Explosion-proof LED Driver
The ExLDRA Series explosion-proof driver power supplies are serialized patented products adopting encapsulation (type “m”) and increased safety (type “e”) explosion protection technologies. The PCBA assembly of the power supply complies with the encapsulation type (type “m”) explosion protection requirements, fully isolating electronic components from explosive atmospheres and ensuring safe and reliable performance.
Specifications
- Power : 3.5W-50W
- Service Temperature: -40~+100 ℃
- Explosion Mark: Ex mb IIC Gb
• Ex Marking： Ex eb mb Ⅱ C Gb, safe for hazardous gas environment
• Wide input voltage: 100-277VAC, 50/60Hz global universal
• High power factor PF>0.9, low THD<15%
• Two versions: Non-dimming (D0) / Dimmable (D1)
• Multiple power options from 3.5W to 50W
• Operating temperature: -40~+100℃
• MTBF >385,000 hours, long service life
• Short-circuit, over-load, over-temperature protection
• Lightning protection: DM 4KV, CM 6KV
Product Model List
| Model | RatedPower | Input Voltage | OutputVoltage | OutputCurrent | Efficiency | Dimming | Size (mm) |
| ExLDRA3.5D0Ed | 3.5W | DC24±6V | Input-3V | 100mA | 79% | No | 125×52.5×30 |
| ExLDRA7D0Ed | 7W | DC24±6V | Input-3V | 175mA | 81% | No | 125×52.5×30 |
| ExLDRA10D0Ed | 10W | DC24±6V | Input-3V | 250mA | 82% | No | 125×52.5×30 |
| ExLDRA15D0Ed | 15W | DC24±6V | Input-3V | 350mA | 83% | No | 125×52.5×30 |
| ExLDRA10D0En | 10W | AC/DC 100-277V | 30-42VDC | 250mA | 82% | No | 125×52.5×30 |
| ExLDRA20D0En | 20W | AC/DC 100-277V | 30-42VDC | 500mA | 85% | No | 125×52.5×30 |
| ExLDRA30D0En | 30W | AC/DC 100-277V | 30-42VDC | 700mA | 87% | No | 150×52.5×30 |
| ExLDRA40D0En | 40W | AC/DC 100-277V | 30-42VDC | 900mA | 88% | No | 150×52.5×30 |
| ExLDRA50D0En | 50W | AC/DC 100-277V | 30-42VDC | 1150mA | 89% | No | 150×52.5×30 |
| ExLDRA20D1En | 20W | AC/DC 100-277V | 30-42VDC | 500mA | 85% | 0-10V | 125×52.5×30 |
| ExLDRA30D1En | 30W | AC/DC 100-277V | 30-42VDC | 700mA | 87% | 0-10V | 150×52.5×30 |
| ExLDRA40D1En | 40W | AC/DC 100-277V | 30-42VDC | 900mA | 88% | 0-10V | 150×52.5×30 |
| ExLDRA50D1En | 50W | AC/DC 100-277V | 30-42VDC | 1150mA | 89% | 0-10V | 150×52.5×30 |
General Information
| Parameter | Specification | Parameter | Specification |
| Input Voltage Range | 100~277Vac; 50Hz/60Hz | Input Current | 0.25A Max@220Vac |
| Power Factor (Typ.) | >0.9, at 80%~100% Load | THD | <15%@100~277Vac |
| Inrush Current (Max) | <30A @240Vac (Cold Start) | Leakage Current | <0.5mA |
| Output Type | Constant Current | Current Accuracy | ±5% |
| Short-circuit Protection | Hiccup mode ,SCP-Auto recovery | Over-load Protection | Self-recovery |
| Over-temperature Protection | Current drop, OTP-Auto recovery | No-load Protection | ＜50V max(Typ) Auto recovery |
| Operating Temperature | -40~+100℃ | Storage Temperature | -20~+60℃ |
| Operating Humidity | 20~80%RH | Cooling Method | Natural convection |
| MTBF | >385K Hours, 80% Load | Life Time (Typ.) | >50000 Hours, at 30 |
Explosion-proof Standards & EMC
• IEC 60079-0:2017, IEC 60079-7:2017, IEC 60079-18:2017
• EN IEC60079-0:2018, EN 60079-7:2015, EN 60079-18:2015
• GB/T 3836.1-2021, GB/T 3836.3-2021, GB/T 3836.9-2021
• EMC: IEC55015, IEC61000-4-3, IEC61000-3-3
• Withstand Voltage: I/P–O/P 3.75KVac@60S
• Lightning Protection: DM 4KV, CM 6KV
Wiring Diagram
• Non-Dimming: AC Input L/N/G, DC Output LED+/LED-
• Dimming: AC Input L/N/G, DC Output LED+/LED-, Dimming DIM+/DIM-
• DC24V Version: DC Input, DC Output LED+/LED-
• Explosion-proof LED lamps and luminaires
• Chemical plant lighting
• Oil & gas industrial lighting
• Mining lighting
• Hazardous area warehouse lighting
• Petrochemical facility lighting
CNEx Certificate ： CNEx 24.2934U
IECEx Certificate ： IECEx CNEX 24.0031U
EU ATEX Certificate ： 2614 CNEX 24 ATEX 0033U