ABB REX640 2RCA033008A0001 Microcomputer Protection and Control Device

Product Description

Model: REX640 2RCA033008A0001 Manufacturer: ABB Product Name: Relion REX640 All-in-one Protection and Control Relay Product Type: Medium voltage multifunctional numerical protection and control IED Origin: Finland

REX640 belongs to ABB Relion series. It is a freely configurable all-in-one protection & control relay with fully modular hardware and software. Two enclosure options available: standard case with 7 module slots and narrow case with 5 module slots. Ordering code 2RCA033008A0001 is a custom configured variant. It integrates protection, measurement, control, disturbance recording and communication in one unit. It supports IEC 61850, GOOSE, Modbus and other communication protocols, configured by PCM600 software. Equipped with 7-inch local touchscreen HMI (LHMI), it provides fault recording, alarm management, local/remote switchgear control. Compliant with IEC, ANSI standards with built-in cybersecurity features, designed for digital substation solutions, used for comprehensive protection, monitoring and interlock control of primary equipment in power distribution and power generation systems.

Technical Specifications

• Hardware: Modular slot design, this variant is standard enclosure
• Auxiliary Supply: AC 100~240V / DC 24~250V wide range
• Analog Input: Current & voltage transformer signals
• Protection Functions: Overcurrent, earth fault, distance, differential, undervoltage, overvoltage, arc flash protection, auto-synchronization, on-load tap changer control
• Communication Ports: Ethernet, serial port; IEC61850, GOOSE, MMS, Modbus
• HMI: 7-inch colour touchscreen LHMI local panel
• Operating Temperature: -40℃ ~ +70℃
• Dimension (Standard): W304mm × H265mm × D242mm
• Protection Class: Front panel IP54, main unit IP20
• Standards: IEC 60255, ANSI, digital substation compliant
• Functions: Protection, measurement, control, disturbance recording, event logging, alarming

Application

1. Distribution network: MV feeder protection, busbar protection, capacitor bank protection
2. Substation: 2-winding / 3-winding power transformer protection and OLTC control
3. Power generation: Generator, synchronous motor and large induction motor protection, auto-synchronization
4. Industrial power plant: Captive power station, distributed generation interconnection protection
5. Digital substation: Bay control, arc flash protection, bus transfer, Petersen coil control

Related Series Models

REX610, REX611, REX615, REF615, REF620, REF630, RET615, RET630, REM615, REG615