Technical data
Ex p control unit
Motor Purge Controller
Page 84 of 96
01-37A2-7D0003_Operating instructions_MPC_20210923_0_en.docx
Rev. 0
11.2
Ex p control unit SILASmpc
Parameter
Technical details
Type
A7-37S2-2111/.M5.
EU type examination certificate
BVS 19 ATEX E 016 X
IECEx certification
IECEx BVS 19.0038X
EAC certification
ЕАЭС
RU
С
-DE.
АЖ
58.
В
.01809/21
ATEX Marking
II 3G Ex ec mc ic [ic pzc] IIC T4 Gc
II 3D Ex tc [ic pzc] IIIC T130 °C Dc
IECEx Marking
Ex ec mc ic [ic pzc] IIC T4 Gc
Ex tc [ic pzc] IIIC T130 °C Dc
EAC Marking
2Ex ic e mc [ic pz] [ia Ga] IIC T5 Gc X
2Ex ic e mc [ic pz] [ia Ga] IIC T4 Gb X
Ex tc [ic pz] IIIC T95 °C Dc X
Ex tc [ib pz] IIIC T130 °C Dc X
Operating ambient temperature
-25 °C tos +50 °C,
-50 °C to +50 °C (variant)
Storage and transport
-25 °C to +60 °C @ T4
Material
Stainless steel V4A
Mains Voltage DC (Variant)
24 V dc to 44 V dc
Mains Voltage AC (Variant)
100 V ac to 230 V ac
Current consumption control unit
2 A
Maximum power consumption
25 W (incl. purge valve)
Release relay K1 (SIL)
2 potential-related NO contacts,
230 V ac @ 5 A (AC1) or
24 V dc @ 5 A (DC1)
Release relay K2 (SIL)
Potential-free, 4 x NO,
230 V ac @ 3 A, 24 V dc @ 3 A
Signal relay K3 and K4
Potential-free, 1x changeover contact,
230 V ac @ 1 A, 24 V dc @ 1 A
Pressure range
0 … 25 mbar
Tolerance range
±0,4 mbar
Purge volume
0 … 500 m³/h with mpv 3
0 … 200 m³/h with mpv 2
Purge time
Up to max. 2 hours
Purge gas valve
Digital (purging) and proportional (leakage compensation)
Connecting terminal “Ex e”
0.08 … 2.5 mm² (28 …12 AWG)
With wire end ferrule
with plastic collar
0.25 … 1,5 mm²
Connecting terminal “Ex i”
0.2 … 2.0 mm² (20 …14 AWG)
With wire end ferrule
with plastic collar
0.25 … 0.75 mm²
Dimensions
550W x 400H x 250D mm
Assembly
External
Cable entry
3 x M20, 2x M25
Ingress Protection (IP) Rating
IP 64 in accordance with IEC/EN 60079-0
IP 66 in accordance with EN/IEC 60529
Purge gas feed – mpc
G ½” (i)
Purge gas supply – motor
G 1 ½“ (a)
Pressure measurement connections
3x tubes 10 mm
Weight
40 kg
