Type tests and environmental conditions
Phenomena Test Description Test levels
ESD EN 61000-4-2 Enclosure contact ± 4 kV
Enclosure air ± 8 kV
RF eld AM modulated EN 61000-4-3 Enclosure 3 V/m 80% AM (1 kHz), 80 – 1 000 MHz, 1
400 MHz – 2 000
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 MR-210 / MR-260 –20 to +55º Celsius
(–25 to +70ºC restricted operation)
–4 to +131º Fahrenheit
(–13 to +158ºF restricted operation)
MR-270 0 to +55º Celsius
(0 to +70ºC restricted operation)
32 to +131º Fahrenheit
(32 to +158ºF restricted operation)
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
MR-210 203 000 hours
MR-260 218 000 hours
MR-270 139 000 hours
Enclosure Pressed steel
Dimension W x H x D MR-210 / MR-260 173 x 36 x 119 mm
6.8 x 1.4 x 4.7 inches
MR-270 210 x 41 x 150 mm
8.3 x 1.6 x 5.9 inches
Weight MR-210 / MR-260 0.49 kg
MR-270 0.9 kg
Degree of protection IEC529 Enclosure IP 40
Cooling Convection
Mounting Horizontal on 35 mm DIN-rail or flat on
level surface