Introducing the SR300B Series: Your Optimal Choice for Single Phase Display Power Regulation
In-depth Technical Specifications Overview
1.1 Superior Input Main Features
Circuit Voltage Range: 0-380V AC ± 10% at 50/60Hz; Control Power Supply: Efficient 24VDC/0.5A
1.2 Output Efficiency: Output Voltage Ranges from 0-98% of Main Circuit Voltage
Load Capacity: Supports Three-Way Load Configuration
Advanced Control Mode for Power Adjustment
1.3 Versatile Control Characteristics
Control Signal Precision: Analog DC4-20mA; Enhanced Fan Control: DC24V
Integrated Communication Control with RS485
Interface: Adopts Standard MODBUS for Seamless Communication
1.4 Robust Protection Systems: Overheat Alarm Triggers at 85°C
Ensures Safety with Timely Alarm Output
Overcurrent Protection: Automatic Stop when Load Exceeds Limit
1.5 Adaptable Environment Conditions
Operates in -10°C to 50°C; Requires Derating Above 45°C; Maintains <90%RH Humidity;
Prohibits Water Droplets
and Condensation; Suitable for Altitudes Below 1000 meters; Higher Altitudes Need Derating
1.6 Convenient Installation Process
Effortless Wall-Mounting: Vertical Setup for Optimal Ventilation
2 Detailed Model Definition
CR: Employs Thyristor Power Regulation
300: Configured for 3-Way Regulation
CT: Includes Current Detection for Enhanced Functionality
B: Features a User-Friendly Display Window; 80:
Indicates Rated Current for Thyristor Module
5: Incorporates RS485 Communication for Connectivity
Example: FUANSHI-CR300B-80-5-CT
Denotes: FUANSHI - A Premier Product Series from Beijing Fuanshi for Single-Phase Regulation
Our Advantages
The FUANSHI series of single-phase power regulators is meticulously designed, incorporating a sophisticated control board, high-quality radiator, efficient fan, and robust shell. At the heart of this innovation lies the advanced control board, ensuring superior performance and reliability. Our cutting-edge heat dissipation system features a high-efficiency radiator paired with a low-noise fan, ensuring optimal operation. The control board offers an array of functions including a synchronization circuit, automatic phase detection, phase loss protection, power-on soft start, gradual shutdown features, radiator overheating detection, current limitation, and over-current protection. Additionally, it provides a serial working status indication for seamless monitoring. With a current capacity ranging impressively from 20A to 200A, this power regulator is engineered to handle demanding applications. Its versatility allows integration with an intelligent PID regulator or PLC using 0~5V or 4~20mA, while also offering independent operation with manual functions. It is expertly crafted for single-phase resistive loads, making it an ideal choice across various industries. Our single-phase power regulator is perfectly suited for heating control in industrial electric furnaces, and finds extensive applications in metallurgy, the chemical industry, textile machinery, and beyond.This versatility ensures that it meets the rigorous demands of diverse industrial settings.
At Beijing Fuanshi Technology Co., Ltd., we are committed to providing our customers with comprehensive and expert technical support. Customers are encouraged to reach out to the nearest Fuanshi office or customer service center for personalized assistance. Alternatively, direct contact with the company headquarters is always welcomed for specific inquiries.
Please note that this document is proprietary and may not be transferred, copied, or its contents disclosed to third parties without explicit permission. Unauthorized use will incur appropriate compensation. Our company retains all rights, including the pursuit of patents and the registration of new intellectual property.
While we have meticulously checked this manual for consistency with both hardware and software described, we recognize the potential for discrepancies. As such, we do not assume liability for complete congruence. We are dedicated to regularly reviewing the data within this manual and incorporating any necessary updates in future editions. This ensures that our documentation remains precise and up-to-date, reflecting the highest standards of quality and innovation.
Detailed Photos




Company Profile
Beijing Fuanshi Technology Co., Ltd. stands as a beacon of innovation, leading the industry with cutting-edge solutions in industrial intelligent temperature control and semiconductor furnace technology.We are committed to the relentless pursuit of excellence in the research, development, manufacturing, and global distribution of state-of-the-art industrial intelligent temperature systems and advanced semiconductor furnace heaters. Our diverse and meticulously engineered product line includes high-performance power regulators, thyristor power supplies, and temperature control instruments, each designed to optimize efficiency, minimize heat loss, and extend the lifespan of films. These acclaimed products are trusted across Europe, America, Southeast Asia, and beyond. We are also proud representatives of SHINADEN, providing full-spectrum services from installation to commissioning in the industrial temperature control arena. Our continuous innovation in engineering ensures our semiconductor furnace products excel in reliability and performance, building trust in sectors like glass fiber, semiconductors, and more. Driven by our core values of 'investing in talent, prioritizing R&D', we rigorously innovate, aim to dominate markets with our premium products and services, surpass client expectations, and elevate our brand's esteemed reputation. We are excited and ready to establish strong partnerships with youfor mutual growth and shared prosperity.
Packaging & Shipping



FAQ
Q1.Can you provide price sheet and catalog to me ?
We are pleasure to provide these to you for reference,you can cotact me,give me your emails ID.
Q2.Can I get some samples?
Yes,Sample order is available for quality check and market test .but you need to pay the sample fee and shipping cost
Q3.How long is your lead time?
2-3 days for the stocks items, mass production generally needed 1-2 weeks.
Q4.What's your payment terms?
We usually accept all kinds of payment terms.Such as T/T,L/C,Western Union.Cash.
Q5.What's your warranty terms?
We offer 12 months warranty time.
Q6.Do you have the products in stock?
Depends on your request,We have standard models in stock.Some special products and big order will be newly produced according to your order.
Q7 How about your payment and shipment?
Payment: We accept T/T, Western Union, Paypal, Cash etc.
We usually ship via DHL, UPS, FedEx or TNT, SF for small order and via ocean for bulk order according to your requirement.
Q8.How does your factory do the quality control?
Quality is priority,we always attach the importance to quality control from the beginning to the end of the production.every product will be fully assembled and carefully tested before packing and shipping.