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 1.4104
- Indicator lamps for various voltages are indicated in 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
Product image

Technical data
| Standards | EN ISO 13849-1; EN 60947-5-1 |
|---|---|
| Enclosure | aluminium die-cast, enamel finish |
| Cover | glass-fibre reinforced, shock-proof thermoplastic, ultramid |
| Degree of protection | ZS 73 SR VD: IP 65 ZS 73 SR VS: IP 54 to IEC/EN 60529 |
| Contact material | silver |
| Switching elements | change-over contact with double break or 2 NC contacts |
| Switching system | snap action, positive break NC contacts ![]() |
| Connection | screw terminals |
| Cable section | max. 2.5 mm² (incl. conductor ferrules) |
| Cable entry | 2 x M20 x 1.5 |
| B10d (10 % Load) | ZS 73 SR VD/VS: 200.000; ZS 73 SR: 2 million |
| TM | max. 20 years |
| Uimp | 6 kV |
| Ui | 400 V |
| Ithe | 6 A |
| Utilisation category | AC-15 |
| Ie/Ue | 6 A/400 VAC |
| Max. fuse rating | 6 A gG/gN fuse |
| Ambient temperature | –25 °C … +70 °C |
| Mechanical life | ZS 73 SR VD/VS: > 100.000 operations; ZS 73 SR: > 1 million operations |
| Indicator lamp | as option |
| Approvals | ![]() |















