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ABB REB 670 REB670 Busbar Protection Relay Origina New In Stock
- Part number：ABB REB 670 REB670
- Warehouse: Spot
- Warranty： 365 days
- Quality: Original module
- Condition： New
- Shipping method: Courier delivery
- Contact person: LI MING
- Contact number: +86 18059884790
- WeChat：18059884790
- E-mail: plc66@qq.com
Product Description
Product: REB670 – ABB Relion 670 Series Busbar Protection IED
ABB REB670 Numerical Differential Busbar Protection Relay
REB670 is a high‑performance busbar protection IED from ABB’s Relion® 670 series. It provides selective, reliable, and fast differential protection for busbars, T‑connections, and meshed corners in medium, high, and extra‑high voltage power systems.
Key Specifications
- Part Number: REB670
- Manufacturer: ABB (Relion 670 Series)
- Type: Numerical busbar differential protection IED
- Application: MV / HV / EHV busbars, T‑connections, meshed corners
- Protection Zones: 2–6 differential zones (configurable)
- CT Inputs: Up to 24 analogue CT inputs (1A / 5A compatible)
- Frequency: 50 Hz / 60 Hz (auto‑sensing)
- Tripping Time: ≤15 ms (internal faults)
- Power Supply: 24/48/110/220 VDC / VAC
- Communication: IEC 61850, GOOSE, IEC 60870‑5‑103, DNP 3.0
- Operating Temperature: −25°C to +70°C
- Protection Rating: IP40 (front), IP20 (rear)
- Weight: ~4.5 kg
Warranty: 12 months
Applications
- Power substations: Single/double busbar, transfer bus, one‑and‑half breaker schemes
- Renewable plants: Wind / solar farm collector bus protection
- Industrial power plants: Critical busbar fault protection
- Transmission grids: EHV/HV busbar differential & breaker failure protection
- Retrofit projects: Replacement for legacy electromechanical/old numerical relays
Features & Benefits
- Low‑impedance differential principle with fast tripping (≤15 ms) for fault clearance
- Dynamic zone selection (disconnector replica) for flexible busbar configurations
- Low CT requirements; supports mixed 1A/5A CTs with up to 10:1 ratio difference
- Integrated disturbance recorder (100 events, 40 analog + 96 binary channels)
- IEC 61850 compliant for seamless substation automation & interoperability
Product Photos 
Products that you might be interested in:
- Global Inventory: 121 shared inventories worldwide, enabling fast delivery from overseas warehouses.
- Pricing & After-Sales: Competitive prices with reliable 1-year warranty.
Customer Coverage: United States, Germany, Japan, South Korea,
UK, France, Italy, Canada, Brazil, Australia, Russia, Spain, Netherlands,
Switzerland, Sweden, Belgium, Austria, Turkey.
- Product Quality: 100% original new, tested before shipment.
- Discounts: Wholesale discounts available for bulk orders.
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