Delta · Power Systems & Batteries
Delta EnergE DPR rectifier modules
Delta Electronics builds the EnergE rectifier line that appears in telecom power systems either under Delta's own brand or, since Delta's acquisition of Eltek, alongside Eltek Flatpack modules in the same shelf. Buyers usually need a DPR module matched by wattage and input phase to top up a shelf or replace a failed one, sometimes without being certain which of Delta's several wattage steps they actually have installed. This page lists the DPR modules from the compact single-phase units through the 10kW three-phase class.
How to read these part numbers
DPR model numbers give the wattage directly — DPR 6000B-48 is a 6000W, 48V module — and the letter after the wattage marks the efficiency generation: B modules run at about 95–97%, E modules at 98%. Single-phase input covers the 850W to 4500W modules; the 6000W and 10000W modules take three-phase input, and the DPR 6000B comes in a 380–480VAC version (ID:A1, 241246.950.VC) and a 208–240VAC version (ID:B1, 241246.960.VC). Delta ordering codes such as ESR-48/56C F-A identify the exact hardware revision; ID:A1, ID:B1 and similar labels are variant identifiers.
Catalogue
Equipment reference
| Part Number | Model / Designation | Compatibility | Band / Interface | Condition | Lead Time | Quote |
|---|---|---|---|---|---|---|
| 241246.950.VC | DPR 6000B-48 rectifier module, ID:A1 | Delta EnergE series; up to 24kW per 2U shelf | 48V (42–58V), 6000W, 125A, 96%, 380–480VAC three-phase (250–530VAC range), 129.5×83×380.7mm, 5.2kg | On enquiry | On enquiry | |
| 241246.960.VC | DPR 6000B-48 rectifier module, ID:B1 | Delta EnergE series | 48V, 6000W, 125A, 95.7%, 208–240VAC three-phase low-voltage input (165–290VAC range) | On enquiry | On enquiry | |
| DPR 10000B rectifier module | Delta EnergE series | 53.5V (43–58V), 10kW, 210A, 95.8% at 480VAC, 220/380/400/480VAC three-phase, 210×83×435mm, 9.3kg | On enquiry | On enquiry | ||
| DPR 2000B-48 rectifier module | Delta EnergE series | 54V, 2000W, 37A, 96.0%, 80–300VAC, 1.04kg | On enquiry | On enquiry | ||
| DPR 3000B-48 rectifier module | Delta EnergE series; 1U shelf, 19-inch holds 5 (15kW), 23-inch holds 6 (18kW) | 54V, 3000W, 56.25A, 96.2%, 90–310VAC, 84×41×265mm, 1.3kg | On enquiry | On enquiry | ||
| DPR 3000E-48 rectifier module | Delta EnergE series; same 1U shelves as DPR 3000B | 48V, 3000W, 63.5A, 98.0%, 80–300VAC, 1.4kg | On enquiry | On enquiry | ||
| DPR 4000B-48 rectifier module | Delta EnergE series; CAN bus | 53.5V, 4000W, 85A, 80–305VAC, 2U, 82×86.9×377.9mm, 3.5kg | On enquiry | On enquiry | ||
| DPR 4000E-48 rectifier module | Delta EnergE series | 48V, 4000W, 98% efficiency | On enquiry | On enquiry | ||
| DPR 4500B rectifier module | Delta EnergE series | 48V, 4500W, 97% efficiency | On enquiry | On enquiry | ||
| DPR 850B-48 rectifier module | Delta EnergE series | 53.5V, 850W, 17.7A, 95.2%, 80–300VAC, 0.6kg | On enquiry | On enquiry | ||
| ESR-48/56C F-A | DPR 2900B-48 rectifier module | Delta EnergE series; CAN bus, ORION controller | 54V (40–58V), 2900W, 56.25A, 96.4%, 80–310VAC, 125.5×41×269.9mm, 1.95kg | On enquiry | On enquiry | |
| ORION system controller (ID:E1 Touch, ID:F1) | Delta DC power systems; second CAN port runs Eltek modules | Touch screen, Gigabit Ethernet, SNMP / Modbus / MQTT | On enquiry | On enquiry |
Cannot find a part number? Send us the number and we will identify and price it.
Ordering notes
State the exact DPR wattage and whether your installation is single- or three-phase, plus the shelf model it goes into — Delta's connector and mechanical envelope has changed across EnergE generations. Condition is stated per quotation — new, new-surplus or refurbished — and where a destination does not admit used network equipment (Algeria is the usual example) we quote new. Hardware only: software licensing remains between the buyer and the manufacturer. Destination type approval and import permits (CST/SABER, TDRA, ICASA, CA, CMC, ARPCE) are the buyer's responsibility and we will say so on the quotation.
Lifecycle and availability
The EnergE series is Delta's current rectifier generation and is sourced new in most wattages; the DPR 2900B replaced the DPR 2700, and the 98% DPR 3000E and 4000E are the newer versions of the 3000B and 4000B. Delta acquired Eltek in 2015 and the two ranges now share some manufacturing, documentation and distribution — the ORION controller runs Eltek modules on its second CAN port. See our Eltek page for the Flatpack family.
Equipment condition
New — factory-sealed, supplied through the manufacturer's own channel or a qualified distributor, with full manufacturer warranty.
New surplus — unused factory stock, original packaging where available, sourced from decommissioned projects or distributor inventory. Manufacturer warranty may have lapsed; CRS PLUS warranty applies.
Refurbished / tested — previously deployed equipment, cleaned, firmware-checked and functionally tested against the manufacturer's specification before shipment. CRS PLUS warranty applies.
Condition is confirmed in writing on every quotation before you commit to an order.
Warranty
Warranty terms vary by item, by condition and by the supplier the equipment is sourced from. They are stated in writing on the quotation, per line item, before you commit to an order.
Where equipment is supplied new through the manufacturer's own channel, the manufacturer's warranty applies and is passed to you.
Send us the part numbers you need and we will confirm warranty terms alongside availability, condition, lead time and price.
Questions
Frequently asked questions
What does the EnergE name mean on a Delta rectifier?
EnergE is Delta's branding for its current-generation high-efficiency rectifier family, covering the DPR modules from 850W to 10,000W. It replaced several older Delta rectifier lines.
Can a Delta DPR module go into an Eltek Flatpack shelf, or vice versa?
Not usually without confirming the shelf's connector and control-bus compatibility — Delta and Eltek are now the same company but the product lines were not designed to be interchangeable. Tell us your shelf model and we will confirm fit before quoting.
Do you supply Delta rectifiers for non-telecom sites?
Yes. DC power systems using these modules are common in oil and gas, industrial and utility sites as well as telecom, and we quote the same modules for any of them.
Related pages
Manufacturer names, product names and part numbers are the property of their respective owners and are used here for identification purposes only. CRS PLUS sources these products through its qualified supplier base and holds no distributor, reseller or agency appointment from any manufacturer listed.
This catalogue is compiled from our supplier network's available inventory and from manufacturer product documentation, and is reviewed monthly. Listing does not indicate stock held by CRS PLUS — availability, condition and lead time are confirmed per enquiry. Last reviewed: 22 August 2026.
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