ZS 73 Niro hard-coated Extreme

  • Pull-wire unit and screws made of stainless steel 1.4305, hard-coated enclosure with enamel finish
  • Metal enclosure
  • 2 contacts
  • Wire length up to 130 m
  • 2 different spring force variants available
  • Release by push button (VD)
  • Watertight collar W for protection against penetration of dirt
  • 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
  • Attention: Please state required international approvals with your order!

Technical data

Applied standards EN 60947-5-1, EN 60947-5-5, EN ISO 13850, EN ISO 13849-1
Enclosure aluminium die-cast, hard-coated, enamel finish
Cover thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0
Degree of protection IP 65 to IEC/EN 60529
B10d (10 % load) 200 000
TM max. 20 years
Contact material silver
Switching elements 1 NC/1 NO contact or 2 NC contacts
Switching system snap action, positive break NC contacts
Connection screw connection terminals
Cable cross-section max. 2.5 mm² (incl. conductor ferrules)
Cable entry 1 x M16 x 1.5
Rated impulse withstand voltage Uimp 6 kV
Rated insulation voltage Ui 400 V
Conventional thermal current Ithe 6 A
Utilisation category AC-15
Rated operating current/voltage Ie/Ue 6 A/400 VAC
Short-circuit protection 6 A gG/gN fuse
Ambient temperature –25 °C … +70 °C
Mechanical life > 100 000 operations
Indicator lamp as option
Max. wire length 130 m
Approvals

Ordering details

Snap action, 1 NC/1 NO contact

Type   Material no.  
Type    Material no.   
ZS 73 1Ö/1S WVD / 295-390 N Niro hard-coated Extreme 1048228
Type    Material no.   
ZS 73 1Ö/1S WVD / 120-180 N Niro hard-coated Extreme 1048231

Snap action, 2 NC contacts

Type   Material no.  
Type    Material no.   
ZS 73 2Ö WVD / 295-390 N Niro hard-coated Extreme 1053932
Type    Material no.   
ZS 73 2Ö WVD / 120-180 N Niro hard-coated Extreme 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.

Accessories

Tensioner M8 stainless steel
  • For precise adjustment of pull-wire pre-stress
  • According to DIN 1480
  • Made of stainless steel
  • Adjustable from 160 mm to 255 mm
Pull-wire stainless steel Ø 5 mm per metre
  • Stainless steel core Ø 3 mm with red PVC sheath
  • Total diameter 5 mm
  • Ordering unit: per meter
Pulley stainless steel
  • To guide the pull-wire where the path is not a straight line
  • Roller: polyamide
Wire clamp 3 mm stainless steel
  • For pull-wire with steel core Ø 3 mm
  • Stainless steel
Wire thimble RW 3 stainless steel
  • For pull-wire with steel core Ø 3 mm
  • Stainless steel 1.4401
Eye bolt BM8 x 70 with nut, stainless steel
  • According to DIN 444
  • 70 mm length referring to eye centre, 25 mm thread length,
    M8 x 1.25 thread
  • Stainless steel
Compensation spring ZS 73/75-200N
  • With travel limitation
  • Adaption of length expansions caused by changes in temperature
  • Version consisting of: wire rope with red PVC sheath, 2 carabiner galvanized and tension spring (1.4310)
Compensation spring ZS 73/75-400N
  • With travel limitation
  • Adaption of length expansions caused by changes in temperature
  • Version consisting of: wire rope with red PVC sheath, 2 carabiner galvanized and tension spring (1.4310)
Cable Tensioner System TS 65
  • Only one tool
  • Injury-free
  • Ergonomically designed
  • Easy to adjust
  • Non-slip
  • Time-saving