Ex HS Si 4

Applied standards

EN IEC 60079-0, EN 60079-18, EN 60947-5-2, EN 60947-5-3, EN ISO 14119, EN ISO 13849-1, EN 62061

Enclosure

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

Target object / Actuator

Ex MC 4

Sensor type

type 4 interlocking device

Coding level

low coding

Degree of protection

IP66, IP67, IP69 (IEC/EN 60529) / IP69K (ISO 20653)

Switching system

Hall sensor, 2 galvanically separated channels, semiconductor

Switching elements

1 NC/1 NO contact or 2 NC contacts

Connection

cable 6 x AWG 26

Cable length

2, 5 or 10 m, max. 15 m

Rated operating voltage U_e

24 VDC

Rated operating voltage range U_B

10 … 30 VDC

Rated operating current I_e

max. 40 mA per channel

Utilisation category

DC-12

No-load supply current I₀

max. 6 mA per channel

Voltage drop at I_e

max. 2.5 V

Switch-on/switch-off time

< 1 ms

Short-circuit protection

< 50 mA internal reversible fuse

Switching frequency

max. 100 Hz

Safety class

II

Degree of pollution

3

Ambient temperature

–20 °C … +60 °C

Mechanical life

> 10 million operations

Rated switching distance s_n

7 mm

Assured switching distance »ON« s_ao 

6 mm

Assured switching distance »OFF« s_ar 

20 mm

Repeatability

≤ 5 %

Impact energy

max. 7 J

Ex marking

L II 2G Ex mb IIC T6 Gb,
L II 2D Ex mb IIIC T80°C Db
IECEx Ex mb IIC T6 Gb
Ex mb IIIC T80°C Db

Approvals

BVS 08 ATEX E 150 X
IECEx BVS 08.0054X
f d a

EN ISO 13849-1

Performance Level PL e

Category

4

T_M

max. 20 years

MTTF_d

> 100 years

DC/DC_avg

> 99 %

EN 62061

SIL CL 3

PFH_d

≥ 2.47 x 10^-8 1/h

Note

The safety-related data are only valid in combination with a safety module, e.g. SRM 21 RT2 (mat. no. 1179203).