ABB RER620 Technical Manual page 573

1MAC309294-MB F
RER620
Technical Manual
Table 456: Degree of protection of flush-mounted relay
Description
Front side
Back side
Table 457: Environmental conditions
Description
Continuous operating temperature range
Short-term operating temperature range
Relative humidity
Atmospheric pressure
Altitude
Transport and storage temperature range
1. Degradation in MTBF and LHMI performance outside the temperature range of -25ºC to +55ºC
2. For relays with an LC communication interface, the maximum operating temperature is +70ºC
Table 458: Environmental tests
Description
Dry heat test
Dry cold test
Damp heat test
Storage test
1. For relays with an LC communication interface, the maximum operating temperature is +70
2. LCD may be unreadable, but relay is operational.
3. For PS_L (24-60 Vdc), the minimum start up voltage is 48Vdc at -40ºC.
Value
IP 54
IP 20
Value
-25ºC to +55ºC
-40ºC to +85ºC (<12h)
<93%, non-condensing
12.47 to 15.37 psi (86 to 106 kPa)
Up to 6561.66 feet (2000 m)
-40ºC to +85ºC
Requirement
1 , 2
+85ºC 12h
2, 3
-40ºC 12h
+25ºC Rh = 95%, 96h
+85ºC 96h -40ºC 96h
Section 13
Technical data
1 , 2
Reference
IEEE C37.90-2005
IEEE C37.90-2005
IEEE C37.90-2005
IEEE C37.90-2005
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