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Safety Switch STM with GUARD LOCKING

STM Safety Switch with GUARD LOCKING

STM Safety Switch with GUARD LOCKING

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Plastic Accessories

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EUCHNER Design Type 2 Safety Switches are used to protect personnel by monitoring and interrupting the safety circuit depending on the position of the machine guard. The locking solenoid holds the guard closed until a stored energy hazard has dissipated. It can also prevent damage to a part in process due to an inadvertent machine shutdown. To meet current worldwide standards, safety interlock components cannot be easily bypassed. These switches have positive opening contacts (in accordance to NFPA 79) and redundancy to guarantee that they fail to a safe state. Due to its small design, the STM safety switch with plastic housing is particularly suitable for applications in which robustness is required in combination with small dimensions.

Note: Design type 2 safety switch has an actuator that is separate from the switch body. The two must be combined or separated for switch operation.

TYPICAL APPLICATIONS INCLUDE

People protection (Stored energy hazards), Machine and production protection against: Inadvertent machine shutdown and Damaging machine and product, Machine tool, Presses, Grinders, Packaging, Material handling / storage retrieval systems, Plastic injection molding, Pharmaceutical, Food processing, Robot, Wood cutting

 
 

FEATURES

  • Solenoid locking
  • Small body design
  • Rotatable actuator head with top and side entry
  • Actuator insertion funnel increases entry area
  • Straight, bent, and hinged actuators available
  • Straight and bent actuators with overtravel
  • Actuator overtravel minimizes end stop potential
  • Up to 3 contacts
    • 2 contacts connecting to safety relay
    • Annunciation contacts
    • Door and solenoid monitoring contacts
  • Custom versions available
  • Suitable for door radii down to minimum 300 mm
   

BENEFITS

  • Durable metal actuator head available
  • Multiple contacts helps to achieve the highest level of safety
  • Small body housing
    • Perfect for extruded aluminum guarding
  • High locking force
  • Manual bypass
    • Simple front bypass
   

TECHNICAL

  • Metal actuator head available
  • Reinforced thermoplastic housing
  • Environmental protection IP67- oil and dust tight, and water resistant
  • Ambient operating temperature -20 to 55C
  • Contacts – 3 elements
    • Low current contacts
    • Silver alloy, gold flashed
    • Up to 3 NC positively driven contacts
  • Solenoid
    • Mechanical locking or electrical locking
  • Voltages
    • 24 VAC/DC
    • 110 VAC
    • 220 VAC
 
 

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