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Brand: AEG Power Solutions
AEG Protect RCS SPRe/TPRe Rectifier and Battery Charger
Description
A thyristor-controlled DC system for batteries and DC loads
The AEG Protect RCS SPRe/TPRe is a floor-mounted, thyristor-controlled industrial rectifier and battery charger. AEG Power Solutions describes it as a DC system that charges nickel-cadmium or lead-acid batteries while supplying DC loads, and it can also run as a direct DC power supply without a battery. SPRe is the single-phase version and TPRe is the three-phase version.
The rectifier is built from independent building blocks, so distribution boards, diode droppers and other items can be fitted inside the cabinet or in a separate one. The datasheet lists typical use in power generation, transmission and distribution, oil and gas, petrochemical and chemical plants, heavy industry, mining and transportation signalling. Built-in battery management includes temperature-compensated charge voltage regulation and manual or automatic high-rate charge.
Technical specifications
| Parameter | Specification |
|---|---|
| Series / versions | Protect RCS SPRe (single phase) and TPRe (three phase) |
| Input voltage | SPRe 220/230/240 V +/-10 %; TPRe 380/400/415 V +/-10 % (+15 % / -20 % functional) |
| Frequency | 50 Hz or 60 Hz, +/-6 % |
| Input power factor | About 0.67 (SPRe); about 0.81 (TPRe) |
| Output voltage (UDC) | 24, 48, 60, 110, 125 and 220 VDC |
| Output current range | 25 A to 1,200 A, depending on voltage and phase version |
| Float / high-rate / commissioning charge | 75-125 % / 75-135 % / 75-140 % of nominal UDC |
| Static voltage regulation | +/-0.5 % at float voltage |
| DC ripple | Below 2 % rms with battery connected; 2.5 % rms typical (max 5 %) without battery |
| Charging characteristic | Constant current / constant voltage (I/U) during float charge |
| Insulation / isolation | Over 200 MOhm at 500 VDC; 2,500 V AC input/output to earth |
| Degree of protection | IP21 (IEC 60529); options up to IP54 |
| Colour | RAL 7035, powder coated |
| Operating temperature | -10 to +40 C; derating 1.25 % per C between 40 and 55 C |
| Altitude | 0-1,000 m; derate 1 % per 100 m up to 4,000 m |
| Standards | IEC/EN 60529, IEC 60146-1-1, IEC/EN 61000-6-2/-4, IEC/EN 62040-5-3; CE; NFC58-311 for gas-recombination batteries |
Standard system and option list
The standard system has a 6-pulse rectifier bridge with input isolation transformer, an internal input switch, a digital control card, a blocking diode, a multi-function LCD with two status LEDs, tropicalised control boards and low-smoke halogen-free wiring. Cooling is natural up to 50 A. The cabinet has a 180 degree door with a three-point key lock and bottom cable entry.
AEG Power Solutions lists a wide option range: parallel redundant operation with load sharing, special mains voltages from 180 to 690 V, 12-pulse rectification, 1 % and 0.1 % ripple filters, battery and load protection, diode droppers, DC distribution, automatic transfer and changeover systems, relay cards, additional meters, battery cell and ground fault alarms, and a protection system to limit hydrogen emission. Communication options include RS232/RS485 Modbus, TCP/IP and protocol converters for Profibus DP, DNP3 and IEC 61850.
Selecting a rating and what to confirm before ordering
The ratings table spans single-phase and three-phase versions across 24, 48/60, 110/125 and 220 VDC, with single-phase output up to 100 A and three-phase up to 1,200 A. Dimensions and weight are given only as “according to range” in this datasheet, so confirm them against the quotation drawing.
Before ordering, confirm the battery type (NiCd, lead-acid or gas-recombination), the DC voltage, the load and charge current, the mains voltage and frequency, the required IP degree, the alarm and communication options, and the site temperature and altitude for derating. For substations a dedicated T and D version of the TPRe also exists, which is covered by its own AEG datasheet.
Documents and quotation
The manufacturer document for the Protect RCS SPRe/TPRe is listed under Documents on this page: AEG Protect RCS SPRe/TPRe datasheet (EN, 07/2024 V4). Browse related items in UPS and Batteries. For price, availability and lead time, send an RFQ with the exact part number, quantity and project details; Seven Star LLC is an independent supplier based in Muscat and confirms stock and delivery on quotation.
Datasheets & Documents
- Datasheet AEG Protect RCS SPRe/TPRe datasheet (EN, 07/2024 V4) Download
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About brand
AEG Power Solutions makes industrial power electronics: rectifiers and battery chargers for DC systems, and industrial UPS systems for critical AC loads. The company, AEG Power Solutions B.V., is based in Zwanenburg, the Netherlands, and its governance page names 3W Power S.A. as its holding company. Seven Star LLC sources and supplies AEG Power Solutions products for sites in Oman, as listed on this page.\n\n
AEG Power Solutions rectifiers and battery chargers
\n\nThe Protect RCS family covers thyristor-controlled rectifiers and chargers for nickel-cadmium and lead-acid batteries, a compact single-phase model, a version optimised for transmission and distribution, and modular switch-mode MIPe systems with hot-swappable modules. These are used for substation, plant control and switchgear DC supplies.\n\n
AEG Power Solutions industrial UPS
\n\nThe Protect 8 and Protect 5C series are industrial double-conversion UPS units from 10 kVA upwards for process industries, and the Protect D range covers smaller single-phase UPS for racks and edge sites. AEG datasheets state that AEG is a trademark used under licence from AB Electrolux, and AEG Power Solutions is a separate company from AEG household appliances.
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Frequently Asked Questions
A thyristor-controlled industrial rectifier and battery charger from AEG Power Solutions. SPRe is single phase and TPRe is three phase.
The datasheet lists nickel-cadmium and lead-acid batteries, and states compatibility with all industrial battery types including gas recombination.
24, 48, 60, 110, 125 and 220 VDC, with output current from 25 A up to 1,200 A depending on the version.
Yes. AEG Power Solutions states that it can also be used without batteries as a direct power supply.
IP21 as standard to IEC 60529, with IP54 available as an option.

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