TH24D75NZ-S 24V 75A Telecom Rectifier Telecom Power Supply Systems

The TH24D75NZ-S is a high-efficiency 24V 75A telecom rectifier module with a rated power of 1800W. It delivers up to 96% efficiency, wide-range voltage input, intelligent temperature control and full-circuit protection, and supports remote monitoring and parallel operation. Compact, reliable and fully certified, it is ideal for 5G base stations, communication rooms and industrial 24V DC power systems worldwide.
1. Product Features
- Ultra-high Efficiency & Energy Saving: Built with advanced high-frequency switching technology, it reaches up to 96% efficiency and maintains over 91% efficiency under light load. It saves operational energy and supports stable 7×24-hour continuous telecom operation.
- Wide Voltage Input & Strong Grid Adaptability: It accepts 185V~300V wide AC input to fit unstable global grid conditions. It withstands voltage fluctuations and surges to ensure long-term stable operation of communication terminal devices.
- Intelligent Temperature Control & Low-noise Operation: Equipped with an adaptive speed fan for dynamic heat dissipation. It runs quietly under light load and accelerates cooling under heavy load to avoid overheating and extend service life.
- Full Protection & High Operational Safety: It integrates complete protection against over-voltage, under-voltage, over-current, short circuit, over-temperature and lightning surges. It triggers auto alarm and power-off to protect downstream equipment.
- Smart Remote Monitoring & Easy Maintenance: Standard RS485 and dry contact interfaces support real-time remote monitoring and parameter adjustment. It enables intelligent system management and reduces on-site maintenance costs significantly.
- Modular Compact Design & Flexible Expansion: Featuring a lightweight, space-saving structure for standard rack mounting. Multiple modules support parallel redundant operation for flexible power capacity expansion.
- Wide-temperature Stability & Harsh Environment Tolerance: It operates steadily from -20℃ to +70℃ with excellent moisture, dust and interference resistance, suitable for indoor and outdoor telecom base stations and equipment rooms.

2. Product Advantages
- Industrial-grade Operational Stability: Low ripple output and precise voltage regulation deliver consistent power supply and prevent communication signal interruption.
- Low O&M Cost & High Cost Performance: High energy efficiency cuts power consumption and maintenance workload. Modular design lowers overall investment and upgrade costs.
- Complete Certifications for Global Export: Fully certified with CE, RoHS and ISO9001, complying with international standards for global telecom and industrial projects.
- Redundant Parallel Operation & Zero Power Interruption: Supports parallel operation with automatic load balancing to ensure uninterrupted power supply for critical telecom systems.
- Smart O&M for Modern Equipment Rooms: Compatible with mainstream monitoring systems, enabling remote management and unattended room operation.
3. Detailed Product Parameters

4. Export Cases
Featuring reliable performance, complete certifications and strong compatibility, the TH24D75NZ-S telecom rectifier has long been exported globally. Widely adopted in overseas base station construction, computer room renovation and industrial communication projects, it has achieved over 10,000 cumulative shipments and gained wide recognition from international clients. Key project cases are listed below:
- Southeast Asia Telecom Base Station Project (Thailand, Malaysia): A total of 1,200 units were delivered in 2024 for upgrading 24V medium and small 5G edge base stations. Adaptable to local unstable grids, high temperatures and rainy weather, the units run trouble-free all year round and help local operators upgrade legacy power systems.
- African Communication Infrastructure Project (Nigeria, Kenya): Supplied in bulk for rural communication coverage and metropolitan network room projects. With superior surge resistance and remote monitoring capability, the units minimize on-site maintenance and maintain ultra-low failure rates for local telecom infrastructure.
- European Industrial Communication Project (Germany, Poland): Certified for European markets, the units power industrial IoT and communication transmission equipment. High efficiency, low noise and precise output fully meet strict European energy and operational standards for continuous industrial power supply.
- Middle East Outdoor Communication Project (UAE, Saudi Arabia): Optimized for high-temperature and arid desert environments, the units serve outdoor base stations and PV-backed communication power systems. They sustain stable operation under extreme heat and ensure 24/7 telecom availability.

5. FAQ
Q1: Can this power supply be used in parallel for capacity expansion?
A1: Yes. It supports multi-unit parallel redundant operation for flexible capacity expansion. Built-in automatic load balancing evenly distributes current among parallel modules. A single module failure will not shut down the entire system, ensuring reliable and scalable power supply.
Q2: What is the operating temperature range? Is it suitable for outdoor base stations?
A2: Yes. The operating temperature ranges from -20℃ to +55℃, with a storage range of -40℃ to +70℃. It features outstanding temperature adaptability, moisture resistance, dust resistance and anti-interference performance, ideal for outdoor base stations and harsh field scenarios.
Q3: Does it support remote monitoring and parameter debugging for unattended computer rooms?
A3: Yes. The module comes standard with RS485 communication and dry contact alarm functions. It connects seamlessly with mainstream intelligent room monitoring systems to support real-time status viewing, remote parameter debugging and automatic fault reporting for unattended operation.