The Heda GERM4815TVP is a high-reliability, compact carrier-grade high-frequency switch-mode telecom rectifier module delivering a rated -48V DC output, up to 15A continuous current, and 870W output power across an adjustable voltage range of -43V to -58V DC.
Need to confirm a model, specification, or project configuration? Our team can follow up by email or phone.
Architecturally, the GERM4815TVP integrates an active Power Factor Correction (APFC) front-end achieving PF > 0.99 with an isolated high-frequency soft-switching DC-DC secondary converter. Regulated by an embedded microcontroller, it features built-in digital telemetry, real-time input/output monitoring, temperature compensation, and compliance with stringent telecom-grade EMC, isolation, and lightning surge immunity standards.
The module resolves operational challenges associated with unstable grid quality (brownouts, surge spikes), tight installation spaces in outdoor street cabinets, and thermal degradation in remote micro-sites. It eliminates unplanned outages and bus voltage sags during field maintenance through spark-free hot swapping and automated thermal/load protection.
Ideal for 4G/5G micro-base stations, distributed antenna system (DAS) hubs, remote radio unit (RRU) outdoor power cabinets, optical network terminal (ONT) distribution, and industrial IoT edge computing enclosures.
| Key specifications | Value |
|---|---|
| Maximum Output Current | 15A |
| Rated Output Power | 870W |
| AC Input Voltage | 90V AC ~ 290V AC |
| Rated Output Voltage | -48VDC (-42V ~ -58V) |
| Maximum Efficiency | ≥ 92.5% |
| Operating Temperature Range | -40°C ~ +75°C |
| Cooling System | Natural Convection Cooling / Assist Fan |
| Hot-Swappable Support | Yes (Live Hot-Pluggable / Plug-and-Play without Power Interruption) |
Heda
Featuring a conversion efficiency of ≥92.0% and an ultra-wide AC input range of 90V AC to 290V AC, this module incorporates intelligent variable-speed fan cooling, hot-swappable connectivity, and autonomous active current sharing, ensuring uninterrupted power availability across demanding environments from -25°C to +65°C.
Featuring an ultra-wide operating range (-20°C to +65°C), the EPMU03 integrates a multilingual LCD screen with physical navigation keys, a high-performance digital control engine, and native Modbus/Heda protocol support. Its hot-swappable architecture ensures zero-downtime maintenance across critical network infrastructure.
Engineered for harsh operating environments, the 4850C achieves peak conversion efficiency greater than 92.5% and a power factor of 0.99 via advanced Active Power Factor Correction (APFC) and resonant topologies. It features forced-air cooling driven by an intelligent variable-speed brushless fan, seamless live hot-swappability, autonomous active current-sharing across parallel units, and robust protection against input line disturbances, voltage surges, and output anomalies.
Achieving a peak efficiency exceeding 94.5%, the 4850N2 combines full digital control topology with an intelligent speed-regulated brushless DC cooling fan for superior power density. Designed for rugged electrical environments, it features active power factor correction (PFC), comprehensive CAN bus communication, and true live hot-plug capability, guaranteeing carrier-grade reliability and exceptionally high MTBF.
