HS Si 4

  • Thermoplastic enclosure
  • Long life
  • High shock resistance
  • Hall sensor 1 NC/1 NO or 2 NC contacts
  • Galvanically separated channels
  • Switching distance up to 7 mm
  • With pre-wired cable
Note
  • The actuator is not included in the delivery of the switches

Technical data

Applied standards EN 60947-5-2, EN 60947-5-3, EN ISO 13849-1, EN ISO 14119, EN 62061
Enclosure thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0
Defined object Actuator MC 4
Sensor type type 4 interlocking device
Coding level low coding
Degree of protection IP 67 to IEC/EN 60529
Safety-relevant data:
EN ISO 13849-1 Performance Level PL e
Category 4
TM max. 20 years
MTTFd > 100 years
DC/DCavg > 99 %
EN 62061 SIL CL 3
PFHd ≥ 2.47 x 10-8 1/h
Switching system Hall sensor, 2 galvanically separated channels, semiconductor
1 NC/1 NO or 2 NC contacts
Connection cable 6 x AWG 26
Cable length 2, 5 or 10 m, max. 15 m
Rated operating voltage Ue 24 VDC
Rated operating voltage range UB 10 … 30 VDC
Rated operating current Ie max. 40 mA per channel
Utilisation category DC-12
No-load supply current I0 max. 6 mA per channel
Voltage drop at Ie max. 2.5 V
Switch-on/switch-off time < 1 ms
Attendance delay tv < 100 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 … +70 °C
Storage and shipping temperature –40 °C … +70 °C
Switching distances sn 7 mm, sao 6 mm, sar 20 mm
Repeatability ≤ 5 %
Note The safety-related data are only valid in combination with a safety module, e.g. SRM 21 RT2 (mat. no. 1179203) or SRM 21 Multi (mat. no. 1185607).

Ordering details

1 NC/1 NO contact

Type   Material no.  
Type    Material no.   
HS Si 4 1Ö/1S - 2m 1188994
Type    Material no.   
HS Si 4 1Ö/1S - 5m stock type Standard versions, in stock or available at short notice 1184464
Type    Material no.   
HS Si 4 1Ö/1S - 10m 1215789
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

2 NC contacts

Type   Material no.  
Type    Material no.   
HS Si 4 2Ö - 2m 1188997
Type    Material no.   
HS Si 4 2Ö - 5m stock type Standard versions, in stock or available at short notice 1188998
Type    Material no.   
HS Si 4 2Ö - 10m 1442010
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Actuators

Type   Material no.  
Type    Material no.   
Actuating magnet coded MC 4 stock type Standard versions, in stock or available at short notice 1181771