Key Features
- Flameproof enclosure certified Ex d IIB T4 for hazardous areas
- High ingress protection rating of IP66 against water and dust
- Corrosion-resistant marine-grade construction for long service life
- Multiple outgoing circuits with protective devices for safe distribution
- Suitable for AC 220V/380V, 50/60Hz power systems
- Wall-mountable design with pre-drilled mounting holes for easy installation
- Wide range of cable entries to accommodate various cable sizes
- Operating temperature range of -20°C to +55°C for extreme environments
Technical Specifications
| Rated Voltage | 220V AC / 380V AC, 50/60Hz |
|---|---|
| Rated Current | 16A – 63A |
| Explosion-proof Rating | Ex d IIB T4 Gb |
| Ingress Protection | IP66 |
| Enclosure Material | Powder-coated marine-grade steel (optional stainless steel) |
| Number of Circuits | 4, 6, or 8 outgoing circuits (configurable) |
| Protective Devices | MCB, RCBO, or fuse (optional) |
| Cable Entries | 2 x M25 (top/bottom) + 2 x M20 (optional) |
| Mounting | Wall-mounting / bracket |
| Operating Temperature | -20°C to +55°C |
| Dimensions (L×W×H) | 300 × 250 × 150 mm |
| Weight | Approx. 8 kg |
| Standards | IEC 60079, EN 60079, ATEX |
Frequently Asked Questions
What is an explosion-proof lighting distribution box?
It is a specially designed electrical enclosure that distributes power to lighting circuits in hazardous areas where explosive gases or dust may be present. It prevents internal explosions from igniting the surrounding atmosphere.
What are the typical applications?
Offshore rigs, oil tankers, chemical carriers, LNG carriers, and other marine vessels where explosive atmospheres are a risk.
What is the explosion-proof rating?
Typically rated Ex d IIB T4, meaning flameproof enclosure for gas groups IIA and IIB, temperature class T4 (max surface temperature 135°C). The unit also has IP66 ingress protection.
Can it be used in both AC and DC systems?
It is designed for AC systems (e.g., 220V/380V), but models may be available for DC. Check specifications.
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