JR Merritt


NS2-KB / NSB2-KB Joystick

One axis, rugged, heavy duty vertical cast masterswitch that is characterized by it's robust construction for step and stepless AC & DC controls. Features a rectangular shaped cast body and popular mounting hole pattern allowing for easy replacement of other manufacturer's master switches.


• Versatile design

• Cast construction, double ball bearing operating shaft

• Rectangular shaped body

• Environmentally sealed, field replaceable torsion spring

return system

• 20 Million cycle mechanical operating life

• Rugged 12mm diameter handle shaft

• Corrosion resistant components

• Double pole, field replaceable contacts

Axis Options
  • • Single

Output Options
  • • Contacts

  • • Potentiometer

  • • Encoder

  • • 4-20mA

  • • Transformer

Joystick Action
  • • Spring Return

Mounting Style
  • • Drop-in (From Above)

Compatible Handles


For use in steel mills, process lines, foundry cranes, mining shovels, and logging equipment. Widely used on Class E cranes and in-plant process control where duty cycle is continuous.


General Data

# of Axis


Output Options

Contacts, Potentiometer, Encoder, 4-20mA & Transformer

Joystick Action

Spring Return

Handle Travel

+/- 40 degrees each axis

Max # of Steps

Up to 7-0-7

Handle Compatibility

Standard Handles, Push Button, Mechanical Interlock, RH, BH, MG27


20 million cycles


Cast alluminum housing with self lubricating bearings, brass cam shaft, and stainless steel gate.

Est. Shipping Weight

14 lbs.

Est. Shipping Dimensions

24 in. x 12 in. x 12 in.

Mounting Data

Mounting Style


Mounting Footprint

6.5" x 6.5"
See literature for additional mounting specifications

Environmental Data

IP Rating


Operating Temperature

-4 to +140 degrees F [-20 to +60 degrees C]

Electrical Data

Contact Specifications

Switch Type:
Double Pole Contact Blocks

Max. Number:
Up to 5 contact blocks (10 circuits)

Max. Switching Capacity:
Making - 160 amps
Breaking - (0.7PF) 240V 160 amps

Rating (AC) NS2-KA:
Continuous 25 amps @ 600V
Resistive 20 amps @ 240V
Inductive 14 amps @ 240V

Rating (DC) NSB2-KB:
Resistive 5 amps @ 250V
Inductive 2 amps @ 250V

Saddle Clamp

Max. Wire Size:
12 AWG

Additional Specifications

Reference product literature for additional specifications

Technical Drawings



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