ABB 216NG63 | HESG441545R1 | Auxiliary DC Power Supply Module

Product Description

Overview
The ABB 216NG63 (HESG441545R1) is an auxiliary DC power supply and monitoring module engineered for ABB 200 Series digital protection and control systems, including UNITROL and MEGACONTROL platforms. It delivers reliable 24 VDC power to internal electronics, ensuring system stability and operational integrity under industrial conditions.

Key Features

• Stable 24 VDC Output: Maintains clean, regulated power for sensitive control electronics.

• Wide Input Range: Supports 36–312 VDC input for flexible integration in various DC-powered cabinets.

• Parallel Operation: Can be connected in parallel for increased capacity or redundancy.

• Short-Circuit and Overload Protection: Safeguards both the module and connected systems.

• Rack Integration: Designed for easy installation into ABB 200 Series modular subracks.

• High Reliability: Built to endure industrial temperature ranges and electromagnetic interference near high-current equipment.

Technical Specifications

Applications

• Generator Excitation Systems: Provides regulated power for control racks in hydro and thermal plants.

• Static Frequency Converters (SFC): Powers LCI-based turbine starter control electronics.

• Industrial Motor Drives: Supplies auxiliary power to synchronous motor control modules in mining, chemical, and heavy industry.

FAQ
Q: Can the 216NG63 operate in high-temperature cabinets?
A: Yes, it is designed with high-grade components to handle elevated thermal conditions.

Q: Is parallel operation possible for redundancy?
A: Yes, multiple units can be connected in parallel to increase capacity or ensure system redundancy.

Q: What should be checked if the control rack fails to initialize?
A: Always verify the input 24 VDC source first, as the 216NG63 serves as the primary power gatekeeper.