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Mean Well DC-DC Converters RSD-300 Series Supplier
SCB Industries is one of the trusted suppliers of Mean Well DC-DC Converters RSD-300 Series across Kolkata, West Bengal, Odisha, Bihar, Chhattisgarh, Assam, Gujarat, Pune, and Vapi. We deliver genuine, high-efficiency, railway-standard DC-DC converters designed for harsh industrial, transportation, and automation environments.
Introduction to Our Product – Mean Well RSD-300 Series
The RSD-300 Series from Mean Well is a high-performance family of 300W railway-approved DC-DC converters designed to deliver stable, isolated and reliable power in demanding environments. Built with premium components, reinforced isolation, and a wide input voltage range, these converters ensure uninterrupted power even under shock, vibration, or extreme temperature fluctuations. Whether you’re powering control circuits in locomotives, communication systems, industrial machinery, or battery-based equipment, the RSD-300 Series is engineered to deliver long-term reliability.
Features
- Compliance to BS EN/EN50155 and BS EN/EN45545-2 railway standard
- 2:1 wide input range
- Protections: Short circuit / Overload / Over voltage / Over temperature / Input reverse polarity
- 4000VDC I/O isolation
- Cooling by free air convection
- Half encapsulated
- Built-in constant current limiting circuit
- 1U low profile 40mm
- All using 105℃ long life electrolytic capacitors
- LED indicator for power on
- 100% full load burn-in test
- 3 years warranty
Core Specifications of RSD-300 Series
- Power Rating:300W
- Input Range:4:1 ultra-wide DC input
- Operating Temperature:–40°C to +85°C (with derating)
- Isolation: Reinforced 3,000VDC isolation
- Protections: OVP, OCP, SCP, OTP
- Cooling: Built-in active cooling/conduction cooling (model-wise)
- Standards:EN50155, EN61373, EN45545-2 railway approvals
- Efficiency: Up to 91% depending on model
Performance Advantages
Choosing the RSD-300 Series gives industries long-term performance and efficiency advantages:
- High Reliability in Extreme Conditions
Engineered for railway and heavy-duty industrial environments with high shock, vibration resistance, and thermal durability.
- Ultra-Wide Input Range – Perfect for Railway Systems
4:1 input range makes it ideal for fluctuating DC sources in rolling stock, battery systems and automation panels.
- Excellent Protection Features
Full protection against overload, short-circuit, over-voltage, and over-temperature ensures system longevity.
- High Efficiency = Reduced Heat & Longer Component Life
Lower power loss improves system energy performance.
- Compact Design for Space-Critical Installations
Small size with high power density ideal for modern industrial control cabinets.
More Details About This Product
The RSD-300 Series is built to support a wide range of application needs including:
- Railway control systems
- Signaling equipment
- Industrial automation machines
- Battery-powered equipment
- Communication systems
- Surveillance & monitoring systems
- Power distribution units
The series supports remote ON/OFF control, output voltage trimming, and features a rugged metal enclosure, making installation easier even in challenging environments.
Types of Mean Well DC-DC Converters RSD-300 Series
RSD-300B
Designed for systems requiring 12V output with high stability and lower ripple noise. Ideal for battery and communication equipment.
RSD-300C
Perfect for 24V output applications. Widely used in industrial control systems, PLC control, and automation panels.
RSD-300D
Provides 48V output suitable for telecom, networking and high-power control circuits.
RSD-300E
Extended models with specific voltage configurations and enhanced performance for mission-critical environments.
RSD-300F
Advanced version designed for equipment requiring specialized voltage combinations, higher reliability, and enhanced thermal performance.
Technical Chart
Parameter | Details |
Power Output | 300W |
Input Voltage Range | 9–36VDC / 18–75VDC / 43–160VDC (model-based) |
Output Voltages | 12V / 24V / 48V (depending on model B, C, D, E, F) |
Efficiency | Up to 91% |
Isolation Voltage | 3000VDC |
Cooling | Convection / Forced (model-wise) |
Protection | SCP / OVP / OCP / OTP |
Standards | EN50155, EN45545-2, EN61373 |
How We Ensure Customer Satisfaction – SCB Industries
At SCB Industries, customer satisfaction isn’t just a promise—it’s a process.
We ensure this through:
- 100% Genuine Mean Well Products
We supply only original and certified Mean Well DC-DC converters.
- Expert Technical Guidance
Our team helps you select the perfect model for your application.
- Fast Delivery Across All Locations
Serving Kolkata, West Bengal, Odisha, Bihar, Chhattisgarh, Assam, Gujarat, Pune & Vapi with ready stock.
- After-Sales Support
Prompt assistance for installation, maintenance, and troubleshooting.
- Bulk Order & Project Supply Support
We cater to industries, OEMs, railway contractors, automation teams and system integrators.
Affordable DC-DC Converter Solutions Without Compromising Quality
SCB Industries offers the RSD-300 Series at highly competitive pricing while ensuring original, high-performance units.
You get:
- Premium quality
- Reliable performance
- Long life
- Best pricing
- Dedicated support
This combination makes us one of the most trusted suppliers of Mean Well DC-DC Converters in Eastern & Western India.
How RSD-300 Series Solves Your Needs
The RSD-300 Series is the ideal solution when your system demands:
- Stable DC power in railway/industrial environments
- High isolation for safety
- Wide input tolerance
- Long-term reliability
- High power output in compact size
- Protection against harsh electrical conditions




