SILAS Controller
Ex p Purge Controller, PressurizationEx pzc control unit for Zone 2/22
Benefits
- Small design
- Easy to handle
- Separate purging gas input and output
-
Description
Marking ATEX: IECEx: Ambient Temperature Operating temperature Storage temperature Certification ATEX
Ex II 3G Ex ec nC [pzc] IIC T4 Gc
-20 °C to +60 °C
Ex II 3G Ex ec nC [pzc] IIC T6 Gc
-20 °C to +40 °C
Ex II 3D Ex tc [pzc] IIIB T85 °C Dc
Ex ec nC [pzc] IIC T4 Gc
-20 °C to +60 °C
Ex ec nC [pzc] IIC T6 Gc
-20 °C to +40 °C
Ex tc [pzc] IIIB T85 °C Dc
-20 °C to +60 °C @ T4
(-4 °F to 140 °F @ T4)
-20 °C to +40 °C @ T6
(-4 °F to 104 °F @ T6)
-20 °C to +60 °C
(-4 °F to 140 °F)
DE
EN
NEC / CEC 505
EN
IECEx
EN
CCC
ZH
KCs – Gas
KO
KO
KCs – Dust
KO
KO
EAC
RU
Gost-K
RU
INMETRO
PT
The SILAS Controller serves to monitor electrical equipment set up in accordance with the “pressurised apparatus with leakage compensation” process. It is a complete safety device, which consists of a type A7-3741-1110/.00. SILAS Controller and a type 17-51P3-1604 pressure control device. An optional digital purging gas valve to supply protective gas is also necessary.
Technical Data
| Protection class | min. IP 54 |
|---|---|
| Pressure range | 0 to 25 mbar for all pressure switching levels |
| Purge time | 0 to 60 minutes (adjustable) |
| Temperatures | Operating temperature -20 °C to +60 °C @ T4 (-4 °F to 140 °F @ T4) -20 °C to +40 °C @ T6 (-4 °F to 104 °F @ T6) Storage temperature -20 °C to +60 °C (-4 °F to 140 °F) |
| Voltage | AC 230 V / 50 to 60 Hz AC 115 V / 50 to 60 Hz DC 24 V |
| Power | max. 8 W |
| Display | single-line LC display |
| Operation | – 1 power switch – 1 BCD switch for selecting parameters – 3 buttons for changing parameters – 3 LEDs for displaying switching relay status – 1 bypass |
| Relay | 1. Control relay for purge valve 2. Enable relay Ex p (potential free) 3. Signal relay for status transmission (potentail free) |
| Weight | 1.2 kg |
Manuals/Operating Instructions/Guides
Operating Instructions – SILAS Controller
- DE
- EN
- PT
Declaration
Declaration of Conformity – Typ A1-3741-7C0001
- DE
- EN
- FR
Data Sheets
Data Sheet – SILAS Controller
