The ABB 07NG81 (also marked as 07NG81R6, GJR5213300R0006) is an industrial-grade power supply module specifically designed for use within ABB’s Advant OCS and Master control systems. It plays a critical role by delivering regulated, stable power to various control and automation modules. Known for its reliability, robust construction, and seamless integration capabilities, the 07NG81 ensures continuous operation in demanding industrial environments such as process plants, energy utilities, and manufacturing systems.

Built for high-performance applications, this module provides both power regulation and protection. It safeguards downstream control units from voltage fluctuations, electrical noise, and power loss. The module is DIN-rail or rack-mountable depending on system configuration, and is commonly used as a backbone power source within the ABB Symphony and MasterPiece 200/1 control systems.

Product Specifications

Product Applications

The ABB 07NG81 power supply module is extensively used in:

• Process Automation Systems: Refineries, chemical plants, and water treatment systems where robust and continuous power is required.

• Power Generation Plants: Supporting turbine control, generator management, and protection relay systems.

• Manufacturing Facilities: Delivering power to PLCs and distributed I/O in production lines.

• Utilities and Infrastructure: In SCADA and substation automation systems.

• Marine and Offshore Installations: Where compliance and reliability are critical.

Its compact design and industrial-grade performance make it ideal for applications where stable, isolated DC power is necessary for sensitive control electronics.

Product Advantages

• High Reliability: Engineered for 24/7 operation under industrial loads.

• Wide Input Range: Supports both AC and DC inputs for flexible installation.

• Thermal Resilience: Operates efficiently without active cooling, reducing failure points.

• Compact Footprint: Saves space in crowded control cabinets.

• ABB System Integration: Seamlessly fits into Advant, Master, and Symphony control frameworks.

• Protective Features: Includes short-circuit, overvoltage, and overload protection.

FAQ

1. What systems is the ABB 07NG81 compatible with?

   It is primarily used with ABB Advant OCS, Symphony, and Master control systems.

2. Does the 07NG81 support dual voltage output?

   It depends on the system configuration; it can provide +5 V DC or +24 V DC output.

3. Is the module hot-swappable?

   No, it should be installed or removed only when the system is powered down.

4. What kind of protection features does the module offer?

   It includes overload, overvoltage, and short-circuit protection with automatic recovery.

5. How is the module cooled?

   It relies on passive convection cooling—no fans are used.

6. Can the 07NG81 be used in outdoor environments?

   It is designed for indoor, panel-mounted environments unless housed in a suitable enclosure.

7. What is the installation method?

   It supports both DIN-rail and rack mounting.

8. Is it possible to monitor the output status?

   Status LEDs may be available for visual diagnostics, but external monitoring depends on system design.

9. What maintenance is required for this module?

   It is maintenance-free; occasional inspection for dust and connection integrity is sufficient.

10. What is the lifespan of the ABB 07NG81 module?

    Depending on load conditions and environmental factors.