ZS 91 SR 4Ö/2S VD -40°C ... +85°C IP66/67 Extreme

Belt-alignment switch
Material number: 1242228
(Material number old: 76931502)
  • Temperature resistant from -40 °C to +85 °C
  • High degree of protection IP 66 / IP 67
  • Thermoplastic enclosure
  • 6 contacts
  • Release by lever
  • Belt-alignment lever can be repositioned in 6° steps clockwise or counter-clockwise
  • N.B.: Please state required international approvals with your order!

Technical data

StandardsEN ISO 13849-1; EN 60947-5-1
Enclosureglass-fibre reinforced, shock-proof thermoplastic (PA 66), self-extinguishing UL 94-V0
Coverglass-fibre reinforced, shock-proof thermoplastic (PA 66), self-extinguishing UL 94-V0
Tightening torquecover screws: max. 0.8 Nm,
actuator screw: max. 3.3 Nm
Degree of protectionIP 66/67 to IEC/EN 60529
Contact materialsilver
Switching elements4 NC/2 NO contacts, type Zb
Switching systemsnap action, positive break NC contacts
Connectionscrew connection terminals
Cable cross-sectionmax. 2.5 mm² (incl. conductor ferrules)
Cable entry2 x M25 x 1.5
B10d (10 % load)80 000
TMmax. 20 years
Uimp6 kV
Ui400 V
Ithe6 A
Conditional short-circuit current1100 A
Utilisation categoryAC-15
Ie/Ue6 A/400 VAC
Max. fuse rating6 A gG/gN fuse
Ambient temperature–40 °C … +85 °C
Mechanical life> 40 000 operations

Switching diagram

Contact diagram