Explosion-proof Electrical Equipment Selection

Explosion-proof Electrical Equipment Selection

Protection Types Selection

1. Flameproof Type (d)

   • Suitable for Zone 1 areas
   • Enclosure can withstand internal explosion

2. Increased Safety Type (e)

   • Suitable for Zone 2 areas
   • Prevents dangerous temperature generation

3. Intrinsic Safety Type (i)

   • Suitable for Zone 0 areas
   • Limits energy to prevent ignition

Selection Considerations

1. Hazardous area classification
2. Environmental gas type
3. Equipment operating conditions
4. Maintenance accessibility

Certification Requirements

• Must have explosion-proof certification
• Comply with national explosion-proof standards
• Regular explosion-proof testing