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SDJ-60S12
SMUN
The 60V to 12V series non-isolated waterproof DC-DC converter is engineered to deliver a highly regulated 12 VDC output from a nominal 60 VDC input. Designed specifically for negative ground systems, this advanced step-down driver offers an exceptional balance of high efficiency, compact design, and rugged durability. Whether you are upgrading industrial automation equipment or integrating reliable power solutions into heavy-duty vehicles, this converter ensures optimal performance under demanding conditions. By utilizing advanced switch-mode technology, it minimizes energy loss and heat generation, making it an ideal choice for procurement professionals seeking long-term reliability and reduced maintenance costs.
Every unit is built to strict standards to ensure stability and safety in real-world applications. The core advantages include:
High Conversion Efficiency: Achieving up to 95.40% efficiency (depending on the model), this converter significantly reduces thermal dissipation, ensuring stable continuous operation without the need for bulky external cooling mechanisms.
Premium Internal Components: Equipped with industry-leading NCC and NICHICON capacitors, the internal circuitry is built for high reliability and an extended operational lifespan, effectively lowering the risk of premature failure in critical applications.
IP68 Waterproof & Rugged Design: Fully encapsulated to meet IP68 waterproof levels, the device is heavily protected against water ingress, dust, and intense vibrations, making it perfectly suited for harsh outdoor or industrial environments.
Comprehensive Protection Mechanisms: Built-in safeguards automatically shield both the converter and your connected equipment. Essential protections include short-circuit, overload, overcurrent, overvoltage, and over-temperature defenses.
Strict Quality Control: Designed to meet ROHS and CE standards, every single unit undergoes a rigorous 100% full load burn-in test before shipment to guarantee consistent, out-of-the-box reliability.
This versatile voltage step-down converter provides reliable power reduction for a wide array of demanding sectors. It is highly recommended for:
Industrial Electromotors: Ensuring a stable and continuous 12V supply for motor control systems and automated machinery.
Telecommunications: Powering remote communication base stations, networking equipment, and monitoring devices reliably.
Heavy-Duty Vehicles: Ideal for logging vehicles, electric forklifts, golf carts, and other specialized transport requiring efficient 60V to 12V power conversion.
Below is the detailed parameter comparison for the 5A, 10A, 15A, and 20A models. Please select the appropriate rated power and output current based on your specific project requirements to ensure optimal system compatibility.
| Model No. | Input voltage | Output voltage | Output current | Rated power | Efficiency | Size |
| SDJ-60S1205 | 51-73VDC | 12VDC | 5 Amps | 60W | 93% | 74*74*32mm |
| SDJ-60S1210 | 51-73VDC | 12VDC | 10 Amps | 120W | 92% | 74*74*32mm |
| SDJ-60S1215 | 30-75VDC | 12VDC | 15 Amps | 180W | 95% | 74*74*32mm |
| SDJ-60S1220 | 30-75VDC | 12VDC | 20 Amps | 240W | 95.40% | 74*74*32mm |
