// EXPLOSION PROTECTION

EEx ZS 73

Features/Options

  • Ex zone 1 and 2,
    as well as 21 and 22
  • Metal enclosure
  • 2 contacts
  • Wire length up to 50 m
  • 4 various spring force variants (actuating forces), adjustable actuating force: 295-390 N for 30-50 m, 195-275 N for 20-30 m, 120-180 N for 10-20 m, 80-100 N for max. 10 m
  • Wire pull and breakage function
  • Special version only for equipment category 3D, available for dust Ex zone 22
  • Inmetro approval for Brazil to be ordered separately



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EEx ZS 73

 

Technical data

Standards IEC/EN 60947-5-1, IEC/EN 60947-5-5, EN 50014, EN 50018, EN 50281-1-1
Enclosure aluminium die-cast, enamel finish; ZS 73 NIRO: aluminium die-cast, hard-coated and enamelled
Cover glass-fibre reinforced, shock-proof thermoplastic, ultramid
Switch insert EEx 14
Protection class EEx ZS 73 WVD: IP 65;
EEx ZS 73 VD, EEx ZS 73 VS and
EEx ZS 73 WVS: IP 54 to
IEC/EN 60529
Contact material silver
Switching system slow action, positive break NC contacts Zwangsöffnung
Switching elements change-over contact with double break or 2 NC contacts
Connection cable H05VV-F
B10d(10% Load) 100.000
M 10 years
Cable section 4 x 0.75 mm2
(incl. conductor ferrules)
Cable length 3 m
Uimp 4 kV
Ui 250 V
Ithe 6 A
Utilisation category AC-15, DC-13
Ie/Ue 6 A/250 VAC, 0.25 A/230 VDC
Max. fuse rating 6 A gL/gG D-fuse
Ambient temperature –20 °C … +65 ºC, +75 °C ... T5
Mechanical life > 1 million operations
Max. wire length 50 m
Features wire pull and breakage function
Ex certification EEx geprüft II 2G EEx d IIC T6,
II 2D IP65 T80°C
Approvals PTB 09 ATEX 1066 X
Recommended wire length

Contact variants

  Slow action   
1 NC/1 NO contact
EEx ZS 73 1Ö/1S
2 NC contacts
EEx ZS 73 2Ö

Recommended wire length

Features/Options

  • Indicator lamps for zone 22 for 24VDC are indicated at the end of this chapter
  • Indicator lamp position in the left side cable entry, other positions possible on request
  • Collar W to protect against the entry of foreign bodies
  • EEx ZS 73 NIRO: pull-wire unit and screws made of stainless steel 1.4305, hard-coated enclosure with enamel finish

Features/Options

  • With 2 cable entries available
    on request for zone 22
  • Ex Emergency pull-wire switches are also available without mechanical latching
  • Version for equipment category 3D, dust Ex zone 22 is equipped with a wiring compartment

Watertight collar W

Watertight collar W

EEx ZS 73 NIRO

EEx ZS 73 NIRO

Key release VS

Ex indicator lamp multi-LED coloured

Features/Options

  • Suitable only for zone 2 and 22, 24 VDC
  • Lamp cap red, green or yellow with white LED
  • M20 x 1.5

Ex indicator lamp multi-LED coloured

Ordering details

Ex indicator lamp multi-LED RD 24 VDC
04.00.7122
Ex indicator lamp multi-LED GN 24 VDC
04.00.7123
Ex indicator lamp multi-LED YE 24 VDC
04.00.7124

Ex indicator lamp multi-LED white

Features/Options

  • Suitable only for zone 2 and 22, 24 VDC
  • Lamp cap white with white LED
  • M20 x 1.5

Ex indicator lamp multi-LED white

Ordering details

Ex indicator lamp multi-LED 24 VDC
04.00.7125

Pulley

Features/Options

  • To guide the pull-wire where the path is not a straight line
  • For pull-wire with red PVC sheath
    Ø 5 mm (steel core Ø 3 mm)
  • Ordering unit: 1 piece

Notes

According to EN 418, pulleys may only be mounted such that
the complete length of the pull-wire can be observed.

Pulley

Ordering details

Pulley
04.73.9102

Pull-wire

Features/Options

  • Steel core Ø 3 mm with red
    PVC sheath
  • Total diameter 5 mm
  • Ordering unit: per metre
  • Available with stainless steel core

Pull-wire

Ordering details

Pull-wire Ø 5 mm per metre
01.09.0011

Pull-wire stainless steel Ø 5 mm/m
01.10.0059

Pull-wire set

Features/Options

  • Complete pull-wire set
    consisting of:
    5 m pull-wire Ø 3 mm
    with 2 mm PVC sheath,
    2 wire clamps DIN 741,
    1 wire thimble DIN 6899,
    1 eye bolt DIN 444 and
    1 Duplex wire clamp

Pull-wire set

Ordering details

Complete pull-wire set, 5 m
04.61.7101
(other lengths on request)

Pull-wire for emergency pull-wire switches

Features/Options

  • Pull-wire yellow (polypropylene)
  • With rubber ball and mounting clamp 1, 2, 3 or 4 m long
  • Ordering unit: 1 piece

Pull-wire for emergency pull-wire switches

Ordering details

Pull-wire with ball for emergency
pull-wire switches 1 m
04.73.7101

Pull-wire with ball for emergency
pull-wire switches 2 m
04.73.7103

Pull-wire with ball for emergency
pull-wire switches 3 m
04.73.7104

Pull-wire with ball for emergency
pull-wire switches 4 m
04.73.7102

Wire clamp

Features/Options

  • for pull-wire with steel core Ø 3 mm
  • Ordering unit: 1 piece
  • Wire clamp made of stainless steel available

Wire clamp

Ordering details

Wire clamp 3 mm
01.10.0003

Wire clamp 3 mm stainless steel
01.10.0061

Duplex wire clamp

Features/Options

  • for pull-wire with steel core Ø 3 mm
  • Ordering unit: 1 piece
  • Wire clamp made of stainless steel available

Duplex wire clamp

Ordering details

Duplex wire clam
01.10.0004

Egg-shaped wire clamp

Features/Options

  • For pull-wire with steel core Ø 3 mm
  • Ordering unit: 1 piece

Egg-shaped wire clamp

Ordering details

Egg-shaped wire clamp 3 mm
01.10.0063

Wire thimble 3B

Features/Options

  • Per DIN 6899
  • For pull-wire with steel core Ø 3 mm, part number wire thimble 3B
  • Wire clamp made of stainless steel available
  • Ordering unit: 1 piece

Wire thimble 3B

Ordering details

Wire thimble 3B
01.10.0001

Wire thimble stainless steel
01.10.0084

Eye bolt M8 x 70

Features/Options

  • Per DIN 444
  • Eye bolt M8 x 70 including nut: 70 mm length referring to eye centre, M8 x 1.5 thread, 25 mm thread length
  • M8 x 70 made of stainless steel available
  • Eye bolt BM10 x 40 including nut (without figure): 40 mm length referring to eye centre, M10 x 1.5 thread, 25 mm thread length
  • Ordering unit: 1 piece

Eye bolt M8 x 70

Ordering details

Eye bolt M8x70 with nut
04.00.7112

Eye bolt M8x70 stainless steel
01.03.0210

Eye bolt BM10x40 with nut
01.03.0208

Tensioner M6

Features/Options

  • For precise adjustment of pull-wire pre-stress
  • Per DIN 1480
  • Tensioner M6: adjustable from
    145 mm to 225 mm
  • Tensioner M8 (without figure): made of stainless steel, adjustable from 160 mm to 255 mm
  • Ordering unit: 1 piece

Tensioner M6

Ordering details

Tensioner M6
01.10.0010

Tensioner M8 stainless steel
01.10.0062