Application
conditions
Installation conditions
Installation angle
No limit
Ambient conditions
Ambient
temperature
- 20 °C..+ 60 °C
Storage
temperature
- 30 °C..+ 70 °C
Climatic class
To IEC 60 654-1 Class B2
Ingress protection
IP 20
EMC/immunity
RF protection
To CISPR (to EN 55011 Group 1, Class A)
Safety
Norm
To IEC 61010-1,
Overvoltage category II,
Installation excess current protection
≤
10 A
Electrical safety
To IEC 61010-1: Environment < 2000 m height above MSL
Interference safety
Power failures
20 ms; no effect
Switch on current
limits
Imax/In <= 15 T50% <= 50 ms
Electromagnetic
fields
To IEC 61000-4-3, 10 V/m
Burst (supply)
To IEC 61000-4-4, 2 kV
Burst (signal)
To IEC 61000-4-4, 1 kV (A), 2 kV (B)
Surge
(supply AC)
To IEC 61000-4-5, sym. 1 kV, unsym. 2 kV
Surge
(supply DC)
To IEC 61000-4-5, sym. 1 kV, unsym. 2 kV
Surge (signal)
To IEC 61000-4-5, unsym. 1 kV
Cable high
frequency
To IEC 61000-4-6, 10 V
Common mode
noise rejection
To IEC 770, 110 dB at 250 V, 50/60 Hz
no influence on peaks of 275 V, 50/60 Hz
Normal mode
noise rejection
>50 dB at 50/60 Hz
Mechanical
construction
Type
Housing for mounting on top hat DIN rail to EN 50 022-35
Weight
approx. 290 g
Materials
Housing: Plastic PC/ABS, UL 94V0
Electrical
connections
Keyed, plug on screwed terminals, size 1.5 mm² solid core,
1.0 mm² stranded with ferrule
Process transmitter
71
Summary of Contents for RMA 422
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