ABB 1SDA055921R1 Circuit Breaker Accessory / Protection Module for Low Voltage Power Distribution
ABB 1SDA055921R1 high-quality circuit breaker spare part, suitable for low-voltage power distribution systems, stable performance, reliable protection, original genuine, 12 months warranty.
Product Overview
ABB 1SDA055921R1 is a dedicated electrical accessory module designed for ABB low-voltage circuit breakers and power distribution systems. It provides auxiliary control, signal feedback, fault indication and protection functions, ensuring safe and stable operation of power distribution equipment in industrial and commercial power systems.
Key Specifications
- Brand: ABB
- Part Number: 1SDA055921R1
- Product Type: Circuit Breaker Accessory / Protection Module
- Application: Low Voltage Power Distribution, Circuit Breaker Control & Monitoring
- Condition: New Original / In-Stock
Warranty: 12 Months
Key Features
Original genuine part with perfect compatibility with ABB circuit breakers
Stable electrical performance and strong anti-interference ability
Provides reliable auxiliary contact, control or protection functions
Compact structure, easy installation and direct replacement
Suitable for long-term operation in industrial power environments
Typical Applications
Low-voltage power distribution cabinets and switchgear
Industrial power supply and distribution systems
Building power and electrical control systems
Factory automation power protection
Power plants, substations and infrastructure power equipment
Petrochemical, metallurgy, water treatment and other power 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.











