ZS 91 SR -40°C ... +85°C IP66/67 Extreme

Features/Options

  • Temperature resistant from -40 °C to +85 °C
  • High degree of protection IP 66 / IP 67
  • Thermoplastic enclosure
  • 4 or 6 contacts
  • 4 contacts with contact staggering available:
    1 NC and 1 NO contact switching at 15°,
    1 NC and 1 NO contact switching at 25°
  • Release by lever (VD) possible
  • Belt-alignment lever can be repositioned in 6° steps clockwise or counter-clockwise
  • Version with Bus available on request

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 elements3 NC/3 NO contacts, 4 NC/2 NO contacts, 2 NC/2 NO contacts, 3 NC/1 NO contacts or 4 NC contacts with double break
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)ZS 91 SR VD: 80 000,
ZS 91 SR: 2 million
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 lifeZS 91 SR VD:
> 40 000 operations;
ZS 91 SR:
> 1 million operations
Approvals

Stock types

Ordering details
Type code

Snap action

Contact staggering
1 NC/1 NO / 1 NC/1 NO contact

Type   Material no.
ZS 91 SR 1ÖS/1ÖS -40°C ... +85°C IP66/67 Extreme 1208202

Snap action

2 NC/2 NO contacts

Type   Material no.
ZS 91 SR 2Ö/2S -40°C ... +85°C IP66/67 Extreme 1358181

Snap action

3 NC/3 NO contacts

Type   Material no.
ZS 91 SR 3Ö/3S VD -40°C ... +85°C IP66/67 Extreme 1242033

Snap action

4 NC/2 NO contacts

Type   Material no.
ZS 91 SR 4Ö/2S VD -40°C ... +85°C IP66/67 Extreme 1242228

Snap action

2 NC/2 NO contacts

Type   Material no.
ZS 91 SR 2Ö/2S VD -40°C ... +85°C IP66/67 Extreme 1213379

Snap action

3 NC/1 NO contact

Type   Material no.
ZS 91 SR 3Ö/1S VD -40°C ... +85°C IP66/67 Extreme 1241836

Snap action

4 NC contacts

Type   Material no.
ZS 91 SR 4Ö VD -40°C ... +85°C IP66/67 Extreme 1242226