Ex safety switch with separate actuator

Ex ST 14 1Ö/1S - 10m

Article no.: 1045450Old article no.: 14053303

Product features

Ex zone 1 and 21
Thermoplastic enclosure
With pre-wired cable
Attention: Please state required international approvals with your order!

Notes

The actuator is not included in the delivery of the switches.

Technical data

General technical data

Applied standards: EN 60947-5-1, EN IEC 60079-0, EN 60079-1, EN 60079-31, EN ISO 13849-1, EN ISO 14119

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

Switch type: type 2

Coding level: low coding

Degree of protection: IP65 (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 (incl. conductor ferrules)

Cable length: 10 m

Rated impulse withstand voltage U_imp: 4 kV

Rated insulation voltage U_i: 250 V

Conventional thermal current I_the: T6: 6 A, T5: 3 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

Positive break travel: 8 mm

Ambient temperature: T6: –20 °C … +65 °C,
T5: –20 °C … +75 °C, +90 °C with max. 3 A

Mechanical life: > 1 million operations

Ex marking: L II 2G Ex db IIC T6/T5 Gb,
L II 2D Ex tb IIIC T80 °C/T95 °C Db

Approvals: PTB 03 ATEX 1070 X
IECEx PTB 06.0098X
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Weight: 794 g

Dimensional drawing

Further drawings

Switching diagram

T Positive break travel/angle

Note
Inserted position of actuator = 0 in switching diagram.
The actuator is not included with the switches.

Contact diagram

Downloads

Mounting instructions

Declarations of Conformity

Certificates

Data sheets

STEP-Files

Mounting and wiring instructions – Ex ST 14

German, English, French, Italian, Portuguese

PDF2 MB 15.12.2025

Variants / Options

The following variants / options are available on request:

Cable entry on side
Special version only for dust Ex zone 22
Cold-resistant version down to -40 °C

to your contact persons