Brand:ABB PLC Item No.:UA50-30-00RA Product Origin:Sweden (SE) Product Dimensions:70 x 140.4 x 150 mm Product Weight:1.35 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The ABB UA50-30-00RA Capacitor Contactor is engineered to provide safe and efficient switching of capacitor banks in power factor correction systems. It addresses the challenges of high inrush currents typically associated with capacitive loads, ensuring smooth and controlled operation.
With integrated damping resistors and a durable industrial design, this contactor enhances system stability while extending the service life of connected components. It is a dependable choice for improving power quality and maintaining efficient electrical performance.
Technical Specifications
Parameter
Details
Product Model
UA50-30-00RA
Part Number
1SBL351024R8000
Manufacturer
ABB
Function
Capacitor Contactor
Rated Application
Capacitor Switching
Mounting Type
Panel-mounted
Electrical Design
With damping resistors
Operating Temperature
Industrial-grade range
Dimensions
70 × 140.4 × 150 mm
Weight
1.35 kg
Recommended Companion Models
Model Number
Product Name
ABB UA30-30-00RA
Capacitor Contactor
ABB UA75-30-00RA
Capacitor Contactor
ABB CLMD43
Power Capacitor Unit
ABB RVT12
Power Factor Controller
Popular Alternative Models
Model Number
Product Name
ABB AF50-30-00
Standard Contactor
ABB A50-30-10
3-Pole Contactor
ABB UA63-30-00RA
Capacitor Contactor
ABB AF38-30-00
Compact Contactor
Ideal Use Cases
• Power factor correction systems in industrial power networks
• Capacitor bank switching in reactive power compensation setups
• Electrical distribution panels in manufacturing facilities
• HVAC systems requiring efficient capacitor control
• Renewable energy systems with power quality management
Key Advantages
• Specifically designed for capacitor switching, minimizing inrush current impact
• Built-in damping resistors reduce switching transients and protect capacitors
• Reliable performance under frequent switching operations
• Compact and robust structure for easy panel installation
• Extended electrical lifespan compared to conventional contactors
Technical Questions & Answers
1. What makes this contactor suitable for capacitor switching?
It includes pre-charge resistors that limit inrush current during capacitor energization.
2. Can it handle frequent switching operations?
Yes, it is specifically designed for high-frequency switching in capacitor banks.
3. Does it reduce stress on capacitors?
Yes, damping resistors help minimize voltage spikes and electrical stress.
4. Is it compatible with standard control systems?
Yes, it integrates easily into conventional industrial control circuits.
5. What type of load is it designed for?
It is specifically optimized for capacitive loads.
6. Does it improve power system efficiency?
Yes, it supports stable power factor correction, improving overall efficiency.
7. What protection features are included?
It includes arc control and transient suppression features.
8. Is special installation required?
No, it follows standard panel mounting procedures.
9. Can it operate in industrial environments?
Yes, it is designed for reliable operation in demanding conditions.
10. How does it extend equipment life?
By reducing switching stress, it protects both capacitors and contactor components.
