ABB HESG448614R1 Transformer Protection and Control Relay

The ABB HESG448614R1 is a dedicated numerical relay designed specifically for comprehensive transformer management in utility and industrial power distribution systems. This relay plays a critical role in protecting transformers by providing precise, reliable control and monitoring functions, ensuring optimal system performance and asset longevity.

Key Features:

• Compact and Modular Design:
  The relay features a compact footprint with a withdrawable unit design, making installation, inspection, and maintenance straightforward and efficient.

• Advanced Communication Protocols:
  Supports multiple industry-standard communication protocols, including:

• IEC 61850 (Edition 2)

• Process bus (IEC 61850-9-2 LE)

• IEC 60870-5-103

• Modbus®

• DNP3

• Profibus DPV1 (via SPA-ZC 302 converter)
  These protocols enable seamless integration into modern substation automation systems, facilitating flexible and reliable communication.

• Flexible Configuration:
  Provides eight pre-defined standard configurations tailored for various neutral grounding methods, including high-impedance and low-impedance grounding. The PCM600 software offers an intuitive signal matrix and graphical application tools, allowing users to customize relay settings and protection schemes according to specific project needs.

• Multi-layer Logic Functions:
  Supports the creation of complex protection logic using timers, flip-flops, and other functional elements within the PCM600 environment. This allows for highly customized protection strategies optimized for individual installations.

Physical Specifications:

Mounting Options:

• Mounting Position:
  Can be installed horizontally or vertically (vertical mounting may require derating).

• Mounting Type:
  Suitable for both DIN rail and panel mounting configurations.

• Degree of Protection:
  IP20 ingress protection rating, offering protection against solid objects greater than 12 mm but no protection against liquids.