Ex ZS 73 SR-3D

  • Ex zone 22
  • Metal enclosure
  • 2 contacts
  • Belt-alignment roller made of stainless steel 1.4301
  • Belt alignment lever continuously adjustable using a clamp mechanism

Technical data

Applied standards EN 60947-5-1, EN 60947-5-5, EN 60079-0, EN 60079-31, EN ISO 13849-1
Enclosure aluminium die-cast, enamel finish
Cover thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0
Degree of protection IP 65/67 to IEC/EN 60529
B10d (10 % load) 2 million
TM max. 20 years
Contact material silver
Switching system slow action, positive break NC contacts
Switching elements 1 NC/1 NO contact, type Zb
Connection screw connection terminals
Cable entry 1 x M20 x 1.5
Clamping range 6 … 12 mm
Rated operating current/voltage Ie/Ue 6 A/250 VAC
Rated operating isolation voltage Ui 250 V
Conventional thermal current Ithe 6 A
Utilisation category AC-15
Short-circuit protection 6 A gG/gN fuse
Ambient temperature –20 °C … +65 °C
Mechanical life > 1 million operations
Ex marking II 3D Ex tc IIIC T80°C Dc

Ordering details

Mid-position centered

Type   Material no.  
Type    Material no.   
Ex ZS 73 SR 1Ö/1S-3D - mid-position centered 1190025
Type    Material no.   
Ex ZS 73 SR 1S/1Ö UE-3D - mid-position centered 1186670
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.