ABB REF601 Product Manual - page 11
ABB
11
Feeder Protection
REF601 IEC
Product Version: 1.0
1MDB07207-YN C
Degree of protection of flush-mounted relay
Front side
IP 42
Sides with connection terminal
IP 20
Environmental conditions and tests
Environmental conditions
Operating temperature range
-25...+70ºC (continuous)
Relative humidity
<93%, non-condensing
Atmospheric pressure
86...106 kPa
Altitude
up to 2000 m
Transport and storage temperature range
-40...+85ºC
Environmental tests
Cold test
IEC 60068-2-1
Test Ad (working) :
-25 ± 3ºC for 16 hours, gradual
Test Ab (storing) :
-25 ± 3ºC for 4 days, gradual
Dry heat test
IEC 60068-2-2
Test Bd (working) :
+70 ± 2ºC for 16 hours, gradual
A.H. = 20 g/m = R.H. 50% a 35ºC, 1ºC/min
Test Bb (storing) :
+85 ± 2ºC for 4 days, gradual
Damp heat, Steady state
IEC 60068-2-3
(replaced by :
IEC 60068-2-78)
Test Cab (storing/working) :
40°C ± 2°C, 4 days R.H. controlled [93±3%]
Damp Heat, Cyclic
IEC 60068-2-30
Test Db (working): 93% humidity, 2 Cycles,
From 25±3°C to 55±2°C
Mechanical tests
Vibration response test
IEC 60255-21-1
Class 2: 10 to 150Hz freq range,
Cross-over freq.: 58 Hz
Peak displac. (f Peak accel. (f>fco): 1gn No. of sweep cycles in each axis: 1 Vibration endurance test IEC 60255-21-1 Class 2: 10 to 150Hz freq range, Constant acceleration: 2 gn No. sweep cycles in each axis: 20