Product Core Brief
- Model: SYN5202A-Z (Order No. 3BHB006715R0277)
- Brand: ABB
- Series: SYNCHROTACT 5 / SYN 5200
- Core Function: Dual-channel automatic synchronizer for generator-to-grid paralleling
- Type: Digital Synchronizing Relay / Sync-Check Module
- Key Specs: 50/60 Hz, dual independent channels, 7 parameter sets, IEC 61850
- Condition: New Original (New Surplus), not refurbished
- ⚠️ Discontinued; limited stock. Verify firmware revision and hardware variant (V227) before ordering.
Product Introduction
The ABB SYN5202A-Z (3BHB006715R0277) is a SYNCHROTACT 5 dual-channel automatic synchronizer. It closes generator breakers at the exact phase-angle match, preventing non-synchronous paralleling in power plants and industrial captive generation .
The dual-channel architecture uses two independent microprocessor systems running different software. In field replacements, this redundancy means a single-channel fault does not cause loss of sync-check protection. Phase error stays under 0.5° typical, with seven parameter sets available for multi-breaker configurations .
Key Selling Points & Differentiators
- Dual-channel redundancy, not dual-display. Two physically independent processing paths with different silicon and software. A single-channel failure does not disable sync-check protection .
- 7 parameter sets for 7 breakers. One unit manages multiple generator breakers with different dead-bus, slip-frequency, and phase-angle settings. Fewer spare parts on the shelf .
- Test evidence available. Functional test on a sync simulator, communication handshake (Modbus/Profibus), and power-on self-check. Test report and photo evidence provided with shipment.
- IEC 61850 native. Direct integration with digital substations without protocol converters. Modbus, Profibus, and LON also supported .
- Not recommended for time-sync applications. The SYN5202A (3BSE058347R1) is a different product—a time synchronization module for AC 500 PLCs. This unit syncs generators, not clocks. Confirm the order number before purchase .
