
Hammond 18P5721 57 x 21 In White Steel Inner Panel, Fits 60-by-24
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Create Free Business AccountKey Features
- 57 x 21 in panel (1448 mm x 533 mm) for 60 x 24 in enclosures
- 12 gauge steel finished in white (series spec; some larger panels are 10 gauge)
- Part of the 18P Series for 1418, 1447, PJW and PHW wallmount enclosures
- 0.75 in formed depth per manufacturer drawing
- Size H x W x D: 57 in x 21 in x 0.75 in (1,448 mm x 533 mm x 19 mm)
- Panel mounting hardware not included (provided with enclosure)
- RoHS and REACH compliant; shipping weight 40 lbs (18.14 kg)
The 18P5721 is a 57 x 21 in white-finished steel inner panel for 60 x 24 in enclosures, part of Hammond's 18P Series of inner panels for 1418, 1447, PJW and PHW wallmount enclosures. It gives panel builders, electrical contractors and OEM engineers a dedicated surface for mounting components inside the enclosure.
According to the series specifications, steel panels are 12 gauge steel finished in white, and some larger panels in the series are 10 gauge. Larger panels in the series have two or four formed flanges; the drawing for this part shows a 0.75 in formed depth. This is the only panel in this group with a listed Size H x W x D: 57 in x 21 in x 0.75 in (1,448 mm x 533 mm x 19 mm).
The panel measures 57.00 in (1448 mm) long by 21.00 in (533 mm) wide and is listed for enclosures 60.00 in (1524 mm) high by 24.00 in (610 mm) wide. Shipping weight is 40 lbs (18.14 kg).
Panel mounting hardware is not included; the series notes it is provided with the enclosure. The 18P5721 is RoHS and REACH compliant and ships in a box. The same panel size is also listed as 18G5721 (galvanized steel).
Ideal For
- Component mounting in 60 x 24 in wallmount enclosures
- Back panels for 1418 and 1447 enclosures
- Inner panels for PJW and PHW enclosures
- Painted white steel mounting surface for control panels
Mounting
| Mounting Hardware | Not included (provided with enclosure) |
Overview
| Series | 18P Series Inner Panels |
| Description | Panel 57 x 21 - Fits Encl. 60 x 24 - Steel/Wht |
| Part Number | 18P5721 |
| For Use With | 1418, 1447, PJW and PHW wallmount enclosures |
| Product Type | Inner Panel |
| Short Description | INNER PANEL 57X21 |
Dimensions
| Size H X W X D | 57 in x 21 in x 0.75 in (1,448 mm x 533 mm x 19 mm) |
| Panel Width (W) | 21.00 in (533 mm) |
| Panel Length (L) | 57.00 in (1448 mm) |
| Formed Depth (Drawing) | 0.75 in |
| For Use With Enclosure Width (W) | 24.00 in (610 mm) |
| For Use With Enclosure Height (H) | 60.00 in (1524 mm) |
Identifiers
| UPC | 623980415611 |
| UNSPSC | 39121302 |
Packaging & Shipping
| Packaging Type | Box |
| Shipping Weight | 40 lbs (18.14 kg) |
Related Part Numbers
| Galvanized Steel Equivalent | 18G5721 |
Construction & Finish
| Gauge | 12 gauge (series spec; some larger panels are 10 gauge) |
| Finish | White |
| Material | Steel |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What size enclosure does 18P5721 fit?▾
The series ordering table lists it for enclosures 60.00 in (1524 mm) high by 24.00 in (610 mm) wide, within the 1418, 1447, PJW and PHW wallmount enclosure lines.
What are the panel dimensions?▾
57.00 in (1448 mm) long by 21.00 in (533 mm) wide; the listed size H x W x D is 57 in x 21 in x 0.75 in (1,448 mm x 533 mm x 19 mm).
What material is the panel?▾
Steel, finished in white. The series specifies 12 gauge steel, and notes some larger panels are 10 gauge.
Is mounting hardware included?▾
No. Panel mounting hardware is not included; the series notes it is provided with the enclosure.
Is it RoHS and REACH compliant?▾
Yes. 18P5721 is listed as RoHS compliant and REACH compliant, with a shipping weight of 40 lbs (18.14 kg) and box packaging.

