Belt alignment switch

ZS 73 1Ö/1S SR mid-position

Article no.: 1179459

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Product features

  • Metal enclosure

  • 2 contacts

  • Without mechanical latching

  • Belt-alignment roller made of stainless steel 1.4104

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

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

Technical data

Applied standards
EN 60947-5-1, 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 (IEC/EN 60529)
B10d (10 % load)
2 million
TM
max. 20 years
Contact material
silver
Switching elements
1 NC/1 NO contact
Switching system
snap action, positive break NC contacts A
Connection
screw connection terminals
Cable cross-section
max. 2.5 mm² (incl. conductor ferrules)
Cable entry
2 x M20 x 1.5
Rated impulse withstand voltage Uimp
6 kV
Rated insulation voltage Ui
400 V
Conventional thermal current Ithe
6 A
Utilisation category
AC-15
Rated operating current/voltage Ie/Ue
6 A/400 VAC
Short-circuit protection
6 A gG/gN fuse
Ambient temperature
–25 °C … +70 °C
Mechanical life
> 1 million operations
Approvals
da
Weight
1300 g

Dimensional drawing

Further drawings

Switching diagram
Contact diagram

Downloads

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Mounting and wiring instructions – ZS 73 SR

German, English, French, Italian, Portuguese, Russian

PDF3 MB 13.11.2025

Variants / Options

The following variants / options are available on request:

  • 2 cable entries

to your contact persons
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Belt alignment switch

ZS 73 1Ö/1S SR mid-position

Article no.: 1179459

contact us