Type tests and environmental conditions – Westermo DR-270 User Manual
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6622-2241 • 29000589, REV.A
Type tests and environmental conditions
Phenomena
Test
Description
Test levels
ESD
EN 61000-4-2
Enclosure contact
± 4 kV
Enclosure air
± 8 kV
RF field AM modulated
EN 61000-4-3
Enclosure
3 V/m 80% AM (1 kHz), 80 – 1000 MHz,
1400 MHz – 2000
Fast transient
EN 61000-4-4
Signal ports
± 0.5 kV
Power ports
± 1 kV
Surge
EN 61000-4-5
Telecom/Signal ports
± 0.5 kV line to earth
Power ports
± 2 kV line to earth, ± 2 kV line to line
RF conducted
EN 61000-4-6
Power ports
3V/m 80% AM (1 kHz), 0.15 – 80 MHz
Voltage dips and
interruption
EN 61000-
4-11
AC power ports
10 & 100 ms, interruption
10 ms, 30% reduction
100 ms, 60% reduction
5000 ms, >95% reduction
+30% above & –20% below rated voltage
Radiated emission
EN 55022
Enclosure
Class B
FCC part 15
Class B
Conducted emission
EN 55022
AC power ports
Class A
FCC part 15
AC power ports
Class B
EN 55022
DC power ports
Class B
Temperature
Operating
DR-270
DR-270 + 3G
–40 to +75º Celsius
–40 to +167º Fahrenheit
Operating
DR-270 + 3G + WiFi
DR-270 + WiFi
–20 to +75º Celsius
–68 to +167º Fahrenheit
Storage & Transport
–40 to +85º Celsius
–40 to +185º Fahrenheit
Humidity
Operating
5 to 95% relative humidity
Storage & Transport
5 to 95% relative humidity
Altitude
Operating
2000 m / 70 kPa
Reliability prediction
(MTBF)
Bellcore
RQGR at
40°C
Models and their values
DR-270
125361 h
DR-270 + WiFi
105455 h
DR-270 + 3G
105015 h
DR-270 + 3G + WiFi 90677 h
Enclosure
Pressed steel
Dimension W x H x D
262 x 40.5 x 141 mm
10.3 x 1.6 x 5.5 inches
Weight
1.4 kg
Degree of protection
IEC529
Enclosure
IP 30
Cooling
Convection
Mounting
Horizontal on 35 mm DIN-rail or flat
on level surface