Centaur Plastic Old Work Switc...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$99.71

Centaur Plastic Old Work Switch Boxes – 3–4 Gang, 35–68 cu in (per 6)

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Model: PSB355-OW

In Stock (leaves warehouse same day if ordered before 3pm ET)

$99.71
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These plastic old work switch boxes are ideal for retrofit installations in existing walls. Designed for fast, secure mounting without the need for stud access, each box includes integral mounting tabs or clamps to ensure a reliable fit. Constructed from high-strength, non-conductive thermoplastic, they offer durability, corrosion resistance, and easy installation across a range of gang configurations and cubic capacities.

Variant SKU Depth (Length) Width Height Cubic Capacity
PSB355‑OW 5.72″ 6.00″ 3.72″ 35 cu in
PSB468‑OW 7.57″ 7.75″ 3.75″ 68 cu in

Manufacturer Resources

Product Specs

Box Type:
Plastic Old Work Switch Box
Gang Options:
3-Gang / 4-Gang
Product Type:
Switch Box
Applications:
Installing electrical devices in existing walls
Cubic Capacity:
35 / 68 cu in
Mounting Feature:
Old Work
Product Group:
Electrical Boxes
Product Subgroup:
Junction Boxes
Product Material:
Plastic

Centaur PSB355-OW – Frequently Asked Questions

How fast can I get the Centaur PSB355-OW delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Centaur PSB355-OW come with a warranty?
Absolutely. The Centaur PSB355-OW is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Centaur PSB355-OW?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Centaur PSB355-OW from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.