Orbit
Orbit 4 in Square 1-1/2 in Deep 4S Square Steel Box 1/2 in and 3/4 in Mixed Knockouts MS Bracket 4SB-MKO-MS
Orbit 4 in Square 1-1/2 in Deep 4S Square Steel Box 1/2 in and 3/4 in Mixed Knockouts MS Bracket 4SB-MKO-MS
SKU:4SB-MKO-MS
Couldn't load pickup availability
Product Overview
Orbit 4SB-MKO-MS is a 4S Square Steel Box used for commercial switch, receptacle, fixture, and junction box rough-in. It includes 4 in square, 1-1/2 in, 1/2 in and 3/4 in mixed knockouts, MS bracket for correct product selection.
Key Features
- 4 in square welded box
- 1-1/2 in depth
- 21 cu in
- 1/2 in and 3/4 in mixed knockouts
- MS bracket
- fixture/luminaire support up to 50 lb or less
Technical Specifications
| Brand | Orbit |
| Model / SKU | 4SB-MKO-MS |
| Product Type | 4S Square Steel Box |
| Shape | 4 in square |
| Depth | 1-1/2 in |
| Box Volume | 21 cu in |
| Dimensions | 4 in W x 4 in H x 1-1/2 in |
| Knockouts | 1/2 in and 3/4 in mixed knockouts |
| Bracket Type | MS bracket |
| Finish | Galvanized |
| Material | 16 GA sheet steel |
| Manufacturing Process | Welded |
| Mounting Type | 4S square box rough-in mount |
| Location Rating | Dry location |
| Certifications | UL, RoHS; UL File E227970 |
| Manufacturer Part Number | 4SB-MKO-MS |
Applications
- 4S square box installations
- switch and receptacle rough-in
- commercial wall and ceiling wiring
- fixture and device box layouts
- new construction electrical work
- contractor stock
Compatibility and Installation Notes
Confirm the model number, depth, knockout pattern, clamp type, bracket style, device opening, and local electrical code requirements before ordering Orbit 4SB-MKO-MS. Installation should be completed by qualified electrical personnel with proper grounding, box-fill verification, and fixture or device support checks.
Why Buy From Best Buy Electric
Best Buy Electric lists Orbit 4SB-MKO-MS with contractor-ready specifications, clear product data, and competitive pricing for service work, maintenance stock, and new construction purchasing.
Share
