications. The operation of these AJ8S Series Switches only requires a light touch and incorporates a contact low level circuit.

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  • Power Switches for Safety Requirements
  • Cadmium-free Contact Compatibility
  • Contact Voltage
  • Power: 250V AC
  • Signal: 5V AC
  • Resistive Load
  • Power: 16A
  • Signal: 10Ma
  • Inrush Load: 160A
  • Dielectric Strength
  • Power: Initial, 2,000 V AC RMS
  • Signal: Initial, 100 V DC RMS
  • Vibration Resistance: 10 to 55 Hz at a Single Amplitude of 0.75mm
  • Shock Resistance
  • Functional: Min. 294m/s2 Contact Opening Max. 1ms
  • Destructive: Min. 980m/s2



Item Specifications
Electrical life Min. 104 (at 7 cpm., at rated load)
Mechanical life Min. 5 × 104 (at 20 cpm.)

Contact resistance

Power contact Initial, Max. 100 mΩ (by voltage drop at 1 A, 2 to 4 V DC)
Signal contact Initial, Max. 1 Ω (measured by a milliohm meter)

Dielectric strength

Power contact Initial, 2,000 Vrms for 1 min (detection current: 1 mA)
Signal contact Initial, 600 Vrms for 1 min (detection current: 1 mA)
Ambient temperature –25 to +85°C (no freezing and condensing)
Vibration resistance 10 to 55 Hz at single amplitude of 0.75 mm, 2 hours each in X, Y and Z directions, Contact opening Max. 1 ms

Shock resistance

Functional Min. 294 m/s2 Contact opening Max. 1 ms
Destructive Min. 980 m/s2
Terminal strength .250 Quick-connect terminal: Min. 98 N/min (Pull & push direction)
Actuator strength Min. 39.2 N (for 1 min operating direction)
Operating force (Initial) *Reference value Max. 4.9 N
Flame retardancy UL94V-0
Tracking resistance Min. 175
Unit weight Approx. 13 g
Contact material AgSnO2 alloy (Power section), Cu alloy + Au plating (Signal section)