Wall-Mounted Housing - Siemens SIPROCESS GA700 Compact Operating Instructions

7.1.2

Wall-mounted housing

Table 7-4 Wall housing: General technical data
General
Installation position
Weight
Degree of protection
Table 7-5 Wall housing: Electrical characteristics
Electrical characteristics
Auxiliary power supply
Power consumption
EMC interference immunity
(electromagnetic compati‐
bility) during operation:
Electrical safety
Equipotential bonding on housing
Transient protection
Power unit cable
Table 7-6 Wall housing: Purging gas specification
Purging gas pressure
Continuous (recommended)
Pneumatical data for Ex p purging of
housing
Type of gas
SIPROCESS GA700 rack and wall mounted devices
Compact Operating Instructions, 06/2023, A5E35134047-AB
Vertical
Approx. 23 kg
IP65 according to EN / IEC 60529 and Type 4X according to UL 50E and CSA C22.2 No. 94.2
100 to 240 V AC (nominal range of use 85 to 264 V)
50 to 60 Hz (nominal range of use 47 to 63 Hz)
Max. 280 VA
with one or two OXY‐ in accordance with the standard requirements of
MAT 7 / ULTRAMAT 7
NAMUR NE21 (05/2006) and EN / IEC 61326-1
units
with one or two CALO‐ in accordance with standard requirements of EN / IEC 61326-1
MAT 7 units
in accordance with EN / IEC 61010-1, overvoltage category II
min 4 mm² (11 AWG) (For installation in Ex areas)
It has to be ensured that the transient protection is set to a value 500
V for 230 V mains power and 260 V for 120 V mains power. Ensure that
voltages above 544 V can never occur.
•
•
•
Ensure that the cross section of PE is always equal or greater than the
cross section of line and neutral.
30 hPa above ambient
• Inert gas (e.g. nitrogen from a gas cylinder)
• Air from an ex-free zone; prerequisite:
– Oil and dust free, particle size < 40 μm
– Oil content < 5 mg/m³
– Dew point < 2 °C at 4000 hPa
• When analyzing non-flammable gas mixtures with oxygen content > 21%: only inert
gas
Cable diameter: max. Ø 10 mm (0.39")
Core cross-section: max. 3 x 2.1 mm
mm² (3 x 18 AWG)
Fuse 10 A (s. IEC plug)
Technical data
7.1 General technical specifications
(3 x 14 AWG) min. 3 x 0.75
2
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