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  1. Home
  2. Locking systems for hoods and housings

Locking systems for hoods and housings

The locking mechanisms of hoods and housings do not only protect the connector from unintentional openings, they also increase the tightness. The most often used locking mechanism for industrial connectors are locking levers. However, there are several mechanisms available in different versions, each of which has its advantages and is suitable for special applications.


Locking systems for hoods and housings
Two levers at the bottom part of the housing

Two levers at the bottom part of the housing

Two levers at the bottom part of the housing


  • Secure locking ensured by four locking points

  • Minimal space requirements and high locking force

  • Ideal for laterally arranged connectors

Two levers on the hood


  • Secure locking ensured by four locking points

  • Minimal space requirements and high locking forces

  • Ideal for laterally arranged connectors and surface-mounted housings with caps

Two levers on the hood

Two levers on the hood

One lever at the bottom part of the housing

One lever at the bottom part of the housing

One lever at the bottom part of the housing


  • Two locking points along the longitudinal axis

  • Easy to access even with cable entering laterally

  • Cap on the upper part of the housing can be locked

One lever aligned centrally


  • Two locking points along the transverse axis

  • Easily accessible if cable enters laterally

  • Ideal for laterally arranged connectors

  • Easy to handle due to large leverage

One lever aligned centrally

One lever aligned centrally

Screw / bayonet locking system

Screw / bayonet locking system

Screw / bayonet locking system


  • Actuated using a hexagon wrench or screwdriver

  • Vibration-proof connections with outstanding sealing effect

  • Easy to access even with cable entering laterally

  • Prevents accidental or unauthorised opening

Han® Hood Link locking system


  • A resistant elastomer element connects and seals (IP65) hood and housing

  • Ideal for quick and easy (flying) cable-to-cable connections

  • Resistant to oils and gases; absorbing external mechanical forces

Han® Hood Link locking system

Han® Hood Link locking system

Latched locking mechanism inside

Latched locking mechanism inside

Latched locking mechanism inside


  • Easy handling: simply press yellow push buttons simultaneously to lock with an audible click; only one hand needed to lock/unlock

  • Protected against vibration, shock and unintentional opening: turning yellow button by 90 degrees prevents accidental disconnects. Optionally available with additional blocking function

  • Compact design

Han® PushPull locking system


  • The inner, circular locking profile guarantees a self-locking, durable and tightly sealed (IP67) device connection

  • Easy-to-handle: locking mechanism is intuitively plugged with an audible click, unplugged by simply pulling out the connector after having released the interlock ring

  • Device connector, occupying very little space

Han® PushPull locking system

Han® PushPull locking system

Directly mounted to panel (without bulkhead mounted housing)

Directly mounted to panel (without bulkhead mounted housing)

Directly mounted to panel (without bulkhead mounted housing)


  • The hood is attached directly to the electrical cabinet panel using mounting flanges

  • A cost-effective alternative for plug-in connections with only few or almost no mating cycles

Further information

Industrial connectors Han® - Technical information
Industrial connectors Han® - Technical information
.pdf - 2 MB

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