DELTA ESR-48/10BE DPR48/10-B-DCE Power Supply Module Product Description: The DELTA ESR-48/10BE is a high‑efficiency 48V DC hot‑swappable rectifier module designed for telecommunications power systems. This module is also
referred to as DPR48/10-B-DCE – a designation frequently used in inventory records and
Bill‑of‑Materials (BOM) listings, where “B” indicates a module
variant with a specific current rating and interface configuration.
Manufactured by Delta Electronics, a world‑leading provider of power and thermal management
solutions, the ESR‑48/10BE provides regulated -48V DC output power
for telecom infrastructure equipment. Key Technical Specifications | Parameter | Specification |
|---|
| Manufacturer | Delta Electronics (Delta Group) | | Product Model | ESR-48/10BE / DPR48/10-B-DCE | | Form Factor | Hot‑swappable rectifier module | | Input Voltage (Nominal) | 220 VAC (single‑phase) / -48 VDC | | Input Voltage Range | 90 Vac to 300 Vac (wide‑range) / 176 Vac – 275 Vac (full load) | | Output Voltage (Nominal) | -48 VDC (telecom standard) | | Output Current Rating | 10A | | Output Power (Typical) | 480 W (48 V × 10 A) | | Efficiency | ≥ 90.5% at rated input and load | | Power Factor | > 0.99 (with active PFC) | | Frequency Range | 45 Hz – 65 Hz | | Operating Temperature Range | 0°C to +50°C (32°F to 122°F) | | Dimensions (W×D×H) | Approximately 125.5 × 269.9 × 40.8 mm | | Weight | Approx. 2.0 kg | | Power Density | > 2 W/cm³ (34 W/inch³) |
Key Features & Functions 48V Telecom Power – Delivers regulated -48V DC power commonly used in
telecommunications systems, base stations, and network equipment. Hot‑Swappable Design – The module can be inserted or removed without powering down the
entire system, enabling live maintenance and minimizing service
disruption. All adjustment and operation are performed from the
system front for convenient installation and expansion. Active Power Factor Correction (PFC) – Interleaved PFC technology achieves a power factor greater than
0.99 and low AC input current harmonic distortion (THD < 5%),
effectively eliminating harmonic pollution to the grid. High Efficiency – ≥ 90.5% efficiency reduces heat generation and lowers operating
costs. Advanced Protection – Built‑in protections include output over‑current, over‑voltage,
over‑temperature, and short‑circuit protection. High Power Density – Compact design with power density greater than 2 W/cm³
(34 W/inch³) saves valuable rack space. Intelligent Monitoring – Compatible with Delta power system controllers via RS‑232 or
optional TCP/IP card for local/remote centralized monitoring. Wide Operating Range – Accepts AC input from 90 V to 300 V, with tolerance up to
380 Vac without damage. Status LED Indicators – Front‑panel LEDs provide clear visual indication of operating
status: load current level (LOAD), AC input power (AC ON), equalize
charge (EQU), current limit mode (CL), rectifier fault (RFA), and
fan failure (FF). N+1 Redundancy – Supports N+1 redundant configurations for improved system
reliability.
Product Details: If you are interested, please let us know the specific model. We
will provide the best service and the best price! |
