Position switch with safety function

ES 14 WKU 1Ö/1S - 2m

Article no.: 1180567Old article no.: 14004004

Product features

Thermoplastic enclosure with cable
Mounting details to EN 50047
Suitable for in-line mounting
Actuator: Ball plunger with collar WKU
Vertical actuation or actuation from side possible
Actuator with captive stainless steel ball
Watertight collar for protection against penetration of dirt

Technical data

General technical data

Applied standards: EN ISO 13849-1, EN 60947-5-1, EN ISO 14119

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

Switch type: type 1

Coding level: no coding

Degree of protection: IP67 (IEC/EN 60529)

B_10d (10 % load): 2 million

T_M: max. 20 years

Contact material: silver

Switching system: slow action, positive break NC contacts A

Switching elements: 1 NC/1 NO contact, type Zb

Connection: cable H05VV-F

Cable cross-section: 4 x 0.75 mm²

Cable length: 2 m

Rated impulse withstand voltage U_imp: 4 kV

Rated insulation voltage U_i: 250 V

Conventional thermal current I_the: 6 A

Rated operating current/voltage I_e/U_e: 6 A/250 VAC; 0.25 A/230 VDC

Utilisation category: AC-15; DC-13

Short-circuit protection: 6 A gG fuse

Safety class: II

Ambient temperature: –20 °C … +75 °C

Mechanical life: > 1 million operations

Actuating speed: max. 0.5 m/s with a vertical actuating angle of 20°

Operation cycles: max. 1800/h

Repeat accuracy of switching points: ± 0.1 mm

Contact opening: max. 2 x 4 mm

Approvals: a

Weight: 196 g

Dimensional drawing

Further drawings

Contact diagram

Switching diagram

T Positive break travel/angle

Downloads

Mounting instructions

Declarations of Conformity

Certificates

Data sheets

STEP-Files

Mounting and wiring instructions – ES/EM 14

German, English, French, Italian, Portuguese

PDF1 MB 28.05.2026

Variants / Options

The following variants / options are available on request:

Cable entry on side
Plug-in connector M12 x 1, 4-pole
Gold-plated contacts
Latching element (On-/Off principle)
Version with cCSAus approval
Contact overlapping (only slow action)

to your contact persons

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