ABB REF542PLUS

Description

Parameters and Specifications:

• Input Voltage: 200~250VAC, 47~63Hz¹
• Output Voltage: 24VDC¹
• Output Current: 20A¹
• Power: 480W¹
• Working Temperature: -25℃~+70℃¹
• Efficiency: Over 90% (using high-efficiency switching power supply technology)¹
• Protection: Overload protection, automatically shuts down in case of overload¹

Dimensions and Weight:

• Dimensions: 225 mm x 110 mm x 50 mm (external dimensions)¹
• Weight: 2.0 kg¹

Series:

• REF542PLUS belongs to ABB’s REF542 series².

Features:

• Integrated Functions: REF542PLUS integrates protection, control, measurement, communication, and monitoring functions in one unit¹⁶.
• Programmable Environment: All functions are realized through a programmable environment².
• High Reliability: Uses high-quality materials and manufacturing processes, ensuring stable and reliable operation²³.
• Flexible and Expandable: Supports multiple communication interfaces and protocols, allowing easy connection and data transmission with other devices. It also supports secondary development and customized applications²³.
• Graphical Human-Machine Interface (HMI): Supports Chinese language and intuitive touch operation²³⁴.
• Compatibility: Compatible with various industrial control systems and devices, enabling easy integration with existing systems²³.

Purpose:

• REF542PLUS is a digital control and protection solution for medium-voltage switchgear, regardless of whether a back-end system is equipped².
• It can be used as a feeder protection, transformer protection, motor protection, and control device, or as a separate control device².
• REF542PLUS is suitable for various industrial automation applications where reliable control and monitoring are required⁴.