JR Merritt


NS2-KA / NSB2-KA Joystick

The NS2-KA / NSB2-KA single axis masterswitches are characterized by their versatility and rugged construction for step and stepless AC & DC controls. Rated for 20 million mechanical cycles, the NS2-KA / NSB2-KA is ideal for applications where operations are continuous.


• Versatile design

• Cast construction, double ball bearing operating shaft

• Square 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


The NS2-KA / NSB2-KA is often used on Class E Cranes and In-Plant process control where duty cycle is continuous. Other typical applications include:

• Mills & foundries

• Mining vehicles

• Logging machinery

• Process lines

• And More


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

Drop-in (From Above)

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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