SHALLCO Precision Rotary Switch
Made in USA


Subminiature and Open Frame Rotary Selector Switch


Shallco product are manufactured of premium grade materials selected to withstand moderate environments and provide reliable service. They meet or exceed the general requirements of MIL-S-3786, a military specification for rotary switches.

Electrical Specifications:
  • Current carry capacity -- 10 amperes
  • Current switching capacity-- up to 2 amperes
  • Contact resistance-initial-0.005 ohms max
  • Contact resistance-after life-0.01 ohms max
  • Insulation resistance-50,000 megohms
  • Dielectric withstanding voltage-1500v rms
  • Dielectric withstanding voltage after life-1000v rms
Mechanical Specifications:
  • Rotational life-50,000 cycles * min. @ .250 amperes @85 degrees C
  • Stop torque -50 pound-inches
  • Adjustable stops-to any desired position
  • Optional features:3/8-32 UNEF-2A bushing mount with "O" ring seals
  • Progressively shorting wiper assemblies are available for 24, 32, 36 and 40 position devices

    * One cycle=one full cw plus on full ccw rotation

SHCO-E1423S
SHALLCO 4 pole 23 Steps Precision Rotary Switch


Stereo, 4 pole, 1 deck, Bushing length 3/8",
Shaft 6.35mm, Shorting, Code#143-EM-23-375
Sq body: 70 x 70mm x 36.5mm(D), 0verall 62mm(D)
SHCO-E1248S
SHALLCO Stereo 48 Steps Precision Rotary Switch


Stereo, 2 pole, 1 deck, Bushing 3/8" length ,
Shaft 6.35mm, Code#123-EM-48-375
Sq body: 70 x 70mm x 36.5mm(D), 0verall 62mm(D)

SHCO-E146NS
SHALLCO 4 Pole 6 Steps Precision Rotary Switch


4 pole, 1 deck, Bushing 3/8" in length ,
Shaft 6.35mm, Code#141-EB-6-375
Sq body: 70 x 70mm x 36mm(D), 0verall 60mm(D)
SHCO-C126NS
SHALLCO 2 Pole 6 Steps Precision Rotary Switch


2 pole, 1 deck, Bushing 3/8" length ,
Shaft 6.35mm, Code#121-CB-6-375OSD
Sq body: 44.5 x 44.5mm x 36mm(D), 0verall 60mm(D)
Please contact for items not listed on above
last updated on 6/18/05