ZS 73 SR

Features/Options

  • Metal enclosure
  • 2 contacts
  • Release by push-button (VD) or key (VS) possible
  • Belt-alignment roller made of stainless steel
  • Indicator lamps for various voltages can be found in the chapter Accessories in the Appendix
  • Indicator lamp position in the left side cable entry, other positions possible on request
  • With 2 cable entries available on request
  • Ex version available

Technical data

StandardsEN ISO 13849-1; EN 60947-5-1
Enclosurealuminium die-cast, enamel finish
Coverglass-fibre reinforced, shock-proof thermoplastic (PA 66), self-extinguishing UL 94-V0
Degree of protectionZS 73 SR VD: IP 65
ZS 73 SR VS: IP 54
to IEC/EN 60529
Contact materialsilver
Switching elements1 NC/1 NO contact or 2 NC 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 M20 x 1.5
B10d (10 % Load)ZS 73 SR VD/VS: 200 000;
ZS 73 SR: 2 million
TMmax. 20 years
Uimp6 kV
Ui400 V
Ithe6 A
Utilisation categoryAC-15
Ie/Ue6 A/400 VAC
Max. fuse rating6 A gG/gN fuse
Ambient temperature–25 °C … +70 °C
Mechanical lifeZS 73 SR VD/VS:
> 100 000 operations;
ZS 73 SR:
> 1 million operations
Indicator lampas option
Approvals
Ordering details
Type code

Release by push-button

Type   Material no.
ZS 73 SR 1Ö/1S VD stock type Standard versions, in stock or available at short notice 1177256
ZS 73 SR 2Ö VD 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.

Release by key

Type   Material no.
ZS 73 SR 1Ö/1S VS 1188743
ZS 73 SR 2Ö VS 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.

Without latching

Type   Material no.
ZS 73 SR 1Ö/1S 1185572
ZS 73 SR 2Ö 1188646
ZS 73 SR 1S/1Ö UE mid-position 1184883
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
Accessories
Type   Material no.
Indicator lamp glow lamp 24 VDC stock type Standard versions, in stock or available at short notice 1164937
Type   Material no.
Indicator lamp 24 VAC DC stock type Standard versions, in stock or available at short notice 1348797