Heavy mill duty
NS2-0 / NSB2-0
NS2-0/NSB2-0 Rotary Master Switch features the same rugged design components and versatility as the NS2/NSB2 series of Joysticks.
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DETAILS
Applications
The NS2-0/NSB2-0 provides directional, precise proportional speed and step control of AC/DC variable speed drives. Applications include In-plant Process Control, Mining Vehicles, Conveyor and Lift Systems.

Features
» Rugged construction:
Brass Bearings and Square Steel Operating Shaft.
» Mechanical life:
10 million cycles with Friction Brake.
» Design flexibility:
Combination of custom contact sequences, detents, spring return, potentiometers and electronics.
» Precise step control:
Up to 7-0-7 individually detented steps.


Handle options
Teardrop and chrome steel ball lever.

TECHNICAL & MECHANICAL DATA
TECHNICAL & MECHANICAL DATA
General Data
 Output Options AC or DC Contacts, Potentiometer, Encoder & Transformer
 Handle Action Spring Return, Friction Brake or Maintained
 Handle Travel 0-330 degrees Max. handle action in cast enclosure +/- 120 degrees
 Max # of Steps Up to 7-0-7 or 0-16 positions
 Handle Compatibility Teardrop & chrome steel ball lever
 Life 10 million cycles
 Materials Aluminum body and nickel chronium yoke.
Mounting Data
 Mounting Style Panel (from below)
 Mounting Footprint
4" x 4" 
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
 Contact Specifications
Switch Type: 
Double Pole Contact Blocks 

Max. Number: 
Up to 10 contact blocks (20 circuits) 

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

Rating (AC) NS2-0: 
Continuous 25 amps @ 600V 
Resistive 20 amps @ 240V 
Inductive 14 amps @ 240V 

Rating (DC) NSB2-0: 
Resistive 5 amps @ 250V 
Inductive 2 amps @ 250V 

Termination: 
Saddle Clamp 

Max. Wire Size: 
12 AWG
 Additional Specifications Reference product literature for additional specifications
DOCUMENTS
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