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AboutShijiazhuang Tonghe Electronic Technology Co., Ltd. is a high-tech enterprise dedicated to technological innovation, product innovation, and management innovation in the power electronics industry. It integrates R&D, manufacturing, sales, and service in the power electronics sector, providing customers with comprehensive energy solutions. -
ProductAfter more than two decades of rapid development, the company has established an industrial pattern covering three major business sectors: new energy, smart grid and aerospace. Its sales network covers more than 30 provinces, municipalities and autonomous regions nationwide, and its products are sold to overseas markets, winning high recognition from customers at home and abroad.
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PartnerIn the future, the company will continue to uphold its corporate mission of “embracing an entrepreneurial spirit, focusing on power electronics, efficiently utilizing energy, and serving global users,” while adhering to the core values of “contribution, mutual benefit, gratitude, efficiency, and innovation” to provide users with high-quality products and services.
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BlogsCommunicate with sincerity and courageously take responsibility; keep the customer at the center of our focus, continuously optimize the company’s management systems and processes, consistently identify and meet customer needs, deliver and enhance customer value, and maintain the company’s rapid growth.
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Join usThe company consistently upholds a talent philosophy centered on “people first,” actively fostering an atmosphere of respect, understanding, integrity, and friendliness. We provide a robust platform for talent development, enabling our employees to become powerful pillars of the company’s sustained growth and achieving mutual growth and shared success between the company and its talents.
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InvestorDisclose information relevant to investors’ decision-making in a truthful, accurate, complete, timely, and fair manner; strengthen communication and engagement with investors; and enhance and improve investor relations management.
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ContactWith a spirit of self-respect, self-reliance, and relentless self-improvement, coupled with an open mind, we focus on customer needs based on continuous learning and absorption. We dare to take risks, keep exploring, and steadily build management models and technological products that reflect our unique characteristics.
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Headquarters address:
No. 350, Lijiang Road, Shijiazhuang High-tech Zone
TH48T50ZZ-220
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- Description
- Parameters
- Application
- Product Info
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Product Introduction
Our company has developed the TH series intelligent communication power supply, a new-generation “four-remote” high-frequency switching power supply specifically designed for communication systems. The modules employ world‑leading resonant voltage‑type dual‑loop control power conversion technology, offering advantages such as compact size, light weight, high efficiency, and exceptional reliability. The product is equipped with a standard RS‑485 interface, facilitating seamless integration with automation systems. It is suitable for use in stored‑program controlled switches and can be paired with a wide range of communication equipment.
Product Features
·High efficiency
·Lightweight
·Small size
·Equipped with a standard RS‑485 interfaceProtection function
·Output overvoltage protection
·Output current-limiting function
·Output short-circuit protection
·Output overcurrent protection
·Module Parallel Protection
·Over-temperature protection -
Input voltage range
198–242 VDC
Output voltage range
43–53 VDC
Maximum output current
50A
Efficiency
≥92%
Voltage regulation accuracy
≤±0.5%
Parallel operation current imbalance degree
≤±3%
Start-up delay
3~8s
Storage temperature
-40～+60℃
Operating temperature
-10～+40℃
Module cooling method
Natural air cooling
Automatic current-limiting feature
When the output current exceeds the set output current limit, constant-current output is activated.
Output Overvoltage Protection
Output voltage exceeds 60–63 VDC; output automatically shuts off.
Output short-circuit protection characteristics
When a short circuit occurs, the module automatically protects itself and resumes operation once the fault is cleared.
Size
230×107.5×391 mm (front view module, excluding the panel; height × width × depth)
Weight
10kg
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Customer Message
Dedicated to providing customers with customized system energy solutions.