ZS 73

  • Metal enclosure
  • 2 contacts
  • Wire length up to 130 m
  • 2 different spring force variants available
  • 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
  • Watertight collar W for protection against penetration of dirt available
  • 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 Niro hard-coated Extreme >
  • Version for low temperatures down to -40 °C available - see chapter / ZS 73 -40°C 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 WVD: IP 65; ZS 73 VD, ZS 73 VS and ZS 73 WVS: IP 54 to IEC/EN 60529
Contact materialsilver
Switching elements1 NC/1 NO contact or 2 NC contacts, type Zb
Switching systemsnap action, positive break NC contacts
Connectionscrew connection terminals
Cable cross-sectionmax. 2.5 mm² (incl. conductor ferrules)
Cable entry1 x M16 x 1.5
B10d (10 % load)200 000
TMmax. 20 years
Rated impulse withstand voltage Uimp6 kV
Rated operating isolation voltage Ui400 V
Conventional thermal current Ithe6 A
Utilisation categoryAC-15
Rated operating current/voltage Ie/Ue6 A/400 VAC
Max. fuse rating6 A gG/gN fuse
Ambient temperature–25 °C … +70 °C
Mechanical life> 100 000 operations
Indicator lampas option
Max. wire length130 m
Approvals

Ordering details

Release by push button

Type   Material no.  
Type    Material no.   
ZS 73 1Ö/1S VD / 295-390 N 1048208
Type    Material no.   
ZS 73 1Ö/1S VD / 120-180 N stock type Standard versions, in stock or available at short notice 1048218
Type    Material no.   
ZS 73 2Ö VD / 295-390 N stock type Standard versions, in stock or available at short notice 1048242
Type    Material no.   
ZS 73 2Ö VD / 120-180 N 1163665
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 1Ö/1S VS / 295-390 N 1048209
Type    Material no.   
ZS 73 1Ö/1S VS / 120-180 N 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.
Type    Material no.   
ZS 73 2Ö VS / 295-390 N 1052621
Type    Material no.   
ZS 73 2Ö VS / 120-180 N 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.

Release by push button + watertight collar

Type   Material no.  
Type    Material no.   
ZS 73 1Ö/1S WVD / 295-390 N stock type Standard versions, in stock or available at short notice 1048225
Type    Material no.   
ZS 73 1Ö/1S WVD / 120-180 N 1048233
Type    Material no.   
ZS 73 2Ö WVD / 295-390 N stock type Standard versions, in stock or available at short notice 1048249
Type    Material no.   
ZS 73 2Ö WVD / 120-180 N 1048258
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 + watertight collar

Type   Material no.  
Type    Material no.   
ZS 73 1Ö/1S WVS / 295-390 N 1048226
Type    Material no.   
ZS 73 1Ö/1S WVS / 120-180 N 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.
Type    Material no.   
ZS 73 2Ö WVS / 295-390 N 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.
Type    Material no.   
ZS 73 2Ö WVS / 120-180 N 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.