ZS 73 -40°C Extreme


  • Cold-resistant down to -40 °C
  • Metal enclosure
  • 2 contacts
  • Wire length up to 130 m
  • 2 different spring force variants (actuating forces) available
  • Release by push-button (VD)
  • Wire pull and breakage detection
  • Watertight collar W for protection against penetration of dirt available
  • With 2 cable entries available on request
  • N.B.: Please state required international approvals with your order!

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 WVD: IP 65;
ZS 73 VD: IP 54
to IEC/EN 60529
Contact materialsilver
Switching elements1 NC/1 NO contact or 2 NC contacts
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
Uimp6 kV
Ui400 V
Ithe6 A
Utilisation categoryAC-15
Ie/Ue6 A/400 VAC
Max. fuse rating6 A gG/gN fuse
Ambient temperature–40 °C … +70 °C
Mechanical life> 100 000 operations
Max. wire length130 m
Featureswire pull and breakage detection
Ordering details

Release by push-button

Type   Material no.
ZS 73 1Ö/1S VD 295-390N -40°C Extreme 1190416
ZS 73 1Ö/1S VD 120-180N -40°C Extreme 1188408

Release by push-button + watertight collar

Type   Material no.
ZS 73 1Ö/1S WVD 295-390N -40°C Extreme on request Produced to order.
ZS 73 1Ö/1S WVD 120-180N -40°C Extreme 1188083