Emergency stop buttons & contact elements

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Emergency stop button NHT04S

tinywow_nht04s-perspective.003-kopie-960x960_72004598
  • Technical specifications
  • Latching detent for anti-rotation protection and to prevent easy removal
  • Optical switch position indicator (green ring)
  • LED illumination available with the corresponding contact elements
  • When used in combination with emergency stop enclosure NHG01, it can be used as a surface mounted version
  • Matching installation wrench MS01 for simple installation
  • Key release

Suitable contact elements:

KE20 Contact element with 2 N.C. contacts
KE20SF Contact element with 2 N.C. contacts + failure protection*
KE21 Contact element with 2 N.C. contacts + 1 N.O. contact
KE21SF Contact element with 2 N.C. contacts + 1 N.O. contact + failure protection*
KE20SFB Contact element with 2 N.C. contacts + failure protection* + illumination
KE21SFB Contact element with 2 N.C. contacts + 1 N.O. contact + failure protection* + illumination

*The failure protection system detects whether the contact elements are assembled correctly and switches the safety circuit off if a contact element should detach due to external influences.

The following safety control units / safety relays are suited for integration into the safety product line:

470… eloFlex Mini 2 two-channel inputs, freely configurable
471… eloFlex 4 two-channel inputs, freely configurable
485 EP… eloProg up to 128 inputs, freely configurable

 

In addition to the illuminated anti-obstruction protective collar, emergency stop button NHT04S also has a key release. This ensures that only authorised persons can restart the machine after it has been stopped.

Product Datasheet

Emergency stop button NHT05D

tinywow_nht05d-perspective.002-2-960x960_72004635
  • Latching detent for anti-rotation protection and to prevent easy removal
  • Optical switch position indicator (green ring)
  • Simple rotary release
  • When used in combination with emergency stop enclosure NHG01, it can be used as a surface mounted version
  • Matching installation wrench MS01 for simple installation
  • Operation protection collar

Suitable contact elements:

KE20 Contact element with 2 N.C. contacts
KE20SF Contact element with 2 N.C. contacts + failure protection*
KE21 Contact element with 2 N.C. contacts + 1 N.O. contact
KE21SF Contact element with 2 N.C. contacts + 1 N.O. contact + failure protection*

*The failure protection system detects whether the contact elements are assembled correctly and switches the safety circuit off if a contact element should detach due to external influences.

The following safety control units / safety relays are suitable for integration into the safety product line:

470… eloFlex Mini 2 two-channel inputs, freely configurable
471… eloFlex 4 two-channel inputs, freely configurable
485 EP… eloProg up to 128 inputs, freely configurable

 

The operation protection collar of emergency stop button NHT05D prevents inadvertent actuation. The blocking of external mechanical influences enables use in heavily frequented areas, in confined spaces and on mobile machines.

Product Datasheet

Emergency stop button NHT04D

tinywow_nht04d-perspective.003-kopie-960x960_72004668
  • Latching detent for anti-rotation protection and to prevent easy removal
  • Optical switch position indicator (green ring)
  • Simple rotary release
  • LED illumination available with the corresponding contact elements
  • When used in combination with emergency stop enclosure NHG01, it can be used as a surface mounted version
  • Matching installation wrench MS01 for simple installation

Suitable contact elements:

KE20SFB Contact element with 2 N.C. contacts + failure protection* + illumination
KE21SFB Contact element with 2 N.C. contacts + 1 N.O. contact + failure protection* + illumination

*The failure protection system detects whether the contact elements are assembled correctly and switches the safety circuit off if a contact element should detach due to external influences.

The following safety control units / safety relays are suitable for integration into the safety product line:

470… eloFlex Mini 2 two-channel inputs, freely configurable
471… eloFlex 4 two-channel inputs, freely configurable
485 EP… eloProg up to 128 inputs, freely configurable

 

The anti-obstruction protective collar of emergency stop button NHT04D includes LED illumination. This provides permanent illumination to facilitate location of the emergency-stop function in dark environments – or as an additional status indicator.

Product Datasheet

Installation wrench MS01

tinywow_ms01-perspective-kopie-960x960_72004716
  • Plastic installation wrench WAF24
  • For simple installation of the NHT emergncy stop buttons
Product Datasheet

Contact elements for emergency stop buttons

tinywow_ke21sfb-perspective-3-960x960_72004765
  • Preassembled contact elements
  • Positively driven safety contacts for switching the emergency-stop function
  • Signal contact (N.O. contact) for external diagnosis, e.g. display on the machine control unit
  • Failure protection module checks permanent connection of push button and contact element
  • Illumination module for push buttons, with LED illumination integrated in the snti-obstruction protective collar

Matching contact element for every emergency-stop application: The various functions are combined into the contact elements. The functions can be assigned to the corresponding module which is identifiable by its colour.

Product Datasheet

Emergency stop enclosure NHG01

tinywow_nhg01-perspective002-1-960x960_72004804
  • ISO surface-mounted housing in IP65/IP69K (depending on the used E-stop button)
  • For simple installation of the NHT.. emergency stop buttons with KE.. contact elements

Surface-mounted housing for installing emergency stop buttons

Product Datasheet

Emergency stop button NHT01D

tinywow_nht01d-perspective-960x960_72004873
  • Latching detent for anti-rotation protection and to prevent easy removal
  • Optical switch position indicator (green ring)
  • Simple rotary release
  • Matching installation wrench MS01 for simple installation

Suitable contact elements:

KE20 Contact element with 2 N.C. contacts
KE20SF Contact element with 2 N.C. contacts + failure protection*
KE21 Contact element with 2 N.C. contacts + 1 N.O. contact
KE21SF Contact element with 2 N.C. contacts + 1 N.O. contact
+ failure protection*

*The failure protection system detects whether the contact elements are assembled correctly and switches the safety circuit off if a contact element should detach due to external influences.

The following safety control units / safety relays are suited for integration into the safety product line:

470… eloFlex Mini 2 two-channel inputs, freely configurable
471… eloFlex 4 two-channel inputs, freely configurable
485 EP… eloProg up to 128 inputs, freely configurable

 

The most compact emergency stop button, specially intended for installation in control panels with its space-saving design.

Product Datasheet

Emergency stop button NHT02D

tinywow_nht02d-perspective-kopie-960x960_72004916
  • High IP6K9K protection class ensures resistance to aggressive cleaning agents and disinfectants, and ability to withstand intensive cleaning.
  • Latching detent for anti-rotation protection and to prevent easy removal
  • Simple rotary release
  • Matching installation wrench MS01 for simple installation

Suitable contact elements:

KE20 Contact element with 2 N.C. contacts
KE20SF Contact element with 2 N.C. contacts + failure protection*
KE21 Contact element with 2 N.C. contacts + 1 N.O. contact
KE21SF Contact element with 2 N.C. contacts + 1 N.O. contact + failure protection*

*The failure protection system detects whether the contact elements are assembled correctly and switches the safety circuit off if a contact element should detach due to external influences.

The following safety control units / safety relays are suited for integration into the safety product line:

470… eloFlex Mini 2 two-channel inputs, freely configurable
471… eloFlex 4 two-channel inputs, freely configurable
485 EP… eloProg up to 128 inputs, freely configurable

Thanks to its gaiter-sealed design and hygiene certification, the emergency stop button NHT02D is suitable for use on food-processing machinery – in the food zone as well as in the splash and non-food zone.

Product Datasheet

Emergency stop button NHT03

tinywow_nht03d-perspective.002-kopie-960x960_72004967
  • Latching detent for simple installation anti-rotation protection and to prevent easy removal
  • Optical switch position indicator (green ring)
  • Simple rotary release
  • When used in combination with emergency stop enclosure NHG01, it can be used as a surface mounted version
  • Matching installation wrench MS01 for simple installation

Suitable contact elements:

KE20 Contact element with 2 N.C. contacts
KE20SF Contact element with 2 N.C. contacts  + failure protection*
KE21 Contact element with 2 N.C. contacts + 1 N.O. contact
KE21SF Contact element with 2 N.C. contacts + 1 N.O. contact + failure protection*

*The failure protection system detects whether the contact elements are assembled correctly and switches the safety circuit off if a contact element should detach due to external influences.

The following safety control units / safety relays are suitable for integration into the safety product line:

470… eloFlex Mini 2 two-channel inputs, freely configurable
471… eloFlex 4 two-channel inputs, freely configurable
485 EP… eloProg up to 128 inputs, freely configurable

The anti-obstruction protective collar of emergency stop button NHT03D ensures that actuation is possible at all times.

Product Datasheet

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