Newest Products
Mean Well DC-DC Converters RSDH-300 Series Supplier
SCB Industries is a reliable Mean Well DC-DC Converters RSDH-300 Series Supplier, delivering genuine and high-performance power solutions to industries across Kolkata, West Bengal, Odisha, Bihar, Chhattisgarh, Assam, Gujarat, Pune, and Vapi. We ensure consistent availability, competitive pricing, and expert technical support for all Mean Well RSDH-300 Series requirements.
Description
RSDH-300 series is a 250 ~ 1500Vdc ultra-high input enclosed type DC-DC converter which can supply stable working voltage for the load. Main features are as following: -40~+80° C wide range operating temperature, 4KVac high isolation voltage, operation at 5000m altitude, high efficiency, low ripple & noise, complete protections and so on.
RSDH-300 is compliant with UL1741 and BS EN/EN-61000-6-2 standard regarding immunity for industrial environments. It is suitable for industrial automation, surveillance, telecommunication and can be widely deployed in the applications of new energy generation such as solar power, and windmill power generation, for instances, photovoltaic power systems, high voltage inverting , DC bus centralized application, ESS, charging pile, railway and so forth.
Features
- 250~ 1500Vdc 6:1 ultra-wide input range
- Withstand 1700Vdc surge input for 10 seconds
- 4KVac I/O high isolation(Reinforced isolation)
- Protections: Short circuit / Overload / Over voltage / Over temperature ·Industrial control system DC input under voltage / DC input reverse polarity
- Fanless design, half encapsulated, cooling by free air convection
- -40~+80°C ultra-wide operating temperature (＞+55°C derating)
- Over voltage categoryⅡ
- Operating altitude up to 5000 meters
- DC output voltage adjustable(12~15V, 24~29V, 30~36V, 48~58V)
- 1U low profile 41mm
- Half encapsulated
- 3 years warranty
Application
- Photovoltaic power generation
- Renewable Energy System
- High voltage freqency conversion
- Industrial control system
- Semiconductor fabrication equipment
- Electro-mechanical apparatus
- DC bus centralized application
- Energy storage system(ESS)
- Charging pile
- Third rail
Product introduction
The Mean Well RSDH-300 series are ultra-high-input, single-output DC-DC converters that take very high DC voltages (250–1500 Vdc) and deliver a stable low-voltage rail up to 300 W. Built for harsh industrial and renewable environments, the RSDH-300 family provides reinforced isolation, wide temperature tolerance and compact chassis-mount packaging — ideal where PV strings, battery stacks or HV feeders must power local electronics without bulky front-end equipment.
Key benefits — why projects use RSDH-300
- Ultra-wide input range (250–1500 Vdc)— connects directly to high-voltage sources such as PV string outputs or battery stacks.
- High power (300 W)in a compact, fan-less chassis — supports demanding local loads (control, telemetry, cameras, edge compute).
- Reinforced isolation (4 kV AC)between input and output for safe installations and regulatory compliance.
- Wide operating temperature (−40 °C to +80 °C)and altitude capability (up to 5000 m) — reliable in outdoor and high-altitude sites.
- Fanless convection coolingand high efficiency (~88% typical) reduce maintenance and heat management needs.
More product details & protections
- Protections:integrated short-circuit, overload, over-voltage and over-temperature protections, plus DC input under-voltage and reverse polarity resilience (see datasheet for trip points).
- Surge handling:designed to withstand short surge inputs (manufacturer lists 1700 Vdc surge test capability for RSDH series).
- Standards & EMC:designs reference IEC/EN safety and EMC standards (EN62109-1 design, EN55032 / CISPR32 EMI class compliance noted in product docs).
- Mechanical:screw-terminal, chassis-mount form factor for easy installation in cabinets and enclosures.
Technical chart
Parameter | Typical value / notes |
Input voltage range | 250 – 1500 Vdc. |
Power rating | 300 W. |
Outputs available | 12 V, 24 V, 32 V, 48 V variants. |
Output currents (max) | RSDH-300-12: 20 A · RSDH-300-24: 12.5 A · RSDH-300-32: 9.37 A · RSDH-300-48: 6.25 A. |
Isolation | 4 kV AC (I/O) reinforced isolation. |
Efficiency | ~88% (model/load dependent). |
Operating temp. | −40 °C to +80 °C (full-load derating above ~+55 °C). |
Dimensions | 237 × 100 × 41 mm (L × W × H). |
Cooling | Fanless — convection. |
For full electrical characteristics (line/load regulation, ripple, start-up behavior and exact protection thresholds) refer to the official datasheet.
RSDH-300 variants we supply — differences explained
We supply the four RSDH-300 output variants commonly used across industrial and renewable projects:
- Mean Well DC-DC Converters RSDH-300-12— 12 V / 20 A (suitable for 12 V control equipment, local controllers and low-voltage loads).
- Mean Well DC-DC Converters RSDH-300-24— 24 V / 12.5 A (the most common industrial control rail).
- Mean Well DC-DC Converters RSDH-300-32— 32 V / 9.37 A (used where slightly higher bus voltage improves distribution efficiency).
- Mean Well DC-DC Converters RSDH-300-48— 48 V / 6.25 A (popular for telecom/remote power and long-distance low-loss distribution).
What’s different? Mechanically and in input capability the units are the same; the only practical difference is nominal output voltage and the corresponding maximum output current (all aimed at ~300 W output). Pick the model that matches your system rail and required current headroom.
Affordable RSDH-300 solutions in your region (Kolkata → Vapi)
SCB Industries offers regionally optimized options to make the RSDH-300 cost-effective for local projects:
- Stocked SKUsin our regional warehouses — reduces freight & lead time for urgent site installs across Kolkata, West Bengal, Odisha, Bihar, Chhattisgarh, Assam, Gujarat, Pune & Vapi.
- Project bundle pricingfor multiple units (site fleets for solar string electronics / telemetry).
- Local technical supportto reduce commissioning time and avoid costly rework (correct fuse sizing, DC wiring, earthing and derating advice).
- Warranty & spares program— predictable life-cycle costs and quick replacement for supported projects.
Common applications
- PV string / battery-stack powered telemetry and string electronics.
- Remote security & surveillance power supplies fed from HV feeders.
- Local PLC/RTU/edge compute power in substations or transformer huts.
- Telecom shelters, SCADA nodes and other distributed power applications where HV-to-LV conversion near the source reduces cabling costs.
Top reasons to buy RSDH-300 from SCB Industries
- Genuine Mean Well products— we supply factory-sourced RSDH-300 units with datasheets and compliance documents.
- Regional availability & fast deliveryacross all listed states and industrial hubs to meet tight project schedules.
- Application engineering support— help choosing the right variant (12/24/32/48 V), derating for temperature/altitude, and specifying protection & installation hardware.
- Competitive pricing & project discountsfor multi-unit deployments and long-term supply agreements.
- After-sales & warranty coordination— SCB Industries handles RMA/warranty administration and can provide spares to minimize downtime.
- Documentation for audits— we provide datasheets, test certificates and compliance docs needed for project approvals.
