ABB RET670 Product Guide

Table 20. Environmental tests
Test Type test value Reference standard
Cold operation test Test Ad for 16 h at -25°C IEC 60068-2-1
Cold storage test Test Ab for 16 h at -40°C IEC 60068-2-1
Dry heat operation test Test Bd for 16 h at +70°C IEC 60068-2-2
Dry heat storage test Test Bb for 16 h at +85°C IEC 60068-2-2
Change of temperature test Test Nb for 5 cycles at -25°C to +70°C IEC 60068-2-14
Damp heat test, steady state Test Ca for 10 days at +40°C and humidity 93% IEC 60068-2-78
Damp heat test, cyclic Test Db for 6 cycles at +25 to +55°C and humidity 93 to 95% (1 cycle = 24
hours)
IEC 60068-2-30
Table 21. CE compliance
Test
According to
Immunity EN 60255–26
Emissivity EN 60255–26
Low voltage directive EN 60255–27
Table 22. Mechanical tests
Test
Type test values Reference standards
Vibration response test Class II IEC 60255-21-1
Vibration endurance test Class I IEC 60255-21-1
Shock response test Class I IEC 60255-21-2
Shock withstand test Class I IEC 60255-21-2
Bump test Class I IEC 60255-21-2
Seismic test Class II IEC 60255-21-3
Transformer protection RET670 2.0
1MRK 504 141-BEN C
Product version: 2.0
52 ABB

ABB RET670 Specifications

General

Rated Frequency	50/60 Hz
Inputs	Analog and binary inputs
Application	Protection of power systems
Communication Protocols	IEC 61850, DNP3, Modbus
Operating Temperature Range	-25°C to +55°C
Mounting	Rack mounted
Number of Binary Inputs	Up to 48
Number of Binary Outputs	32
Protection Functions	Overcurrent Protection
Outputs	Binary outputs
Enclosure	IP 54
Type	Line Differential Protection
Number of Analog Inputs	24