ABB RET670 Commissioning Manual

Section 2 Safety information
2.1 Symbols on the product
All warnings must be observed.
Read the entire manual before doing installation or any maintenance work
on the product. All warnings must be observed.
Class 1 Laser product. Take adequate measures to protect your eyes and
do not view directly with optical instruments.
Do not touch the unit in operation. The installation shall take into account
the worst case temperature.
2.2 Warnings
Observe the warnings during all types of work related to the product.
Only electrically skilled persons with the proper authorization and
knowledge of any safety hazards are allowed to carry out the electrical
installation.
National and local electrical safety regulations must always be followed.
Working in a high voltage environment requires serious approach to avoid
human injuries and damage to equipment.
1MRK 504 165-UUS - Section 2
Safety information
Transformer protection RET670 2.2 ANSI 29
Commissioning manual

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