Product Overview
The Delta ESR-48/30DD is a 30A hot-swappable -48 VDC rectifier module for -48 VDC telecom power systems, base station cabinets and data center DC plants. Active PFC delivers near-unity power factor with low THD, while digital control and CAN/RS485 monitoring enable intelligent rectifier management, module sleep for part-load efficiency and N+1 redundancy inside the host power system.
BS Comtec stocks ESR-48/30DD modules for system expansion and replacement — genuine modules, worldwide delivery, request a quote.
Key Features
- Output Current: 30 A
- Nominal Voltage: -48 VDC (42-58 VDC adjustable)
- Input Voltage Range: 90-300 VAC class wide input
- Features: Hot-swap, active PFC, digital control
- Special Function: ESR 48V power systems
Specifications
| Parameter | Value |
|---|---|
| Nominal Voltage | -48 VDC (42-58 VDC adjustable) |
| Output Current | 30 A |
| Input Voltage Range | 90-300 VAC class wide input |
| Features | Hot-swap, active PFC, digital control |
| Special Function | ESR 48V power systems |
Key Features of ESR-48/30DD Rectifier Module
ESR-48/30DD Rectifier Module belongs to the high-efficiency rectifier module family that converts AC mains into a stable 48 V DC output. Modules of this class commonly support hot-swap installation, wide AC input windows and monitoring via system controllers.
Typical Applications of ESR-48/30DD Rectifier Module
Rectifier modules of this type are widely used in telecom power systems, data center DC plants and industrial power cabinets, usually alongside batteries for backup.
Selecting ESR-48/30DD Rectifier Module with BS Comtec
BS Comtec supplies rectifier modules from Eltek, Huawei, Vertiv and other brands with global delivery. Tell us your DC load and shelf or system type, and we will match compatible modules.
Frequently Asked Questions
How do I select ESR-48/30DD Rectifier Module for my power system?
Check output voltage, module power rating, efficiency class and compatibility with your existing rectifier shelf or controller. BS Comtec can verify fitment and propose the right quantity.
Is ESR-48/30DD Rectifier Module compatible with my existing system?
Compatibility depends on the rectifier shelf, controller and communication protocol. Send your current system model to BS Comtec and we will confirm which modules fit.
How is ESR-48/30DD Rectifier Module delivered?
Modules are packed in anti-static, export-standard cartons and shipped worldwide. Delivery time depends on stock and destination — contact BS Comtec for current lead times.
What warranty applies to ESR-48/30DD Rectifier Module?
Warranty follows the manufacturer’s policy for the specific module. BS Comtec supports testing guidance, replacement requests and RMA coordination per the terms of your order.
Where is ESR-48/30DD Rectifier Module typically used?
It is typically used in telecom base stations, central offices, data center power rooms and industrial sites requiring reliable 48 V DC conversion.
What are the key specifications of ESR-48/30DD?
ESR-48/30DD key specs: -48 VDC (42-58 VDC adjustable); 30 A. Full datasheet and test report available from BS Comtec on request.
Does BS Comtec supply ESR-48/30DD?
Yes. BS Comtec supplies ESR-48/30DD (Delta line) from Singapore stock, MOQ from 1 piece; in-stock items dispatch within 24-48 hours with worldwide shipping.
Is there a cross-reference or equivalent for ESR-48/30DD?
BS Comtec maintains a cross-reference chart covering Huawei, Vertiv (Emerson), Eltek, ZTE and Delta 48V modules. Contact us for the direct equivalent of ESR-48/30DD.
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