Additional Resources

QLINE™ I, Type 4X

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The largest-sized QLINE™ enclosure, QLINE I provides easy access and protects larger controls from corrosive environments. Choose from screw cover, hinge, internal mounting, variable depth and quick-release latch options to meet your design and security requirements.
The ABS series shares the same features and similar physical properties as the polycarbonate but is a more economical, non-UL rated alternative.


• Body is impact-resistant polycarbonate for PCI series and ABS for ABI series
• Opaque and clear covers are impact-resistant polycarbonate for PCI; opaque covers are ABS for ABI series
• Polycarbonate and ABS material is easily punched, drilled, filed or sawed
• Mounting holes molded directly under cover screws
• Molded internal pads for mounting optional panels, rails and other components
• Molded internal rails for mounting adjustable-depth panel kit
• Screws provided for mounting optional panel
• Optional extension rings are molded polycarbonate
• Cover includes a molded-in hole for wire lead
• Seamless foam-in-place gasket assures water-tight and dust-tight seal
• Material is halogen free
Screw Cover Enclosures have easy-to-remove covers attached to body with strong, durable polyamide cross-point cover screws.
Enclosures with Quick-Release Latches have polycarbonate hinges and polyester latches with a padlock provision.


Polycarbonate and ABS enclosure material is RAL 7035 light-gray inside and out. Optional panels are plated steel.

Industry Standards

Polycarbonate Enclosure

UL 508A Listed; Type 4, 4X, 12, 13; File No. E61997
cUL Listed per CSA C22.2 No 94; Type 4, 4X, 12, 13; File No. E61997
Enclosure flammability evaluated per UL 508A
NEMA/EEMAC Type 4, 4X, 12, 13
CSA File No. 42186: Type 4, 4X, 12, 13
IEC 60529, IP66

ABS Enclosure
NEMA/EEMAC Type 4, 4X, 12, 13
IEC 60529, IP66


See also Accessories.
Brass Insert Kit
Cover Screw Kit
Extension Rings
Hardware Kit
H2OMIT™ Vent Drains, Type 4X
Hinge Kit
HOL-SEALERS™ Non-Metallic Hole Seals
Mounting Bracket Kit
Panel Depth Fitting

Modification and Customization

Hoffman excels at modifying and customizing products to your specifications. Contact your local Hoffman sales office or distributor for complete information.