Hubbell Wiring Devices HBLMITL Unfused Mechanical Interlock Switch Safety Enclosure
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Manufacturer Hubbell / Kellems
Mfg Catalog # HBLMITL
North Coast Part # 15922


  • Unfused Mechanical Interlock for Watertight Safety-Shroud
  • Virtually Eliminates Possible Circuit Making or Breaking While Under Load
  • Compact, Corrosion Resistant Type 4X Non-metallic Enclosure
  • Molded Valox Resists Abuse, Corrosion and Enhances Safety



  • Color: Gray
  • Item Type: Safety-Shroud Enclosure
  • Performance: Electrical - Current Interrupting - Certified for current interrupting at full rated current and voltage | Electrical - Dielectric Voltage - Withstands 3,000V minimum | Electrical - Max. Working Voltage - 600V RMS | Electrical - Operations - Mechanical 10,000 cycles | Electrical 6,000 cycles | Environmental - Flammability - Meets UL 94V0 material classification | Environmental - Moisture Resistance - IP66 suitability | Environmental - Operating Temperature - Maximum continuous +75°C Minimum continuous -40°C | Environmental - UV Resistance - All exposed materials are UV stabilized | Mechanical - Impact Resistance - In accordance with UL 746C | Mechanical - Mounting - External full adjustable feet | Mechanical - Product Identification - Identification and ratings are part of the external label and receptacle face | Mechanical - Terminal Identification - In accordance with UL, CSA
  • Style: For 20A and 30A Devices
  • Type: Switched Enclosure
  • UPC: 783585176802


  • Dimensions: 11.44 in x 4.88 in x 4.19 in
  • Height: 4.19 in
  • Length: 11.44 in
  • Weight: 3.65 lb
  • Width: 4.88 in

Electrical Ratings

  • Dielectric Strength: Withstands 3,000V minimum

Certifications and Compliance

  • Industry Standard(s): CSA Certified TYPE 4, 4X and TYPE 12K Enclosure Rating | Listed to UL Standard
  • Nema Rating: Type 4X


UPC 78358517680
GTiN 00783585176802
Length 11.44 in
Width 4.88 in
Size 11.44 in x 4.88 in x 4.19 in
Color Gray
Operating Temperature Max Continuous- 67 Degrees C, Minimum- -40 Without Impact
Type 3-Pole
Material Composite
Applications Extra Heavy Duty Industrial Application
Height 4.19 in
Weight 3.65 lb
Style Standard
Wattage 18,000 Watt
Family Brand Name Hubbell Wiring Device Kellems
Enclosure Type NEMA 4X
Actuator Lever
Contact Configuration Two Position
Contact Rating 30 A
Number of Poles 3 Pole
Enclosure Non-Metallic
Operating Cycles 6k
Sub Brand Twist-Lock
Standard 4X,CSA,TYPE 12K Enclosure Rating,TYPE 4,UL Standard
Voltage null
Environmental Conditions NEMA 4X
Action Snap

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