Centaur Round Plastic SB Nail-...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$306.79

Centaur Round Plastic SB Nail-On Box - 18/20 cu in (per 75)

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Model: PSBR18

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

$306.79
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Centaur round plastic switch boxes are ideal for ceiling-mounted fixtures and fan installations. Available in 18 and 20 cu in capacities, these round boxes offer flexibility and strength in a compact form. Made from high-quality thermoplastic, each box includes pre-mounted nails for quick and reliable ceiling attachment during new construction.

SKU variant Weight Diameter Height Width Depth Cubic Capacity
PSBR18 0.25 lbs 3″ 3.5″ 3.5″ 2.75″ 18 in³
PSBR20 0.2024 lbs 4″ 4″ 4″ 2.25″ 20 in³

Manufacturer Resources

Product Specs

Box Type:
Switch Box
Cubic Capacity:
18 cu in / 20 cu in
Gang Options:
1-Gang
Mounting Feature:
Nail-On
Applications:
For electrical wiring and devices
Product Group:
Electrical Boxes
Product Subgroup:
Junction Boxes
Product Type:
Standard Junction Box
Cable Entry:
(4) Clamps / (6) Clamps
Product Shape:
Round
Product Material:
Plastic

Centaur PSBR18 – Frequently Asked Questions

How fast can I get the Centaur PSBR18 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 PSBR18 come with a warranty?
Absolutely. The Centaur PSBR18 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 PSBR18?
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 PSBR18 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.