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Safety switches
 

Safety switches with separate actuator

Safety switches with separate actuator are positive opening position switches. In terms of design, the switching element and actuator are separated. On actuation, the switching element and actuator are brought together or separated. The positive opening NC contact is always open when the actuator is withdrawn. These switches are assigned to Type 2.

 

 

 

Plastic-bodied, Type SKT

bernstein-isolierstoffgekapselter-sicherheitsschalter-ohne-zuhaltung-typ-skt 10

  • Compact IP 65 switch for safety applications
  • Optimised size while retaining tried-and-tested connection system
  • Two-channel safety monitoring possible
  • With captive snap-on cover
  • Actuator can be repositioned by 4 x 90°
  • Two actuator openings which makes horizontal 
    and vertical operation possible
  • Versions: 1 NC / 1 NO, 2 NC
  • All NC contacts with  in the circuit 
    diagram are positively opening contacts
  • Type: Zb (galvanically isolated changeover contact)
  • Available with M12 connector
  • AS-Interface variants available
  • Preassembled with customer-specific
    cables and connectors on request
  • Universal Hinged Actuator (MRU)

 

 

Plastic-bodied, Type SKI

bernstein-isolierstoffgekapselter-sicherheitsschalter-ohne-zuhaltung-typ-ski 09

  • Mounting dimensions to Standard switch conforming to DIN EN 50047
  • Protection class IP 65 to VDE 0470 T1
  • Enclosure and cover PA 6, self-extinguishing (UL-94-V0)
  • Actuator can be repositioned by 4 x 90°
  • Two actuator openings which makes
    horizontal and vertical operation possible
  • Cable entry M20 x 1.5
  • Versions: 1 NC / 1NO, 2 NC
  • All NC contacts with  in the circuit 
    diagram are positively opening contacts
  • Type: Zb (galvanically isolated changeover contact)
  • Available with M12 connector
  • AS-Interface variants on request
  • Preassembled with customer-specific
    cables and connectors on request
  • Universal Hinged Actuator (MRU)

 

 

Plastic-bodied, Type SKC

bernstein-isolierstoffgekapselter-sicherheitsschalter-ohne-zuhaltung-typ-skc 10

  • Protection class IP 65 to VDE 0470 T1
  • Enclosure and cover PA 6, self-extinguishing
    (UL-94-V0)
  • Actuators can be repositioned by 180°
  • Two actuator openings which makes
    horizontal and vertical operation possible
  • Cable entry 3x M16 x 1.5
  • Slow-action contact
  • Versions: 1 NC
  • All NC contacts with  in the circuit 
    diagram are positively opening contacts
  • Type: Zb (galvanically isolated changeover contact)
  • Anti-tamper facility due to multiple coding
  • Available with M12 connector
  • Preassembled with customer-specific
    cables and connectors on request
  • Universal Hinged Actuator (MRU)
  • Integrated actuator holding force (up to 30 N)

 

 

Plastic-bodied, Type SK

bernstein-isolierstoffgekapselter-sicherheitsschalter-ohne-zuhaltung-typ-sk 09

  • Protection class IP 65 to VDE 0470 T1
  • Particularly suitable for personal protection applications
  • Different actuating forces
  • Enclosure and cover PA 6, self-extinguishing
    (UL-94-V0)
  • Actuators can be repositioned by 180°
  • Two actuator openings which makes
    horizontal and vertical operation possible
  • Cable entry 3 x M20 x 1.5
  • Slow-action contact
  • Versions: 1 NC
  • All NC contacts with  in the circuit 
    diagram are positively opening contacts
  • Type: Zb (galvanically isolated changeover contact)
  • Anti-tamper facility due to coding
  • Available with M12 connector
  • AS-Interface variants available
  • Preassembled with customer-specific
    cables and connectors on request
  • Universal Hinged Actuator (MRU)
  • Integrated actuator holding force (up to 30 N)

 

 

Switch with VTW, VTU, VT actuator,
Type I88, ENK, ENM, GC

bernstein-schalter-mit-betaetiger-vtw-vtu-vt 08

  • Position Switches of the tried-and-tested switch families I88, ENK (AS-Interface variant available), ENM2 and GC correspond to Type 2
  • Use of Type 1 and Type 2 position switches specific to application with one family of switches
  • Standardisation: Switches of one family have the same mounting dimensions and the same electrical properties
  • Reduced costs: II88, ENK, ENM2 and GC are used in large quantities. This not only reflects the quality of the products but also means lower prices compared to special designs used in small quantities

 

 

 

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