// CONTROL TECHNOLOGY

Belt-alignment switches
ZS 73 SR

Technical data

Standards IEC/EN 60947-5-1
Enclosure aluminium die-cast, enamel finish;
Cover glass-fibre reinforced, shockproof thermoplastic, ultramid
Protection class 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 Zwangsöffnung
Termination screw terminals
Cable section max. 2.5 mm2
(incl. conductor ferrules)
Cable entry 1 x M20 x 1,5
Uimp 6 kV
Ui 400 V
Ithe 6 A
Utilisation category AC-15
Ie/Ue 6 A/400 VAC
Max. fuse rating 6 A gL/gG D-fuse
Ambient temperature –25 °C … +70 ºC
Mech. life > 1 million operations
Indicator lamp as option
Approvals

Kontaktvarianten

  Snap action   
1 NC/1 NO contact
ZS 73 SR 1Ö/1S
2 NC contacts
ZS 73 SR 2Ö

Features/Options

  • 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

Key release VS