ETP48100-B1-50A Power Converter with 1xPMU and 1xPSU
The ETP48100-B1-50A is a compact, high-efficiency DC power system specifically designed for telecom and industrial applications requiring stable 48V DC power. This system integrates one Power Management Unit (PMU) and one Power Supply Unit (PSU), delivering a robust and scalable power solution that is ideal for small to medium-sized installations.
Key Features:
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Input Voltage: 85–300V AC or 120–350V DC, supporting a wide range of power grids and backup energy systems.
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Output Voltage: -42V to -58V DC, adjustable to meet various equipment requirements.
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Output Capacity: 50A maximum current output, ensuring reliable power delivery for demanding telecom loads.
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Power Module (PSU): Includes 1 x high-efficiency rectifier module, offering excellent energy-saving performance and stable DC output.
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Power Management Unit (PMU): Intelligent monitoring and management system that supports real-time fault detection, alarms, remote monitoring, and battery management.
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Efficiency: Up to 96% rectifier efficiency, minimizing energy loss and operational costs.
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Compact Design: 1U height (standard 19-inch rack mount), saving space in constrained environments.
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Cooling System: Forced air cooling with intelligent fan speed control for improved thermal management and extended module lifespan.
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Remote Management: Supports network-based management through standard interfaces (RS232, Ethernet, etc.), enabling centralized supervision and control.
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Protection Features: Includes input overvoltage protection, output overvoltage protection, short-circuit protection, over-temperature protection, and battery low-voltage disconnection (LVD).
Typical Applications:
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Telecom base stations (BTS)
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Optical transmission systems
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Access networks
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Data centers
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Industrial control systems
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Emergency communication systems
Technical Specifications: ETP48100-B1-50A
| Parameter | Specification |
|---|---|
| Input Voltage Range | 85V AC–300V AC / 120V DC–350V DC |
| Output Voltage Range | -42V DC to -58V DC (default -53.5V) |
| Maximum Output Current | 50A |
| Maximum Output Power | 2900W (typical) |
| Efficiency | Up to 96% |
| Dimensions (W × D × H) | 442mm × 300mm × 44.4mm |
| Weight | Approx. 8 kg (fully loaded) |
| Operating Temperature Range | -40°C to +75°C |
| Cooling | Forced air cooling |
| Communication Interfaces | RS232, Ethernet |
| Alarm Outputs | Dry contact alarms |
| Specification | |
| Input voltage | 220 V AC single-phase voltage range: 176 V AC to 290 V AC |
| Input voltage frequency | 45 Hz to 65 Hz |
| Output voltage | Voltage range: -42 V DC to -58 V DC |
| Output current | 30 A for the 220 V AC single-phase input power |
| Maximum output power (W) | 3000 W (176–290 V AC); 1250 W (85–175 V AC decreased linearly) |
| Surge protection capability | 2 kV in differential mode 4 kV in common mode |
Benefits:
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Easy to install and maintain.
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Highly reliable and energy-efficient.
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Flexible scalability with modular design.
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Real-time monitoring and intelligent alarms for preventive maintenance.
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