Westermo DR-270 - Manual (Page 6)

6 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