LOF (120-750W) – 120-750W AC-DC On-board Converter
AC-DC On-board Converter series, 7 Models. 4000VAC isolation voltage. CE certified, CB certified, UL certified, CQC certified, RoHS certified, REACH certified.
Key Features
- High power on-board converter
- 120-750W output power
- 4000VAC isolation voltage
- Forced air cooling support
- Operating temperature -40°C to +70°C
- Meet IEC/EN/UL62368 standards
LOF (120-750W) Model Specifications
| Model | Power | Input | Output | Current | Efficiency | Isolation |
|---|---|---|---|---|---|---|
| LOF120-20B12 | 114W | 85-264 VAC / 120-370 VDC | 12 VDC | 9.5A | 94% | 4000VAC |
| LOF225-20B12 | 225W | 85-264 VAC / 120-370 VDC | 12 VDC | 18.75A | 93% | 4000VAC |
| LOF225-23B12R2 | 225W | 85-277 VAC / 120-390 VDC | 12 VDC | 16.67A | 94% | 4000VAC |
| LOF350-20B18 | 324W | 90-264 VAC / 127-370 VDC | 18 VDC | 18A | 92.5% | 4000VAC |
| LOF450-20B18 | 399.6W | 90-264 VAC / 127-370 VDC | 18 VDC | 22.2A | 92.5% | 4000VAC |
| LOF550-20B12 | 499.2W | 90-264 VAC / 127-370 VDC | 12 VDC | 41.6A | 91% | 4000VAC |
| LOF750-20B12 | 699.6W | 90-264 VAC / 127-370 VDC | 12 VDC | 58.3A | 92% | 4000VAC |
Applications
- Embedded systems and IoT devices
- Smart home and building controllers
- Metering and monitoring equipment
- Low-power standby power supplies
Product Overview
The LOF (120-750W) is a professional-grade ac-dc on-board converter designed for demanding industrial environments. With a power range of 120-750W, this series offers 7 models with various output voltages to meet diverse application requirements. Key advantages include 4000vac isolation voltage, making it suitable for industrial automation, control systems, and embedded applications. All models are ce certified, cb certified, ul certified, cqc certified, rohs certified, reach certified certified, ensuring compliance with international safety and EMC standards. ModulesLink manufactures each unit under strict quality control with 100% load testing and burn-in procedures.
Technical Details
The LOF series features ac-dc on-board converter architecture with input range of 85-264 VAC / 120-370 VDC / 85-277 VAC / 120-390 VDC / 90-264 VAC / 127-370 VDC, providing output options of 12 VDC, 18 VDC at up to 94% efficiency. The robust design incorporates comprehensive protection circuits including overcurrent protection (OCP), overvoltage protection (OVP), overtemperature protection (OTP), and short-circuit protection. The high isolation voltage ensures safe operation in noisy industrial environments, while the wide operating temperature range guarantees reliable performance in harsh conditions. Each model undergoes 100% electrical testing and aging tests before shipment.
Quality & Reliability
ModulesLink implements a rigorous quality management system certified to ISO 9001 standards. The LOF series carries CE certified, CB certified, UL certified, CQC certified, RoHS certified, REACH certified certifications, demonstrating compliance with IEC/EN/UL safety standards and RoHS/REACH environmental regulations. Every power supply is subjected to 100% load testing, hi-pot testing, and thermal cycling before leaving the factory. The mean time between failures (MTBF) exceeds 500,000 hours under nominal conditions at 25°C ambient temperature. ModulesLink offers a 3-year warranty on all industrial-grade power supplies, reflecting confidence in product reliability.
Ordering Information
To order LOF (120-750W) models, select the appropriate output voltage and power rating from the model list above. Each model number follows a standardized naming convention indicating output parameters. For OEM/ODM inquiries, custom output voltages, modified mechanical dimensions, or special input ranges can be accommodated with minimum order quantities (MOQ). Contact ModulesLink sales team through the Request Quote button for pricing, lead time, and technical support. Samples are available for qualified customers to evaluate before volume orders.