Product Core Brief
- Model: REM620A (Variant A)
- Brand: ABB
- Series: Relion 620 Series
- Core Function: Designed for comprehensive motor protection, control, measurement, and supervision of large asynchronous and synchronous motors in medium-voltage power systems.
- Type: Motor Protection Intelligent Electronic Device (IED)
- Key Specs: Variant A standard configuration, multi-channel phase current/voltage monitoring, residual current tracking, Modbus/IEC 61850 protocols, 48–250 V DC / 100–240 V AC auxiliary power.
- Condition: New Original (New Surplus)
- Availability: In stock; standard global packaging dispatched within 3 business days from warehouse allocation.
- Warranty: 12-month completely covered functional warranty.
Pricing Note: The listed price serves as a reference point only. Actual spot market pricing fluctuates based on component availability and global logistics supply lines. Contact procurement to request a formal quote.
Product Introduction
In field deployments of AC800M automation architectures and heavy-duty medium-voltage switchgear panels, high-horsepower motors represent massive capital investments. The ABB REM620A motor protection relay acts as an expandable, high-density electronic supervisor, processing thermal tracking, voltage metrics, and wave anomalies simultaneously. This unit mounts securely into switchboard front panels, isolating mechanical faults and power quality failures before they burn out motor stators.
Engineering departments deploy the 620 series over standard 615 blocks because it delivers an expanded physical frame with highly scalable binary logic channels. The hardware tracks localized current curves, calculating motor-stall dynamics and early-phase disruptions in under 15 ms to trigger safety breakers. Well, technically it handles multiple Ethernet and serial protocols concurrently, but you must align the baud rates and register maps manually within your master configuration software. Operating inside a −25 to +55 °C temperature range, this module maintains systemic plant uptime across volatile mining, refining, and manufacturing landscapes.
