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 (to 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

Applied standardsEN 60947-5-1, -5;
EN ISO 13850; EN ISO 13849-1
Enclosurealuminium die-cast, enamel finish
Coverglass-fibre reinforced, shock-proof thermoplastic, self-extinguishing UL 94 V-0
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
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

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
Type    Material no.   
ZS 73 S 2Ö VD 1166652
Type    Material no.   
ZS 73 S 2Ö/1S VD stock type Standard versions, in stock or available at short notice 1184854
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.