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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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No. 350, Lijiang Road, Shijiazhuang High-tech Zone
ZLJC-64
The ZLJC-64 module developed by Shijiazhuang Tonghe Electronics Technology Co., Ltd. features functions for acquiring branch‑circuit status, alarm signaling, and insulation‑condition monitoring.
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Product Introduction
The ZLJC-64 module developed by Shijiazhuang Tonghe Electronics Technology Co., Ltd. features the capabilities of monitoring branch circuit status, generating alarms, and acquiring insulation information.
Product Features
• Collect information from 64 tributary channels
• Supports RS485 and CAN communication -
Technical indicators Power supply Power input, range 88–286 VDC Size 116*202*45mm (front view: height*width*depth) Interface Definition Digital Input SI 1 to 64 signal inputs. It can measure the output of a leakage current sensor or switch-state signals. Address Device address DIP switch COM When used to acquire switch status, the common terminal of the digital input SI. +12V, GND, -12V Supply voltage to the sensor, maximum load 640 mA. Function Fun Function DIP switch: configure the data acquisition content and baud rate via the DIP switch. Matching resistor R The termination resistor for the CAN communication interface, when set to the ON position, is active. H, L CAN communication interface A, B RS485 communication interface Power supply Power connector
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