Overview
The ABB 1MRB150072R3/A (alternate ID: EHBC150073R52) is a high-performance signal processing board used within UNITROL and MEGATROL excitation systems. It manages and conditions both analog and digital feedback signals that regulate generator field excitation, ensuring precise voltage control and system stability in synchronous machines.
Its Eurocard modular design supports quick replacement and hot-swap maintenance without system downtime. The unit relies on passive cooling, making it suitable for sealed control enclosures in power plants and industrial environments. ABB’s long-term product support ensures compatibility with both legacy and modern excitation platforms.
For example, in a hydroelectric power plant, this board processes voltage feedback and excitation control commands to maintain generator output within grid requirements.
Technical Data
| Parameter | Specification |
|---|---|
| Model Number | 1MRB150072R3/A |
| Product Type | Signal Processing Board |
| Dimensions | 100 mm × 160 mm × 160 mm |
| Weight | 2.4 kg |
Application
The ABB 1MRB150072R3/A is ideal for:
-
Synchronous Generator Control
Enables precise excitation and reactive power regulation. -
Motor Excitation Systems
Stabilizes large motors under varying load conditions. -
Substation Automation
Supports voltage regulation and coordinated protection. -
Process Industries
Applied in steel, mining, and chemical facilities requiring stable power delivery. -
Excitation System Retrofits
Direct replacement for legacy ABB Eurocard boards in critical infrastructure.
This module is designed for environments where high reliability, continuous operation, and fast signal processing are mandatory.
FAQ
Q: Which excitation platforms support this board?
A: ABB UNITROL and MEGATROL systems.
Q: Does it support hot-swap replacement?
A: Yes — Eurocard design enables front-access hot-swapping.
Q: What type of signals does it process?
A: Both analog and digital excitation control signals.
Q: Is extra cooling required?
A: No — built-in passive cooling supports stable operation.
Q: What is the typical warranty period?
A: Standard 12-month ABB warranty.
| 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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