ZS 73 S Niro hard-coated Extreme

  • Pull-wire unit and screws made of stainless steel 1.4305, hard-coated enclosure with enamel finish
  • Metal enclosure
  • 2 or 3 contacts
  • Wire length up to 2 x 100 m
  • Release by push-button (VD)
  • Wire pull and breakage detection
  • Indicator lamps for various voltages can be found in the chapter Accessories in the Appendix
  • With 2 cable entries available on request
  • Ex version available
  • N.B.: Please state required international approvals with your order!

Technical data

Applied standardsEN 60947-5-1, -5;
EN ISO 13850; EN ISO 13849-1
Enclosurealuminium die-cast, hard-coated and enamel finish
Coverglass-fibre reinforced, shock-proof thermoplastic, self-extinguishing UL 94 V-0
Degree of protectionIP 67 to IEC/EN 60529
Contact materialsilver
Switching elements1 NC/1 NO, 2 NC or 2 NC/1 NO contact
Switching systemsnap action, positive break NC contacts
Connectionscrew connection terminals
Cable cross-sectionmax. 2.5 mm² (incl. conductor ferrules)
Cable entry2 x M20 x 1.5
B10d (10 % load)200 000
TMmax. 20 years
Rated impulse withstand voltage Uimp2 contacts: 6 kV,
3 contacts: 1 kV
Rated operating isolation voltage Ui2 contacts: 400 V,
3 contacts: 250 V
Conventional thermal current Ithe2 contacts: 6 A, 3 contacts: 2 A
Utilisation categoryAC-15
Rated operating current/voltage Ie/Ue2 contacts: 6 A/400 VAC, 3 contacts: 2 A/250 VAC
Max. fuse rating2 contacts: 6 A gG/gN fuse,
3 contacts: 2 A gG/gN fuse
Ambient temperature–25 °C … +70 °C
Mechanical life> 100 000 operations
Indicator lampas option
Max. wire length2 x 100 m
Approvals

Ordering details

Snap action

1 NC/1 NO contact

Type   Material no.  
Type    Material no.   
ZS 73 S 1Ö/1S VD Niro hard-coated Extreme 1048206
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Snap action

2 NC contacts

Type   Material no.  
Type    Material no.   
ZS 73 S 2Ö VD Niro hard-coated Extreme on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Snap action

2 NC/1 NO contact

Type   Material no.  
Type    Material no.   
ZS 73 S 2Ö/1S VD Niro hard-coated Extreme 1186349
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.