NEMA - IP Rated Enclosures + IP Rated Fittings = SOLUTIONS

Sealcon Hummel Technical Information

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IP66 = NEMA 4X
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Technical Information - Material Specifications & Compatibility Chart

Material Specifications and Compatibility Chart - Click to Enlarge
Technical Information - Material Selection Chart

Polycarbonate (PC)
  • High impact resistance
  • High degree of protection
  • Light weight
  • Good resistance to chemicals
  • Wide temperature range
  • Self-extinguishing
  • Easily machined using standard tools
  • Excellent insulation properties
  • Suitable for outdoor use
  • Also available with clear cover
  • Because of the fiberglass used, achieving the correct color shade may be difficult
Acryl-Butadiene-Styrene (ABS)
  • Cost effective
  • Light weight
  • Good chemical resistance
  • Easy to machine using standard tools
  • Lower impact resistance than polycarbonate
  • Narrower temperature resistance range than polycarbonate
  • Low UV radiation resistance
  • Not suitable for outdoor use
  • Not self-extinguishing
  • Lighter than steel
  • High impact resistance
  • Good resistance against solvents
  • Wide temperature resistance range
  • Excellent corrosion resistance
  • Machining may be problematic
  • Expensive
Polyester (Glass-reinforced)
  • Excellent temperature resistance
  • Excellent impact resistance
  • Good corrosion resistance
  • Good resistance against solvents
  • Suitable for highly demanding industrial environments
  • More expensive than thermoplastic materials
  • Machining problematic
  • Material is not recyclable
Powder Coated Steel
  • High impact resistance
  • High degree of protection
  • Easy to customize, special dimensions possible
  • Corrosion risk
Stainless Steel (AISI 304)
  • High impact resistance
  • High degree of protection
  • Excellent corrosion resistance
  • Excellent resistance to UV radiation
  • Suitable for outdoor use, canopy for rain is recommended
  • Suitable for industrial environments
  • Excellent suitability for e.g. the food industry
  • More expensive than powder coated steel
  • Customization more difficult
Acid-proof Steel (AISI 316)
  • As AISI 304, Also:
  • Extremely high resistance to corrosion
  • Excellent suitability for off-shore industry
  • Excellent suitability for paper industry
  • More expensive than stainless steel
  • Customizing more difficult than with powder coated steel
Technical Information - Protection (IP) Ratings per EN 60529 / DIN VDE 0470-1

International Protection, EN 60529 - Click to Enlarge

IK Ratings, EN 50102
Impact Energy (Joules) IK-Code
<1 IK 01 - 05
1 IK 06
2 IK 07
5 IK 08
10 IK 09
20 IK 10
Technical Information - NEMA Ratings & Approvals

NEMA Rating
NEMA Rating IP-Class Indoor Outdoor In- and Outdoor Protection against:
NEMA 1 IP 23 x     Falling dirt and moisture
NEMA 2 IP 30 x     Splashing water and dirt
NEMA 3 IP 64   x   Wind carried dust, rain and hail
NEMA 3R IP 32   x   Rain and hail
NEMA 3S IP 64   x   As 3, outdoor equipment under ice load
NEMA 4 IP 66     x As 3, Protection against water spray, ice accumulation
NEMA 4x IP 66     x As 4, corrosion resistant
NEMA 6 IP 66 - 68     x As 6P, ice accumulation, corrosion resistant
NEMA 6P IP 67 - 68     x Submersed in water for specific time & depth
NEMA 12, 12K IP 65 x     Dirt / non-corrosive drops of liquid
NEMA 13 IP 65 x     Same as 12, oils and non corrosive coolant

  Polycarbonate and ABS Hinged PC Aluminum EMI Shielded PC Polyester Steel & Stainless Steel
Small Medium Large
UL x (only PC) x (only PC) x (only PC) x        
cUL x (only PC) x (only PC) x (only PC) x        
GOST x x x x x x x x
x x x x       x
RINA x x x          

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