The CHKO30246 is a 30 x 24 x 6 inch hinged-cover box, the largest CHKO size built from 16 gauge steel. It is a Type 1 mild steel junction box from the CHKO series, designed for general purpose indoor commercial use as a junction, pull or switch box, and its hinged cover with latch gives electricians easy access during installation and later maintenance.
The body measures 30 in x 24 in x 6 in (762 mm x 610 mm x 152 mm) H x W x D and is formed and spot welded from 16 gauge steel. The full-swing hinged door, about 30.38 in x 24.30 in on the drawing, closes with a slotted quarter-turn latch, and the drawing shows an overall depth of 6.12 in with the door fitted. Enclosure and cover are finished in ANSI 61 gray powder coating.
Easily removed knockouts are provided on all 4 sides; the part drawing for this size calls out knockout diameters of 0.76, 1.01, 1.13, 1.26, 1.38 and 1.75 in. Through holes in the back (0.44 in diameter on the drawing) allow wall mounting, and a grounding location is embossed in the body. Hammond notes the former butt hinge has been transitioned to a new integral hinge design starting late 2020.
The CHKO30246 is listed to UL-50 Type 1 (UL File E65324) and CSA Type 1 (CSA Cert. LR21001), and complies with NEMA Type 1 and IEC 60529 IP20. It is REACH and RoHS compliant, ships at 49 lbs (22.23 kg) and is packed in a box. A Type 1 Lock Kit and CS Perforated Panels are listed as accessories for the series.
| Mounting | Wall mount via through holes in back |
| Mounting Hole Diameter (Drawing) | 0.44 in |
| Style | Hinge Door with Quarter Turn and w/ Knockouts |
| Series | CHKO Series - Type 1 Mild Steel Junction Box |
| Application | General purpose indoor commercial use as a junction, pull or switch box |
| Series Accessories | Type 1 Lock Kit; CS Perforated Panels |
| Enclosure Depth | 6.00 in (152 mm) |
| Enclosure Width | 24.00 in (610 mm) |
| Enclosure Height | 30.00 in (762 mm) |
| Size (H X W X D) | 30 in x 24 in x 6 in (762 mm x 610 mm x 152 mm) |
| Door Size (Drawing, H X W) | 30.38 in x 24.30 in |
| Overall Depth With Door (Drawing) | 6.12 in |
| UPC | 623980361239 |
| UNSPSC | 39121324 |
| Part Number | CHKO30246 |
| Long Description | N1 Hinge Cover w/KO's - 30 x 24 x 6 - Steel/Gray |
| Short Description | HINGE COVER W/KO'S 30X24X6 |
| Packaging Type | Box |
| Shipping Weight | 49 lbs (22.23 kg) |
| Door | Full swing, hinged door (former butt hinge transitioned to new integral design starting late 2020) |
| Colour | Gray (Steel/Gray) |
| Finish | ANSI 61 gray powder coating (enclosure and cover) |
| Closure | Formed steel cover closes by slotted quarter turn latch |
| Material | Mild steel |
| Grounding | Grounding location embossed in body |
| Knockouts | Easily removed knockouts on all 4 sides |
| Steel Gauge | 16 gauge |
| Construction | Formed and spot welded |
| Knockout Diameters (Drawing) | 0.76, 1.01, 1.13, 1.26, 1.38 and 1.75 in |
| Environment | Indoor |
| Enclosure Type | NEMA Type 1 |
| Ingress Protection | IEC 60529, IP20 |
| UL | UL-50 Type 1 |
| CSA | CSA Type 1 |
| UL File # | E65324 |
| CSA Cert. # | LR21001 |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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The enclosure is 30 in x 24 in x 6 in (762 mm x 610 mm x 152 mm) H x W x D. The drawing shows a door of about 30.38 in x 24.30 in and an overall depth of 6.12 in with the door.
No. It is a Type 1 enclosure designed for general purpose indoor commercial use, rated NEMA Type 1 and IEC 60529 IP20.
Knockouts are on all 4 sides. The part drawing for this size shows knockout diameters of 0.76, 1.01, 1.13, 1.26, 1.38 and 1.75 in; see the drawing for exact locations.
The full-swing hinged door closes with a slotted quarter-turn latch. A Type 1 Lock Kit is listed as an accessory for the series.
UL-50 Type 1 (UL File E65324) and CSA Type 1 (CSA Cert. LR21001), with compliance to NEMA Type 1 and IEC 60529 IP20. It is also REACH and RoHS compliant.
The shipping weight is 49 lbs (22.23 kg), and it ships in a box.
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