Heavy mill duty
NS2-KB / NSB2-KB
One axis, compact, rugged, heavy duty vertical cast masterswitch.

Space saving design and popular mounting hole pattern allow for easy replacement of other manufacturer's master switches.

The type NS2/NSB2-KB series of master switch controllers are characterized by their versatility and rugged construction for step and stepless AC & DC controls.
REQUEST QUOTE

DETAILS
Applications
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.

Widely used on Class E Cranes and In-Plant process control where duty cycle is continuous.

Features
  • Versatile design
  • Cast construction, double ball bearing operating shaft
  • Space saving design
  • 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


Options
  • Maintained or friction held handle
  • Large variety of optional handle configurations including;
  • push button, mechanical interlock and rocker switch handle
  • Stepped detents (up to 7-0-7)
  • DC contacts with magnetic blow outs (NSB2-KB)
  • Large selection of proportional outputs including
  • potentiometer, DGO, rotary differential transformer, encoder, 4-20mA, 10V amplifier and CAN bus
  • Variety of steel enclosures and pedestals


TECHNICAL & MECHANICAL DATA
TECHNICAL & MECHANICAL DATA
NS2-KB Mechanical data
 Life 20 million cycles
 Materials Cast aluminum housing, self lubricating bearings, brass cam shaft, stainless steel gate.
 Operating temperature range -25 to +70 degrees C
 Handle travel +/- 40 degrees max
 Potentionmeter rotation +/- 120 degrees
 Gasketing To IP65
 Maximum number of contacts 20
 Maximum number of steps 7-0-7
 Mounting dimensions See NS2-KB literature PDF above
 Panel space requirement 6.44" x 6.44" (Footprint of casting)
NS2-KB Electrical data
 NS2-KB Contact rating 25A 600 VAC continuous
 NSB2-KB Contact rating 2A 240 VDC inductive
 Terminals Saddle clamp
 Maximum wire size 12 AWG
 Certifications CSA Approved File #15040
See a complete listing of technical data in NS2-KB literature

DOCUMENTS
DRAWINGS & SUPPORTING DOCS