ZS 71

Features/Options

  • Metal enclosure
  • 3 contacts
  • Small design
  • Wire length up to 35 m
  • Release by push button (VD) or key (VS) possible
  • Available without unlocking mechanism (per DIN EN 60947-5-1)
  • Wire pull and breakage detection
  • Watertight collar W for protection against penetration of dirt available
  • Position indicator A not available for variant ZS 71 NA
  • Version with emergency-stop push button available for direct and fast actuation at the switch
  • Indicator lamps for various voltages are indicated in chapter accessories in the appendix
  • Indicator lamp position in the left side cable entry
  • Ex version available
  • Version with higher degree of protection IP 69K available - see chapter / Switchgear with degree of protection IP 69K >

Product image

 

Technical data

Standards EN ISO 13849-1;
IEC/EN 60947-5-1;
IEC/EN 60947-5-5; EN 418
Enclosure aluminium die-cast, enamel finish
Cover glass-fibre reinforced, shock-proof thermoplastic, ultramid
Degree of protection ZS 71 VD, ZS 71 WVD and
ZS 71 NA: IP 65; ZS 71 VS and
ZS 71 WVS: IP 54
to IEC/EN 60529
Contact material silver
Switching system snap action, positive break
NC contacts Zwangsöffnung
Switching elements 2 NC/1 NO contacts with double break
Connection screw terminals
Cable section max. 2.5 mm2
(incl. conductor ferrules)
Cable entry 2 x M20 x 1.5
B10d (10% Load) 200.000
TM max. 20 years
Uimp 6 kV
Ui 400 V
Ithe 2 A
Utilisation category AC-15
Ie/Ue 2 A/250 VAC
Max. fuse rating 6 A gG/gN-fuse
Ambient temperature –25 °C … +70 ºC
Mech. life > 100.000 operations
Indicator lamp as option
Max. wire length 35 m
Features wire pull and breakage detection
Approvals BRD