Position switch

ES 51 DD 1Ö/1S

Article no.: 1047040Old article no.: 51025001

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Product features

  • Metal enclosure

  • 1 cable entry M16 x 1.5

  • Actuator: Rod lever DD

  • Wear-resistant plastic tip

  • Lever can be repositioned in 10° steps clockwise or counter-clockwise

  • Actuator can be repositioned by 180°

Technical data

Applied standards
EN 60947-5-1
Enclosure
aluminium die-cast, powder-coated, RAL 7016
Cover
steel, powder-coated, RAL 1003
Degree of protection
IP65 (IEC/EN 60529)
Contact material
silver
Switching system
slow action
Switching elements
1 NC/1 NO contact, type Zb
Connection
screw connection terminals
Cable cross-section
max. 1.5 mm² (incl. conductor ferrules)
Cable entry
1 x M16 x 1.5 (for cable glands only)
Rated impulse withstand voltage Uimp
4 kV
Rated insulation voltage Ui
400 V
Conventional thermal current Ithe
4 A
Utilisation category
AC-15
Rated operating current/voltage Ie/Ue
4 A/400 VAC
Short-circuit protection
4 A gG fuse
Mechanical life
> 1 million operations
Operation cycles
max. 3600/h
Ambient temperature
–20 °C … +80 °C
Repeat accuracy of switching points
± 0.1 mm
Approvals
a
Weight
192 g

Dimensional drawing

Further drawings

Contact diagram
Switching diagram

Downloads

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Mounting and wiring instructions – ES 51

German, English, French, Italian, Portuguese

PDF1 MB 13.03.2026

Variants / Options

The following variants / options are available on request:

  • Gold-plated contacts

  • Plug-in connector M12 x 1, 5-pole

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Position switch

ES 51 DD 1Ö/1S

Article no.: 1047040Old article no.: 51025001

contact us