Designation

Pull-rope emergency stop switch type HEN EX
  Emergency stop device with latching function

Type of actuation

Bidirectional (double-side)

Complies with

EN 60947-5-5; EN 60079-31; (EN IEC 60079-0)

Suited for

Controls and systems in accordance with DIN EN 60204-1

ATEX/ IECEx

Device group / device category

II / 2D, 3D; lammable, conductive dust

Type of protection

Protection through housing

for Zone 21, 22     HEN EX II 2D

II 2D Ex tb IIIC T85°C Db IP67

for Zone 22   HEN   EX II 3D

II 3D Ex tc IIIC T85°C Dc IP67

Certificates

EPS 12 ATEX 1 479 X, IECEx EPS 14.0040X

Mechanics

Enclosure

Aluminum

Finish

PU 2K -paint Enclosure – yellow (RAL 1004), release   lever – red (RAL 3000), reset lever – blue (RAL 5010)

Mounting

2 x M8

Pull-rope length (approved, max.)

2 x 50m (typical), 2 x 125m possible

Actuation force

30 N ± 10 N

Weight

2,0 kg

Electrical system

Switching system

Up to 3 NC and NO contacts; cam operated   positve-opening switches (EN 60947-5-1)

Cable entry (included in scope of supply)

2 x M25 x 1,5, with red transport lock (1x screwed   cable gland: sealing area Ø 10 mm to Ø 17 mm; 1x dummy screw)

Utilization category

AC-15: 230 V / 6 A
  DC-13: 125 V / 0,8 A
  DC-13: 24 V / 2 A

Connection cross section (max.)

2,5 mm2

Protective conductor connection

Protection class I / Protective earthing

Rated insulation voltage Ui

400V

Rated impulse withstand voltage Uimp

2.5 kV, degree of pollution 3

Conventional thermal current Ith

16 A

Ambient conditions in accordance with DIN EN 60947-5-5

Permissible ambient temperature

–25 °C …+70 °C

Extended ambient temperature range

–40 °C …+70 °C (Typen HEN EX 7xx)

Protection rating (EN 60529)

IP 67

Reliability and Safety Data

Safety classification Depending upon system   architecture

DIN EN ISO 13849 -1 (bis PLd)
  DIN EN 62061 (bis SIL 2)

Electrical Reliability

at DC-13: 24 V / 2 A    B10d > 396.000 actuations
  at AC-15: 230 V / 6 A B10d > 396.000 actuations

Mechanical Reliability

> 50.000 actuations