Overview
The ABB RK732105-CA, also known by its type designation RXTUG 21HU1DC110-250V, is a robust DC converter module engineered for demanding industrial and utility environments. It is part of ABB’s trusted RXTUG series, widely used in high-voltage protection and control systems. This converter is designed to deliver regulated DC output for relays, IEDs, and auxiliary control circuits, even under fluctuating input conditions.
Moreover, the RK732105-CA features a compact footprint and rugged construction, making it ideal for panel integration in substations, switchgear, and control cabinets. Its high reliability and long service life reduce maintenance needs and ensure continuous operation in mission-critical applications. In addition, the unit complies with international standards for electromagnetic compatibility and insulation, ensuring safe and interference-free performance.
Technical Data
| Parameter | Specification |
|---|---|
| ABB Type Designation | RXTUG 21HU |
| Net Weight | 2kg |
Typical Applications
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Substation Automation Systems: Provides stable DC power to protection relays, control logic, and communication modules.
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High-Voltage Switchgear Panels: Powers auxiliary circuits in GIS and AIS systems operating at 110 kV and above.
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Industrial Control Cabinets: Ensures reliable DC supply for PLCs, sensors, and interlocking devices in manufacturing plants.
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SCADA and RTU Power Supply: Supports uninterrupted operation of remote terminal units and data acquisition systems.
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Legacy System Upgrades: Ideal for replacing aging DC converters in ABB protection schemes with minimal reconfiguration.
For example, utilities across Europe and Asia have deployed RK732105-CA in 220 kV and 500 kV substations to ensure uninterrupted relay operation during voltage fluctuations. Additionally, its wide input range makes it suitable for systems with variable DC bus voltages or backup battery banks.
FAQ
Q: What is the input voltage range of RK732105-CA?
A: It operates from 110V to 250V DC, making it suitable for a wide range of substation power systems.
Q: What is the typical use of this DC converter?
A: It supplies regulated DC power to protection relays, control logic, and communication devices in substations.
Q: Is RK732105-CA compatible with ABB REX or REB series relays?
A: Yes, it is designed to support ABB’s protection relay families, including REB103 and REX series.
Q: Can it be used in outdoor installations?
A: It is typically installed inside control panels or relay cabinets, which may be housed in outdoor-rated enclosures.
Q: Is RK732105-CA still available for purchase?
A: Yes, it is available as a new product and supported by ABB’s global distribution network.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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