Ex switchgear to ATEX Catalogue - steute Schaltgeräte

Catalogue Ex switchgear to ATEX Catalogue

www.steute.de

Page

/ 324

steute Schaltgeräte - 208535, 82057, 247570, 94831, 99188

/ 324

See other catalogues for steute Schaltgeräte

Text version of the page

Ex switchgear Industrial safety switches

Pull-wire emergency stop buttons EEx ZS 73 range

1.5.2

Actuating The values quoted relate to the switch being deflection/ mounted at an ambient temperature of 20 °C. force Stretching of the wire due to elongation

and deformation of the wire thimbles has

not been taken into account.

The actuating forces given are only professional guide

values, since the professional spring forces are subject

to tolerances.

Actuating deflections and forces relate to a 5 m long wire.

Pre- Actuating Actuating Recommended Ordering

tensioning deflection S force F [N] cable length [m] suffix

force [N] [cm]

295-390 195-275 120-180 80-100

12 12

60 41

25 8

30-50 20-30 10-20

<10

-295N -195N -120N -80N

-10 0 10 20 30 40 50 60 70 80 T['C]

Temperature Recommended lengths of wire for pull-wire range manufacturer of emergency stop switches in relation to the

range of ambient temperature.

Contacts/ Switch travel

1 NO 1 NC

BK23—^ BN 11—^H

•24BK •12 BU

6_S

.23-24 11-12

6,5 4

4 6,5

EEx ZS 73 1Ò/1S VD EEx ZS 73 1Ò/1S VS

EEx ZS 73 1Ò/1S WVD EEx ZS 73 1Ò/1S WVS

Push button reset Key reset

Push button reset, watertight collar Key reset, watertight collar

Note Ordering suffix for pretenslonlng force must al-

ways be added to part number, see ordering details.

Ordering EEx ZS 73 range pull-wire emergency stop details switch for one-side operation with one NO and

one NC contact, key reset, watertight collar and

295-390 N pretensioning force:

EEx ZS 73 10/1S WVS-295N

steute

191