ABB 1VCF750090R801 HMI Operator Panel for REF542PLUS Feeder Protection Relay
ABB 1VCF750090R801 human-machine interface module dedicated for REF542PLUS relay, used for parameter setting, status display and fault diagnosis in power distribution systems.
Product Overview
ABB 1VCF750090R801 is a dedicated HMI operator panel designed for the REF542PLUS feeder protection relay. It provides local operation, parameter configuration, real-time status display and fault recording functions, widely used in medium‑voltage power distribution and substation automation systems.
Key Specifications
- Brand: ABB
- Part Number: 1VCF750090R801
- Product Type: HMI Operator Interface / Display Panel
- Compatible With: REF542PLUS Feeder Protection Relay
- Power Supply: 48–110 VDC
- Operating Temperature: -10°C ~ +55°C
- Function: Local control, parameter setting, status monitoring, fault indication
- Condition: New Original / Refurbished / In-Stock
- Warranty: 12 Months
Key Features
Clear LCD display and button operation for easy local configuration
Direct plug‑and‑play connection with REF542PLUS main unit
Stable performance in industrial and substation environments
Supports real-time measurement display and event log viewing
Compact structure, easy installation and direct replacement
High anti-interference capability for power system applications
Typical Applications
Medium‑voltage switchgear and feeder cabinets
Substation distribution protection systems
Industrial power supply and distribution
Power utility grid automation
Retrofit and maintenance of REF542PLUS relay systems
About us
Guizhou Yuanmiao Automation Equipment Co., Ltd. is a professional supplier engaged in industrial automation spare parts and international trade. We mainly supply genuine DCS systems, PLC modules, synchronous relays, servo drives, robot spare parts and other widely used control components.
We focus on world-famous brands such as ABB, Siemens, Woodward, Bently, GE and others. With reliable overseas sourcing, fast delivery and quality guarantee, we provide global customers with cost-effective products and professional foreign trade services.
Our products are widely used in power plants, substations, oil and gas, metallurgy, data centers, marine and manufacturing industries. We are committed to becoming a trustworthy one-stop partner for industrial automation spare parts.
Manufacturing, mining and infrastructure power control











