Eaton TP4MSB Square Outlet Box with MSB Bracket - NEC/CEC
Part Number: TP4MSB
Quick Summary
TP4MSB Square Outlet Box with MSB Bracket protects electrical terminations inside industrial control panels. In busy facilities, cabinet space and routing complexity can cause wiring errors and downtime. It meets NEC/CEC standards and is classified for ordinary/non-hazardous locations, ensuring safe, compliant installations. Designed for quick mounting and reliable grounding, it lowers project labor, reduces changes, and improves panel reliability in automation environments. For engineers, that means faster field wiring, fewer delays during enclosure changes, and easier maintenance schedules. Procurement benefits include standardized components across facilities, predictable lead times, and reduced need for adapters thanks to the consistent 4-inch footprint and versatile knockouts.
Product Information
Extended Description
TP4MSB Eaton: Eaton Crouse-Hinds series 4" square outlet box, (2) 1/2", (2) 1/2"+ 3/4" E bottom KOs, Ground bump, MSB bracket, Single bracket, Welded, 2-1/8" depth, Steel, (8) 1/2", (4) 1/2" + 3/4" E side KOs, 30.3 cu in
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP4MSB
UPC
662277115650
Product Length/Depth
4 in
Product Height
3 in
Product Width
6 in
Product Weight
0.98 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Box size
4"
Capacity
30.3 cubic inch capacity
Depth
2-1/8"
Bracket style
MSB
Construction
Welded
Box ground wire
Ground bump
Side knockouts
(8) 1/2", (4) 1/2" + 3/4" E side KOs
Bottom Knockouts
(2) 1/2", (2) 1/2"+ 3/4" E bottom KOs
Configuration
Single bracket
Material
Steel
Crouse-Hinds series 4-Inch Steel Square Boxes and Covers catalog page
4-Inch Steel Square Outlet Boxes, Covers, Extension Rings Canadian certification
4-Inch Steel Square Outlet Boxes, Covers, Extension Rings Canadian certification
Eaton Specification Sheet - TP4MSB
Eaton Specification Sheet - TP4MSB
Feature: 4-inch square footprint with 2-1/8 inch depth and 30.3 cubic inch capacity provides ample space for conductors and terminations. Business impact: Enables compliant wiring in a single enclosure, reducing the need for nested boxes and additional boxes in control panels. Application: Ideal for machine controls and panel wiring in mid-size automation cabinets. Feature: Welded steel construction delivers high durability and vibration resistance. Business impact: Improves enclosure longevity, lowers maintenance costs, and minimizes field repairs in busy production lines. Application: Suitable for conveyors, robotic cells, and критical machinery in harsh environments. Feature: Ground bump for a reliable grounding path. Business impact: Simplifies safety compliance and reduces fastener count for grounding, speeding starters and disconnects. Application: Electrical cabinets requiring robust earth bonding. Feature: MSB bracket and single-bracket configuration enable quick mounting. Business impact: Reduces installation time and hardware shopping, lowering labor costs. Application: Panel builders and assembly technicians benefit from faster wiring runs. Feature: Multiple knockouts on the sides and bottom (side: eight 1/2"; bottom: 2 x 1/2" and 2 x 1/2"+3/4" E) provide flexible routing. Business impact: Minimizes need for adapters and fittings, lowering material costs and installation complexity. Application: Wiring feeders, control circuits, and branch connections in industrial panels. Feature: Ordinary/Non-Hazardous area classification with NEC/CEC standards. Business impact: Ensures compliant deployment in standard facilities, avoiding costly rework for non-hazardous zones. Application: General-purpose electrical infrastructure in manufacturing plants and facilities.
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FAQs
The TP4MSB uses the MSB bracket for quick, secure mounting inside 4-inch square enclosures. The welded steel construction provides rigidity, while the single-bracket configuration simplifies alignment and reduces hardware requirements. This setup speeds up installation in panels and cabinets, particularly when mounting multiple boxes in control panel assemblies.
Key specs include a 4-inch box size, 2-1/8 inch depth, 30.3 cubic inch capacity, welded steel construction, and eight side knockouts plus bottom knockout options. Weight is approximately 0.98 lb. The box is suitable for ordinary/non-hazardous locations and supports reliable terminations in standard industrial environments.
The TP4MSB is specified for Ordinary/Non-Hazardous Locations. It is designed to meet NEC/CEC standards for general industrial use, not for explosion-proof or highly hazardous environments. If you operate in hazardous zones, consider enclosures rated for those conditions and verify compatibility with your local codes.
TP4MSB complies with NEC/CEC standards and is classified for ordinary/non-hazardous locations. Canadian certification references are available via UL-related listings, and Eaton provides official specification sheets and datasheets for deeper validation, including the MSB bracket integration and metal construction details.
With welded steel construction, reliable grounding via a ground bump, and MSB mounting, the TP4MSB reduces installation time and field modifications. The ample 30.3 inÂł capacity streamlines conductor packing, potentially lowering labor costs and change orders, while its durable design minimizes replacement frequency in busy automation environments.