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Ex belt alignment switch

Ex ZS 73 SR 1Ö/1S-3D - 3m - mid-position

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Product features

Ex
  • Ex zone 22

  • Metal enclosure

  • 2 contacts

  • Cable

  • Mid-position centered (lever springs back to mid-position)

  • Belt alignment lever adjustable in 12° steps using a self-locking mechanism

  • Belt-alignment roller made of stainless steel 1.4301 / AISI 304

Technical data

Applied standards

EN 60947-5-1, EN IEC 60079-0, EN 60079-1, EN 60079-31, EN ISO 13849-1

Enclosure

aluminium die-cast, enamel finish

Cover

thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0

Degree of protection

IP65/IP67 (IEC/EN 60529)

B10d (10 % load)

2 million

TM

max. 20 years

Switch insert

1 x Ex 14

Contact material

silver

Switching system

slow action, positive break NC contacts A

Switching elements

1 NC/1 NO contact, type Zb

Connection

pre-wired cable H05VV-F

Cable cross-section

4 x 0.75 mm² (incl. conductor ferrules)

Cable length

3 m

Rated impulse withstand voltage Uimp

4 kV

Rated insulation voltage Ui

250 V

Conventional thermal current Ithe

6 A

Rated operating current/voltage Ie/Ue

6 A/250 VAC; 0.25 A/230 VDC

Utilisation category

AC-15; DC-13

Short-circuit protection

6 A gG/gN fuse

Ambient temperature

–20 °C … +65 °C

Mechanical life

> 1 million operations

Ex marking

L II 3D Ex tc IIIC T80°C Dc

Impact energy

max. 7 J

Weight

1288 g

Downloads

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Mounting and wiring instructions – Ex ZS 73 SR-3D

German, English, French, Italian, Portuguese

PDF2 MB 11.07.2025

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Ex belt alignment switch

Ex ZS 73 SR 1Ö/1S-3D - 3m - mid-position

Article no.: on request

This product is only available on request, please contact our sales team. contact us