SPECIFICATION MATERIAL △MECHANICAL Mechanical Life: 2,000 operations per switch. Operation Force: 400gf max. (DP Series) 1,000gf max. (DS & DA Series) Stroke: 2.0mm Operation Temperature: -20℃ to +70℃ Storage Temperature: -40℃ to +85℃ △ELECTRICAL Electrical Life: 2,000 operations per switch 24VDC, 25mA Non-Switching Rating: 100mA , 50VDC Switching Rating: 25mA , 24VDC Contact Resistance: 50mΩ max. at initial Insulation Resistance:{at 500 VDC} 100MΩ min.