ABB SYCHROTACT 5 3BHB006716R0277 SYN5302a-Z V277 Relay Module
The ABB SYCHROTACT 5 relay module (model 3BHB006716R0277) serves as a critical component for precise switching operations in industrial automation systems. Designed for applications requiring reliable electrical isolation and control, this module handles high-precision tasks in environments where consistent performance matters most. Its primary function involves managing motor controls, process monitoring systems, and synchronization circuits across manufacturing and energy infrastructure projects.
Technical Specifications
- Brand: ABB
- Order Code: 3BHB006716R0277
- Series: SYCHROTACT 5
- Module Type: Relay Module
- Input Voltage: 24 VDC
- Contact Type: Changeover (CO)
- Mounting: DIN Rail
- Operating Temp: -25°C to +70°C
- Humidity: Up to 95% RH non-condensing
- Compliance: CE, UL, RoHS, IEC 60255
- Standards: IEC 61850

Engineered for challenging industrial conditions, this relay module finds common use in motor control centers and process automation systems where vibration resistance and thermal stability are crucial. We’ve seen it deployed in steel mills managing conveyor belt synchronization, and in power plants controlling turbine auxiliary systems. The changeover contact configuration allows dual-circuit control through single-pole double-throw switching – particularly useful for redundancy applications.
Our inventory includes compatible components like ABB’s PM866 controllers and 3BHE040375R1023 interface modules. For systems requiring similar functionality, alternatives like the SYN5302a-Z V278 (230 VAC version) or SYN5302a-Z V276 (110 VDC variant) are available. The DIN rail mounting design ensures straightforward integration into standard control cabinets without requiring special tools.

As a global distributor with 16 regional warehouses, we maintain immediate stock access for critical automation components. Every ABB module ships with a 12-month warranty covering manufacturing defects. For urgent replacements, our express delivery network ensures 3-5 business day delivery to most international locations. Contact our technical team via WhatsApp or email for current pricing and lead times.

Technical Note: When replacing older SYCHROTACT 4 modules, verify control voltage compatibility and confirm DIN rail spacing matches existing cabinet layouts. Our engineers can provide compatibility checks before shipment.








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