Need more information?
Thomas & Betts 3MB-P
Three Gang Masonry Box
Product Description
The Three Gang Masonry Box provides a volume of 71.0 cubic inches and is constructed from galvanized steel with a welded design for durability. The dimensions are 3-3/4 inches long, 5-1/2 inches wide, and 3-1/2 inches deep, making it suitable for a variety of installation scenarios.
This masonry box includes 1/2 inch and 3/4 inch concentric knockouts on each side, with a total of six knockouts, and two additional knockouts on each end, facilitating conduit connections. The product is equipped with a #12 AWG solid ground wire pigtail for enhanced safety and compliance.
Designed for professional use, it meets rigorous construction standards, ensuring reliability in electrical installations.
- Get up to 90 days payment terms from 500+ suppliers
- Reselling discounts up to 40%!
Specifications
- Brand
- Thomas & Betts
- Finish
- Pre-Galvanized
- Construction
- Welded
- Volume (cu.in.)
- 71.0
- Material
- Steel
- Knockouts-Each Side (Conduit)
- (6) - 1/2" & 3/4" Cocentric
- Gang Size
- 3
Access our platform to find more offers
Register now to explore 36 mln offers from verified suppliers worldwide.
- Compare offers globally
- Direct supplier contact
- RFQs, Quotes, and Orders
- BOM Search
Documents
Data Sheet
Datasheet for Thomas & Betts 3MB-P, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Market insights

Get real-time analytics and market data to optimize your purchasing decisions for this component and similar products
- Real-time stock availability data from 700 MRO distributors in Europe and USA
- Price analysis by condition (new, used, refurbished) with market median prices
- Critical component availability monitoring to prevent production downtime
- Inventory optimization insights based on market supply trends