Safety locking devices

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The door stays closed!

Safety locking devices keep protective doors securely locked and thereby prevent the inadmissible access of people until the guarded machine no longer poses a danger. Not until there is no longer a danger to the machine or to the workers is access released by an electric signal. With their robust design, all Leuze electronic Safety Switches and Locking Devices are designed for rough industrial applications.

L10

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Compact and economical

The compact and economical L10 Safety Locking Device reduces wiring through manual locking and releasing.

  • Particularly economical locking solution for rarely-used maintenance doors and applications without electrical control signals
  • Hardly any wiring and cabling costs due to manual locking and unlocking
  • 6 different heavy duty actuators for the most diverse installation conditions

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L100

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Spring or magnet locking

The versatile safety locking device is used both for personnel safety as well as for machine protection and is used to guard machines and systems that have stopping times.

  • 6 different heavy duty actuators for the most diverse installation conditions
  • Standard construction in models with electromagnetic or spring force-actuated interlocking type and auxiliary release function

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L200

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Large scale

The L200 safety locking device designed for highly demanding applications is predestined for guarding large protective doors and sliding gates, in logistics operations, for example, or with very big machinery, and under harsh conditions.

  • Heavy duty access guarding on big machinery and systems in harsh ambient conditions
  • Emergency unlock function (ergonomically optimized panic button) for manually opening the protective devices in the event of an emergency
  • Suitable for extreme mechanical loads
  • Auxiliary unlocking (for spring locking)
  • LED status indicators

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L250

L300

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With tamperproof RFID technology for tough environments

The robust L300 safety locking devices for safety applications up to SIL 3 / PL e are used to secure safety doors on machine and system constructions with dangerous overrun. Comprehensive safety functions are easy to implement with the integrated command and emergency stop buttons. Using modern RFID technology, the L300 series offers maximum protection against manipulation (type 4 according to EN ISO 14119) and is easy to integrate. With a locking force of up to 9750N and the robust metal housing, the devices are particularly suitable for use on heavy doors and in tough environments.

  • RFID technology for maximum protection against manipulation and easy integration (type 4 according to EN ISO 14119)
  • Integrated command and emergency stop buttons as well as suitable door handle for easy implementation of complete safety functions on the safety doors
  • Locking force up to 9750N and degree of protection IP 67 / IP 69K also for use in tough environments and with extreme loads
  • An ergonomically optimized panic button enables manual opening of the protective device from the danger zone in case of emergency
  • Optional door handle with lockout-tagout

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