One of the leading suppliers of industrial safety technology. As a system integrator Bernstein provides all inclusive solutions based on a range of switches, sensors and enclosures and their interaction. Operator, machine and process safety are therefore the main focus of attention. In other words: a comprehensive product program which fully meets relevant safety requirements and yet is suited for specific applications.

BTI Home | BTI Coded Magnets | BTI Advantages | Dold Safety Modules
Interlock Switches and Actuator Keys

 

 

Type SKT
Interlock Switch with a Very Compact Profile for Confined Spaces (pdf 165KB)

  • Very Compact Size- 1.12" Xx3.27"
  • Eight Key Entry Locations
  • Screw Terminals
  • Quick Connect Option
  • Glass Reinforced Thermoplastic
  • Positive Opening N.C. Contact
  • Tamper Resistant
  • 2" Minimum Closing Radius "MRU" Key, Die Cast Aluminum
  • Stainless Steel M-3 Key, 6" Minimum Closing Radius
  • Switch Head Rotates, Permits Four Different Side and Four Top Key Entry Locations

 

 

Type SKI
Interlock Switch with a Compact Profile for Confined Spaces (pdf 150KB)

  • Compact Size - 1.2" x 4"
  • Eight Key Entry Locations
  • Screw Terminals
  • Quick Connect Option
  • Glass Reinforced Thermoplastic
  • Positive Opening N.C. Contact
  • Tamper Resistant
  • 2" Minimum Closing Radius "MRU" Key, Die Cast Aluminum
  • Stainless Steel M-3 Key, 6" Minimum Closing Radius
  • Switch Head Rotates, Permits Four Different Side and Four Top Key Entry Locations

 

 

Type SK
Interlock Switch with 3 Cable Entries on 3 Pole, Thermoplastic (pdf 133KB)

  • Four Key Entry Locations
  • Screw Terminals
  • Quick Connect Option
  • Three Cable Entry Locations (2 Entries on 3 Pole)
  • Glass Reinforced Thermoplastic
  • Positive Opening N.C. Contact
  • Tamper Resistant
  • Stainless Steel Keys
  • 2" Minimum Closing Radius "MRU" Key
  • "M" Key, 6" Minimum Closing Radius
  • Switch Head Rotates, Permits Four Different Key Entry Location

 

 

 

 

Type ENK
Limit Switch - Thermoplastic - 2 and 3 Pole (pdf 179kb)

  • Four Key Entry Locations
  • Screw Terminals
  • Quick Connect Option
  • Glass Reinforced Thermoplastic
  • Positive Opening N.C. Contact
  • Tamper Resistant
  • Steel "BR" Flexible Key, 6" Minimum Closing Radius
  • Switch Head Rotates, Permits Four Different Side Key Entry Locations

ENM Series
Limit Switch - Metal - 2 Pole (pdf 138kb)

  • Features Similar to Type ENK Except as Listed Below
  • Rugged Metal - Painted Steel + Aluminum
  • Steel "RR" Flexible Key, 6" Minimum Closing Radius

Type GC
Funnel Shape Key Entry Corrects Misaligned Doors - Metal (pdf 136kb)

  • Screw Terminals
  • Quick Connect Option
  • Painted Steel + Aluminum
  • Positive Opening N.C. Contact
  • Tamper Resistant
  • Steel Flexible Key, 6" Minimum Closing Radius

Type ENM2
Limit Switches (pdf 96kb)

  • Heavy Duty
  • Fiberglass Reinforced Plastic or Metal
  • Nylon or Steel Actuators
  • Snap or Slow Action Contacts
  • Most Versions Positive Break N.C. Contacts
Interlock Switches with Attached Actuator Arms

Type 188 (Axle-Door Hinge
Thermoplastic Safety Switches with a Narrow Profile for Confined Spaces
(pdf 143kb)

  • Axle Interlock Switch
  • Screw Terminals
  • Quick Connect Option
  • Glass Reinforced Thermoplastic
  • Positive Opening N.C. Contact

Type 188 (Hinged Lever Arm)
Thermoplastic Safety Switches for Hinged Lids / Guards (pdf 272kb)

  • Four Hinge Directions
  • Screw Terminals
  • Quick Connect Option
  • Glass Reinforced Thermoplastic - 188-U Series
  • Metal Body - GC-Series
  • Positive Opening N.C. Contact

Type SHS
Metal Hinge Safety Switch (pdf 315kb)

  • Rugged Metal Housing
  • Submersible
  • Positive Opening N.C. Contact
  • Pre-Wired
  • Fast & Convenient Installation
  • Plug Connect Option

 

 

Type SLK
Thermoplastic Solenoid Locking Interlock Safety Switch (pdf 136kb)

  • Five Key Entry Locations
  • 440 lbs. Locked Holding Force
  • Five Voltages Capabilities in One Switch!
  • 24V AC, DC - 48V DC - 120V AC - 230V AC
  • LED Option
  • Cage Clamp or Screw Terminals
  • Positive Opening N.C. Contact with Actuator Key
  • Tamper Resistant
  • 6" Closing Radius - "RR" Key
  • Glass Reinforced Thermoplastic

 

Type SLM
Metal Solenoid Locking Interlock Safety Switch (pdf 182kb)

  • Four Key Entry Locations
  • 440 lbs. Locked Holding Force
  • Aluminum Die-Cast
  • Two LED's Option
  • Lock Bypass
  • Positive Opening N.C. Contact with Actuator Key
  • Tamper Resistant
  • 6" Closing Radius - "K-Flex" Key
  • Head Rotates 4 x 90°
Rope Pull Safety Switches

 

 

 

Type SR
4 Pole Thermoplastic Rope Pull Switch (pdf 259kb)

  • 4 Pole
  • Emergency Stop Button
  • Rope Tension Window Gauge
  • Quick Clamp Rope Attach Device
  • Cage Clamp Terminals
  • Fiberglass Reinforced Polycarbonate Housing
  • Metal Mounting Bracket and Head
  • Positive Opening N.C. Contact

Type SR and SI Accessories (pdf 288kb)

Please contact Cal-Centron for additional information and current pricing.
Copyright © 1999 - 2008 Cal-Centron. All rights reserved.