Detailed Product Description

24mm rotary potentiometer(WH138)

Mechanical characteristics:

Total rotation angle:300°±5°

Rotation torque: 2~20mN.m(20-200gf.cm)

Shaft stop strength:0.6N.m(6Kgf.cm)

Switch working angle/stroke:50°±10°

Switch operating torque: 150-450 gf.cm

Electrical characteristics

Total resistance: 5KΩ ~2M Ω

Resistance taper: A,B,C

Resistance tolerance: ±20%

Rotational noise:≤47mV

Rated wattage: Curve  B: 0.5W  other Curve B:0.25W

Max,operating voltage: B:500V other than B:250V

Insulation resistance: More than 100MΩ at DC 250V

Dielectric: AC500V ,1 minute

Residual resistance: R≥250KΩ 0.1% max.of total resistance

                     250KΩ>R> 10KΩ   20Ω max

                     10KΩ≥R          10Ω max 

Switch contact resistance: less than 30 mΩ

Switch contact resistance: AC 125 1 A ,4A,6A

Durability:

Mechanical life: 10000 cycles