ZS 73 S

  • Metal enclosure
  • 2 or 3 contacts
  • Wire length up to 2 x 100 m
  • Release by push-button (VD) or key (VS) possible
  • Available without unlocking mechanism (per EN 60947-5-1)
  • Wire pull and breakage detection
  • Indicator lamps for various voltages can be found in the chapter Accessories in the Appendix
  • Indicator lamp position in the left side cable entry, other positions possible on request
  • With 2 cable entries available on request
  • Ex version available
  • Niro version available with pull-wire lever and screws made of stainless steel 1.4305 and hard-coated enclosure with enamel finish - see chapter/ ZS 73 S Niro hard-coated Extreme >

Technical data

StandardsEN 60947-5-1, -5;
EN ISO 13850; EN ISO 13849-1
Enclosurealuminium die-cast, enamel finish
Coverglass-fibre reinforced, shock-proof thermoplastic (PA 66), self-extinguishing UL 94-V0
Degree of protectionZS 73 S VD: IP 65;
ZS 73 S VS: IP 54
to IEC/EN 60529
Contact materialsilver
Switching elements1 NC/1 NO, 2 NC or 2 NC/1 NO, type Zb
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
Uimp2 contacts: 6 kV,
3 contacts: 1 kV
Ui2 contacts: 400 V,
3 contacts: 250 V
Ithe2 contacts: 6 A, 3 contacts: 2 A
Utilisation categoryAC-15
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
Featureswire pull and breakage detection
Approvals

Ordering details

Release by push-button

Type   Material no.  
Type    Material no.   
ZS 73 S 1Ö/1S VD stock type Standard versions, in stock or available at short notice 1053107
Order now
Type    Material no.   
ZS 73 S 2Ö VD 1166652
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
Type    Material no.   
ZS 73 S 2Ö/1S VD stock type Standard versions, in stock or available at short notice 1184854
Order now
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Release by key

Type   Material no.  
Type    Material no.   
ZS 73 S 1Ö/1S VS 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.