Description
Product Core Brief
- Model: SYN5202A — SYNCHROTACT 5 Digital Synchronizing Device
- Brand: ABB
- Series: ABB SYNCHROTACT 5 synchronizing relay family
- Core Function: Dual-channel automatic synchronizing relay used to synchronize generators with the grid and to parallel synchronous power systems.
- Product Type: Synchronizing relay / synchronizing device
- Key Specs: Dual-channel architecture | 50/60/16.7 Hz support | 7 parameter sets | Modbus / Profibus / LON / IEC 61850 options | SynView PC tool | Dead-bus / dead-line function
- Condition: New Original (New Surplus) / Factory Sealed — when available
Product Introduction
The ABB SYN5202A belongs to the ABB SYNCHROTACT 5 digital synchronizing device family. It is designed for automatic synchronization and paralleling between generators and the grid, as well as for tie-line synchronization between already-synchronized power systems.
The SYN5202A uses a dual-channel concept with two independent microprocessor systems, improving reliability and helping prevent non-synchronous closing. It supports up to seven configurable parameter sets, allowing one device to serve different breakers, grid conditions, or voltage/frequency matching requirements. Configuration and commissioning can be performed via the front-panel keyboard and display or through the SynView PC tool.
Because SYNCHROTACT 5 devices are often specified in power generation, grid interconnection, and industrial power systems, verified surplus SYN5202A units are commonly used for maintenance spares, replacement projects, and legacy system support.
Key Technical Specifications
- Part Designation: SYN5202A — SYNCHROTACT 5 Synchronizing Device
- Product Type: Digital synchronizing relay / synchronizing device
- Application: Generator-to-grid synchronization, bus-to-bus paralleling, synchronous check
- Channel Architecture: Dual-channel system with two independent microprocessor systems
- System Frequency: 50 Hz, 60 Hz, and 16.7 Hz support
- Parameter Sets: Up to 7 selectable parameter sets
- Communication Options: Modbus, Profibus, LON, IEC 61850 depending on configuration
- Configuration Tool: SynView PC software and front-panel keyboard/display
- Special Functions: Dead-bus / dead-line closing, voltage matching, frequency matching, synchronizing check
- Installation: Panel-mounted / semi-flush / DIN-rail mounting depending on version
- Replacement Type: Obsolete / surplus replacement component
- Packaging: ESD-protected, shock-aware industrial packing
- Traceability: Label, revision, and SYN5202A marking verification required before installation
- Supply Status: New Original / New Surplus inventory, subject to availability
- Warranty: 12 months from shipment
- Lead Time: Dispatch depends on current surplus stock
- Note: Exact auxiliary voltage, communication options, and order code depend on the specific hardware revision and suffix
Key Selling Points & Differentiators
- Dual-channel SYNCHROTACT 5 architecture for higher synchronizing reliability.
- Suitable for generator synchronization and grid/bus paralleling applications.
- Supports 50 Hz, 60 Hz, and 16.7 Hz systems.
- Up to seven parameter sets allow flexible multi-breaker or multi-condition use.
- Optional IEC 61850, Modbus, Profibus, and LON communication.
- SynView PC tool simplifies commissioning, parameter backup, and troubleshooting.
- Dead-bus / dead-line function supports special closing conditions.
- Factory-sealed surplus reduces handling risk compared with used pulls.
- Not a general-purpose protection relay, PLC, DCS controller, or field I/O module.
Quality Transparency SOP
- Visual inspection: Check front panel, display, keyboard, terminals, labels, and SYN5202A marking.
- Order code verification: Confirm full order code, including suffix and auxiliary voltage.
- Communication verification: Confirm whether IEC 61850, Modbus, Profibus, or LON options are present.
- Compatibility check: Match system frequency, breaker control scheme, and auxiliary supply voltage.
- Documentation review: Confirm part number, revision, lot/serial traceability, and packing condition.
Technical Risk Avoidance
- ❗ Confirm the full order code. SYN5202A may have different suffixes that define auxiliary voltage, communication options, and parameter set configuration.
- ❗ Verify auxiliary supply voltage. Incorrect auxiliary voltage may prevent operation or damage the device.
- ❗ Do not substitute SYN5202A for a single-channel SYN5100 or a quadruple-channel SYN5302 without engineering review.
- ❗ Confirm communication protocol. IEC 61850, Modbus, Profibus, and LON are optional and must match the existing system.
- ❗ Synchronizing relays affect breaker closing logic. Replacement must be verified by qualified protection or power system engineers.
- ❗ After replacement, verify voltage matching, frequency matching, phase-angle limits, dead-bus logic, and breaker trip/close circuits.
Buyer’s FAQ
- Is this a genuine ABB part?
It is supplied as an ABB SYN5202A SYNCHROTACT 5 synchronizing device. Traceability should be confirmed through labeling and packaging before installation. - Is it new or refurbished?
Listed as New Original / New Surplus, factory sealed when available. It is not a repaired or refurbished relay. - What does SYN5202A do?
It performs automatic synchronization and paralleling between generators and the grid, and can also function as a synchronizing check device. - Is SYN5202A dual-channel?
Yes. The SYN5202A uses a dual-channel architecture with two independent microprocessor systems. - Which communication protocols are supported?
Depending on configuration, it may support Modbus, Profibus, LON, and IEC 61850. - What warranty and lead time apply?
Standard 12-month warranty from shipment. Lead time depends on current surplus inventory and revision availability.
