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Orbit 5SDB100 4-11/16" Square Deep Welded Box, 1" KO
The Orbit 5SDB100 is a 4-11/16" square deep welded box designed for commercial and industrial electrical rough-in work where a larger wiring capacity is required. Built with a fully welded, seamless body construction, this deep box provides added interior volume compared to standard-depth square boxes, making it well suited for installations with multiple conductors, devices, or splices. This box family is available in deep configurations ranging from 1-1/2" to 2-1/8", giving electricians flexibility to match the enclosure depth to the wiring load and device count on a given job. Every version comes equipped with a 1" knockout (KO) for straightforward conduit entry, helping electricians move efficiently through rough-in without needing to punch out additional openings on site. As part of the Orbit line of electrical enclosures, the 5SDB100 is manufactured to deliver dependable, code-compliant performance for professional electrical installations.
Key Features
- Trade Size: 4-11/16" square footprint provides ample working room for junction, pulling, and device applications.
- Deep Box Depth Options: Available in depths from 1-1/2" to 2-1/8", offering extra interior volume over standard-depth 4-11/16" square boxes to accommodate additional conductors and devices.
- Welded Construction: Fully welded seams create a rigid, durable enclosure body for long-term reliability in the field.
- 1" Knockout (KO): Pre-sized knockout simplifies conduit entry and speeds up installation.
- Square Box Format: Standard 4-11/16" square dimension is compatible with a wide range of covers, mud rings, and device plates used in commercial wiring systems.
Technical Specifications
- Box Size: 4-11/16" Square
- Depth Range: 1-1/2" - 2-1/8"
- Construction: Welded
- Knockout: 1" KO
Typical Applications
- Commercial and Industrial Electrical Rough-In
- Junction and Pull Box Installations
- Conduit Systems Requiring 1" Entry Points
- New Construction and Renovation Wiring Projects
- Multi-Conductor Splicing Applications
Why Orbit?
Orbit's welded box construction is built to withstand the demands of daily jobsite handling and long-term service in electrical systems. The 5SDB100 series' deep 4-11/16" square design, available from 1-1/2" to 2-1/8" deep with a 1" knockout, gives electricians a dependable, ready-to-install enclosure that supports efficient, code-compliant rough-in work. Choose Orbit for durable, professional-grade electrical box solutions.
Manufacturer Resources
Product Specs
- list_batch:
- ORB-20260924
- Product Type:
- Outlet Box
- Configuration:
- Deep Welded
- Department:
- Electrical
- Product Subgroup:
- Electrical Boxes
- Product Group:
- Boxes & Enclosures
Orbit 4SB-50/75 – Frequently Asked Questions
1) What size square electrical box is the Orbit 5SDB100, and how deep does it go?
It's a 4-11/16 inch square steel box in the deep configuration. Two depths are sold: 1-1/2 inch and 2-1/8 inch. The deeper 2-1/8 inch option gives you the extra cubic volume when you're stacking multiple conductors, splices, or devices in one box; the 1-1/2 inch works where wall cavity depth is tight.
2) Will standard mud rings and covers fit the Orbit 5SDB100?
Yes. It uses the standard 4-11/16 inch square footprint, which is the common commercial size, so the usual 4-11/16 covers, mud rings, and device plates line up on it. Pick the ring depth to suit your finished wall thickness.
3) What is the difference between the Orbit 5SDB100 and the Pass & Seymour S4435RAC square box?
They are different trade sizes. The Orbit 5SDB100 is a 4-11/16 inch square deep welded box with a 1 inch knockout, offered in depths from 1-1/2 inch to 2-1/8 inch for larger wiring capacity. The Pass & Seymour S4435RAC is a 4 inch square box with threaded mounting holes. The smaller 4 inch footprint takes 4 inch covers and mud rings, while the 4-11/16 inch Orbit body takes 4-11/16 inch covers and rings, so the two are not interchangeable once the cover and ring are selected.
4) If a 4-11/16 inch box is oversized for the opening, what smaller square box can be used instead?
The Pass & Seymour S4435RAC is a 4 inch square box, a smaller footprint than the 4-11/16 inch Orbit 5SDB100, and it comes with threaded mounting holes for direct device or bracket fastening. Keep in mind that dropping to the 4 inch size reduces interior volume, so recount conductors, devices, and splices before substituting for a deep 4-11/16 inch box.
5) Does the Orbit 4-11/16 square deep box come with a 1 inch knockout for conduit?
Yes. The box ships with a 1 inch knockout, so a 1 inch conduit entry needs no punching on site. If your run is a smaller trade size you'll need a reducing washer set at that opening.
6) Is a welded box better than a drawn or lapped-seam box for commercial rough-in?
Welded means the seams are closed and the body is rigid, which is what holds up to jobsite handling and conduit torque during rough-in. Orbit's 5SDB100 is the welded type. Drawn boxes are a single pressed piece and fine for light residential work, but on commercial and industrial rough-in where boxes get knocked around in a stud bay before cover-up, the welded body is the one electricians specify.
7) Can I use the 4-11/16 Orbit box as a pull box or junction box, not just for devices?
That's exactly what the larger footprint is for. It's catalogued as a junction box and the description calls out junction and pull box installations plus multi-conductor splicing. Use the 2-1/8 inch depth where you're turning several conduits into the same box and need bending room.
8) Can the Pass & Seymour S4435RAC be used as a direct replacement for an Orbit 5SDB100?
No. The S4435RAC is a 4 inch square box, while the Orbit 5SDB100 is a 4-11/16 inch square deep welded box with a 1 inch knockout. Because the footprints differ, existing 4-11/16 inch covers, mud rings, and device plates will not land on the 4 inch body, and the shallower 4 inch box does not carry the added interior volume the 1-1/2 inch to 2-1/8 inch deep Orbit provides.
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Does the Orbit 4SB-50/75 come with a warranty?
Absolutely. The Orbit 4SB-50/75 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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