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

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 (PA 66), self-extinguishing UL 94-V0
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
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
Ordering details

Snap action

1 NC/1 NO contact

Type   Material no.
ZS 73 S 1Ö/1S VD Niro hard-coated Extreme 1048206

Snap action

2 NC contacts

Type   Material no.
ZS 73 S 2Ö VD Niro hard-coated Extreme on request Produced to order.

Snap action

2 NC/1 NO contact

Type   Material no.
ZS 73 S 2Ö/1S VD Niro hard-coated Extreme 1186349
Type   Material no.
Pulley 1041765
Type   Material no.
Wire clamp 3 mm stainless steel 1033299
Type   Material no.
Wire thimble 3 mm stainless steel 1172707
Type   Material no.
Tensioner M8 stainless steel 1033300