ABB B5LD SR91H520 1KHW002356R0001 Power Supply Board

ABB B5LD SR91H520 1KHW002356R0001 Power Supply Board

Description

B5LD SR91H520 1KHW002356R0001 is the core power conversion module of the ABB ETL600 power line carrier communication system. It is responsible for converting the 48VDC industrial standard voltage from the external input into multiple working voltages required by each control and communication module within the system, providing stable and reliable power support for the entire power communication equipment.

This module integrates multiple industrial-grade protection functions, including surge current limiting, overload/overcurrent/short circuit protection, overheating protection, and input reverse connection protection. It can effectively isolate external grid fluctuations and faults, comprehensively protecting the downstream precise communication and control circuits, and ensuring the continuous and stable operation of the ETL600 system in harsh industrial environments.

Features

• Product Type: ETL600 System-specific Power Conversion Module
• Core Function: 48VDC industrial voltage multi-channel conversion, system power supply and circuit protection
• Input Specifications: +48 VDC, 8.2A
• Output Specifications: Multi-channel DC output (+65VDC/-65VDC/+5.1VDC/+12.8VDC/-12.8VDC)
• Protection Functions: Surge limiting, overload / overcurrent / short circuit, overheating, reverse connection full protection
• System Adaptation: Specifically designed for ABB ETL600 power communication system
• Application Scenarios: Power substations, high-voltage transmission line communication systems

Technical Specifications