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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
TH48D50NZ-S-2
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- Description
- Parameters
- Application
- Product Info
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Product Introduction
This product is a high‑power‑density communication power supply for industrial applications, entirely developed, tested, and manufactured in‑house. It complies with national standards and features a compact 1U form factor, delivering exceptionally high power density and achieving a peak efficiency of up to 96%. The module incorporates multiple built-in protection functions, ensuring safe and reliable operation. Communication protocols include Modbus and are compatible with Tonghe’s proprietary protocol, with RS‑485 interface support, offering broad applicability across most use cases. When paired with monitoring systems, it can be integrated into complete communication power supply systems, DC switchgear panels, or all‑in‑one power solutions.
Product Features
·Designed in accordance with the DL/T 1074-2019 standard
·High efficiency
·Lightweight
·Small size
·Supports hot-swapping
·Low-power standby
·Stepwise output power
·Wide input range, compatible with both AC and DC inputsProtection function
·Output overvoltage protection
·Output current-limiting function
·Output short-circuit protection
·Over-temperature protection
·Input over- and undervoltage protection
·Fan Fault Protection -
Input voltage range
176–264 VAC/VDC
Input frequency range
45–60 Hz
Output voltage range
40–58 VDC
Maximum output current
50A
Efficiency
≥96%
Voltage regulation accuracy
≤±0.5%
Parallel operation current imbalance degree
≤±5%
Storage temperature
-40～+60℃
Operating temperature
-10～+40℃
Source effect
0.1%
Load effect
0.5%
Standby power consumption
≤5W
Load rating
Continuous operation at 100% of the rated output current (Class I)
Module cooling method
Forced air cooling
Automatic current-limiting feature
When the output current exceeds the set output current limit, constant-current output is activated.
Linear power limit
V i =154V, P o ≥2600W; V i =90V, P o ≥1200W
Output short-circuit protection characteristics
Output short circuit, module protection; automatic recovery within 40 seconds after fault clearance.
Size
44.7 × 110.2 × 248 mm (front view module including panel, height × width × depth)
Weight
1.9kg
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Customer Message
Dedicated to providing customers with customized system energy solutions.