ABB REF601, Product Manual

Page: 9 / 22

ABB 9
1MDB07207-YN Feeder Protection
REF601
Product version: 2.0
Table 9. Degree of protection of relay
Description Value
Front side IP 43
Side with terminal connector IP 20
Table 10. Environmental conditions
Description Value
Operating temperature range -25...+55 º C
Short-time service temperature range -25...+70 º C (<16 h)
Relative humidity < 93%, non-condensing
Atmospheric pressure 86...106 kPa
Altitude up to 2000 m
Transport and storage temperature range -40...+85
º
C
Table 11. Environmental tests
Description Type test value Reference
Dry heat test (humidity < 50% )
• 96 h at +70 º C
IEC 60068-2-2
• 96 h at +85 º C
Dry cold test IEC 60068-2-1
Damp heat test, cyclic
• 2 cycles at +25°C…+55°C
IEC 60068-2-30
humidity > 93%
Damp heat test, steady state
• 96 h at +40 º C, humidity
IEC 60068-2-78
> 93%
Table 8. Single-pole signal and IRF output relay (O/C and E/F Trip, Unit ready, Breaker close)
Description Value
Rated voltage 240 V AC / DC
Continuous contact carry 6 A
Make and carry for 3.0 s 8 A
Make and carry for 0.5 s 10 A
Breaking capacity when the control-circuit time 4A / 0.15 A
constant L/R<40 ms, at 35/220 V DC
Minimum contact load 100 mA at 24 V AC / DC
IEC 60068-2-48
IEC 60068-2-48
• Working
• Storing
• 96 h at -25
º
C
• 96 h at -40
º
C
• Working
• Storing