Technical Data
1.Explosion-proof Type
- Standards Implemented:CNEx、IECEx、ATEX
- Applicable Hazardous Areas: Hazardous gas areas applicable: Zone 1, Zone 2，Not suitable for Zone 0；ⅡC. Suitable for the most hazardous explosive gas atmospheres including hydrogen, acetylene, with backward compatibility for IIB and IIA gas atmospheres；EPLGb. For Zone 1 / Zone 2 gas hazardous areas. This product is not applicable to dust hazardous areas 20/21/22.
- Ex Marking: Gas protection: Ex eb mb ⅡC Gb
2.Product Parameters
| TECHNICAL PARAMETER(ExLDRA□□En) | |||||||
| Input | Input Voltage Range | 100~277Vac;50Hz/60Hz | |||||
| Model | Terminal (0.35-0.75mm²) | ||||||
| 式Output Model | Terminal (0.35-0.75mm²) | ||||||
| Input Current | 0.25A Max@220Vac | ||||||
| Power Factor(Typ.) | >0.9,at80%~100%Load | ||||||
| (80%~100%Load) | <15%@100~277Vac | ||||||
| Rush (Max) | <30A @240Vac (Cold Start) | ||||||
| Leakage Current | <0.5mA @240Vac | ||||||
| Output | Output Voltage | 30~42VDC | |||||
| Current Accuracy | ±5% | ||||||
| Start-up Delay Time | <0.5s @220Vac | ||||||
| Start-up current Overshoot | Soft Start | ||||||
| Output Power (W) | 10W | 15W | 20W | 30W | 40W | 50W | |
| Output Constant Current (mA) |
250 | 350 | 500 | 750 | 1000 | 1250 | |
| Efficiency(230VAC input) | 82% | 83% | 84% | 85% | 87% | 89% | |
|
Protection |
Short-circuit Protection | Hiccup mode,SCP-Auto recovery | |||||
| No-load Protection | <50V max Auto recovery |
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| Over-temperature Protection | current drop,OTP-Auto
recovery |
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| Service Temperature | -40℃~+100℃ | ||||||
| Storage Environment | -30~+85℃,5~80%RH | ||||||
| Service Humidity | 20~80%RH | ||||||
|
Ex standard and EMC |
Ex Standards | IEC 60079-0:2017,IEC 60079-7:2017, IEC 60079-18:2017; EN IEC60079-0:2018,EN 60079-7:2015, EN IEC 60079-7:2015/A1:2018 EN 60079-18:2015,EN 60079-18:2015/A1:2017; GB/T 3836.1-2021,GB/T 3836.3-2021, GB/T 3836.9-2021. |
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3.Product Classification & Origin
HS Code: 8504401990
Country of Origin: China
4.Applicable Industries
- Applicable for：explosive gas hazardous areas in factories excluding underground mines, such as petroleum, chemical, coalchemical, pharmaceutical, oilgas extraction, port terminals and oilgas tank farms. It delivers reliable power for explosionproof LED luminaires.
- Practicality：Adopts compound explosionproof technology of encapsulation plus increased safety. Power range: 3.5W50W. Supports AC100277V AC input and DC1830V DC input, available in nondimmable and dimmable versions. Equipped with increasedsafety explosionproof terminals for simplified wiring and lower luminaire supporting cost. Operating temperature: 40℃~+100℃. Builtin shortcircuit, noload and overtemperature protection. MTBF＞385K hours, suitable for longterm continuous industrial operation.
- Safety：Explosionproof marking: Ex eb mb ⅡC Gb, EPLGb for Zone 1 and Zone 2 hazardous gas environments. Fully encapsulated PCBA isolates electronic components from explosive gas. Complete set of CNEx, IECEx, EUATEX explosionproof certifications. Terminal screw tightening torque: 23N·m to prevent sparking caused by vibration. Compliant with explosionproof clearance and creepage distance requirements, with qualified safety and EMC performance to secure electrical operation in flammablehazardous sites.
5. Credibility
This driver is fully certified with CNEx, IECEx and EUATEX, complying with domestic and international explosionproof and EMC standards. Featuring long service life, wide temperature range, multilevel protection and reliable potting isolation process, it comes in a complete range of models. Fullset technical documents are available, with support for completemachine evaluation and compliance design, suitable for explosionproof LED luminaires for Zone 1/2 hazardous locations worldwide.
6.FAQs
Q1: What hazardous locations are suitable for the ExLDRA series explosionproof driver power supply?
A1: It is applicable to hazardous environments of Zone 1 and Zone 2 with explosive gas in factories, including petroleum, chemical, coalchemical, pharmaceutical, oilgas extraction, port and dock, oilgas storage tank areas, except for underground mines. Its explosionproof marking is Ex eb mb ⅡC Gb, EPLGb. It can supply power for explosionproof LED luminaires.
Q2: What input specifications does the ExLDRA explosionproof driver power supply support, and what is its power coverage range?
A2: Two input versions are available: AC version AC100277V and DC version DC1830V. The output power ranges from 3.5W to 50W. It is offered in nondimmable and dimmable types to meet matching requirements of different explosionproof LED luminaires.
Q3: What are the installation requirements for wiring terminals of the ExLDRA explosionproof driver power supply?
A3: The power supply comes with etype explosionproof terminals. The tightening torque for terminal screws shall be 23N·m. Input and output wires shall be crimped with forktype preinsulated terminals before connection. Screws for unused terminal positions must also be tightened to avoid electric sparks caused by vibrationinduced loosening and eliminate explosionproof safety hazards.
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