Environmental Conditions; Environmental Tests - ABB UniSec Digital Operation And Maintenance Manual

D I S T R I B U T I O N S O LU T I O N S
5.2 MDC4-M
MDC4 -Mdimensions
Dimensions
Description
MDC-M
Installation

Environmental conditions

Description
Operating temperature
range
Enviroment humidity
Atmospheric pressure
Altitude
Transport and storage
temperature range
Overvoltage category
Pollution degree
Ip grade
1) For higher altitude application, please contact ABB.
Value
Width 100 mm
Height 156 mm
Depth 33 mm
Weight 0,3 kg
Guide rail 35 mm
Value
-20...70 °C
20...85%, non-condensing
86...106 kPa
Up to 2000 m (1)
-40...85 °C
III
2
IP 20
Power supply
Description Value
Voltage input 12...24 VDC
Power consumption 12W max
Withstand voltage level 2 kV
(50Hz, 1 min)
Output power supply DC 12V ±10%, 3W
Controlling capacity of 5A, 30V DC
output auxiliary contact

Environmental tests

Description Type test value
High- +70 °C 96 H
temperature
operation
Low- -20 °C 96 H
temperature
operation
Steady Test for 48 H at +40
humidity-heat °C and 93%
humidity
Alternating Tfora maof est for
humidity-heat 48h at a maximum
test temperature of +55
°C
19
Reference
IEC 60068-2-2
GB/T 7261-2016
IEC 60068-2-1
GB/T 7261-2016
IEC 60068-2-78
GB/T 7261-2016
IEC 60068-2-30
GB/T 7261-2016