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Muting lamps PITsign

Safe display of muting states

Muting lamps PITsign

Muting is the temporary, automatic suspension of a safety function during a machine's normal operation. It is mostly required when transporting material into or out of a danger zone. Indicate when protective devices are interrupted and thus warn persons against accidental or deliberate entering of hazardous areas. Use Pilz muting lamps PITsign!

More than just a lamp

  • Either as components for monitoring muting functions or as a complete solution in conjunction with other Pilz products
  • Increased safety for man and machine as the muting status is signalled
  • Smooth production within muting areas
  • Complete solution in conjunction with approved evaluation devices
  • Safe, error-free control of the muting lamps
  • Reliable monitoring of the lamp function
More than just a lamp

Signals create safety

Unmonitored muting lamps PIT si1.1

During the muting operation, the operator has to be alerted to the danger that is created by interrupting the safety function. PITsign muting lamps are specially designed for this purpose. They light up as soon as muting mode is started.

Unmonitored muting lamps PIT si1.1

  • Unmonitored muting lamp
  • Suitable for use with light curtains and grids PSENopt, devices with dual-pole outputs, safety relay PMUT X1P

Monitored muting lamps PITsi1.2

  • Muting lamp
  • For applications up to Category 4 of EN 954-1, SIL 3 of EN/ISO 62061, PL e of EN ISO 13849-1
  • 2 semiconductor signal outputs issue a warning and message in the case of a defective lamp
  • For universal use thanks to integrated lamp monitoring in accordance with the ESPE standard 61496-1/-2

LED muting lamp PIT si2.1

  • Unmonitored LED muting lamp
  • e.g. suitable for use with light curtains and grids PSENopt, programmable control systems PSS, units with dual-pole outputs, safety relays PMUT X1P
  • Service life up to 50,000 hours

Indicator light unit PIT si3.1

  • Unmonitored indicator light unit
  • Signals various operating and plant statuses (red and green light element)
  • Signals process errors and warning zone violations (amber light element)
  • Suitable for use with the safe camera system SafetyEYE

Safe signals

Use muting lamps PITsign wherever access to machinery or machine parts is secured through opto-electronic protective devices.

It may, for example, be used in:

  • Machine or robot cells
  • Laser welding plants
  • Systems in the automotive industry

Industry uses

Industry uses

Use our PSENopt light barriers and muting lamps! You will get the perfect solution for handling and loading stations in which protective devices are interrupted for a short time. All advanced light barriers offer extended functionality such as muting, blanking and cascading. When the material moves through the gate, the light barrier is interrupted for a short time and the muting lamp comes on to prevent people from entering the hazardous area. Accessories range from deviating mirrors, post protectors for shock, collision and vibration protection, protective IP6k9k housing through to test rods.

Our product range: Muting lamps PITsign

Muting lamps PITsign

With Pilz you can choose between monitored and unmonitored muting lamps. Or take your choice based on bulb or LED.

Muting lamp accessories

You can also take advantage of the accessories for the muting lamps PITsign.


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Head office

Pilz Australia Safe Automation
Unit 1, 12-14 Miles Street
Mulgrave, Melbourne, Victoria 3170

Telephone: +61 3 9560 0621 / 0438 038 087

Technical Support

Telephone: +61 3 9560 0621