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NSO-1 Rotary Switch
NSO-1 Rotary Switch
NSO-1 Rotary Switch

NSO-1 Rotary Switch

NSO-1 Rotary DC Switches are characterized by their rugged construction and unmatched versatility.

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  • Rugged construction with brass bearings and square steel operating shaft.

  • High design flexibility with combination of custom programmable contacts, detents, spring return, potentiometers and electronics.

  • Precise step control with up to 7-0-7.

  • The NSO-0 provides directional, precise proportional speed and step control of DC drives. Typical applications include:

  • In-plant process control

  • Mining vehicles

  • Conveyor and lift systems

  • Steel & aluminum rolling mills

  • And more


General Data
Output Options DC Contacts, Potentiometer, Encoder, 4-20mA & Transformer
Handle Action Spring Return, Friction Brake or Maintained
Handle Travel 0 - 270 degrees with directly coupled potentiometer
Max of Steps Up to 2-12 positions
Handle Compatibility Teardrop, pistol grip & chrome steel ball lever
Life 10 million cycles
Materials Aluminum body and nickel chronium yoke.
Est. Shipping Weight 4 lbs.
Est. Shipping Dimensions 10 in. x 10 in. x 10 in.
Mounting Data
Mounting Style Panel (from below)
Mounting Footprint 2.84" x 2.84"
See literature for additional mounting specifications
Environmental Data
IP Rating Up to IP66 / Nema 4x (with cast enclosure & round nameplate)
Operating Temperature -13 to +158 degrees F [-25 to +70 degrees C]
Storage Temperature -40 to +158 degrees F [-40 to +70 degrees C]
Electrical Data
Switch Type 1 N.O. and 1 N.C. double break nickel silver alloy contacts with non-teasable snap action mechanism
Max. Number Up to 6 contact blocks (12 circuits)
Rating (DC w/ magnetic blow out) 10 amps @ 24VDC
6 amps @ 48 VDC
1.0 amps @ 125 VDC
0.6 amps @ 250 VDC
Termination Saddle Clamp
Max. Wire Size 12 AWG