Thomas & Betts 3781A/B100 DSFD Cast Aluminum Conduit Box

Description:

The Thomas & Betts 3781A/B100 Single-Gang DSFD Cast Aluminum Conduit Box is used to house and protect 50 Amp industrial receptacles and wiring connections in harsh environments. Commonly installed in manufacturing plants, food processing facilities, marine applications, power distribution systems, and heavy-duty industrial installations, this corrosion-resistant cast aluminum conduit box provides a durable, weatherproof enclosure for Russellstoll® DuraGard® devices. Maintenance teams and system integrators use this conduit box for repair, retrofit, expansion, and replacement of industrial wiring enclosures.

Applications:

The Thomas & Betts 3781A/B100 is designed for mounting 50 Amp Russellstoll® DuraGard® receptacles and connectors in washdown, wet, dusty, and corrosive environments. Its single-gang DSFD configuration and surface-mount design make it ideal for industrial machinery, processing plants, utilities, marine facilities, OEM equipment, and outdoor electrical installations where electrical connections require protection from water and dust ingress.

Technical Specifications:

• Manufacturer Part Number (MPN): 3781A/B100
• Brand: Thomas & Betts (ABB) – Russellstoll® DuraGard®
• Product Type: Single-Gang DSFD Cast Aluminum Conduit Box
• Current Rating: 50 A
• Configuration: DSFD (Deep Single-Gang FS/FD)
• Mounting Type: Surface Mount
• Material: Copper-Free Cast Aluminum
• Finish: Gray Epoxy Powder Coat
• Hub Size: 1 in. at B Location
• Number of Gangs: 1
• Box Type: Deep Conduit Box
• Dimensions: 4.12 in. × 3.62 in. × 4.12 in. (H × W × D)
• Cover Compatibility: Russellstoll® DuraGard® FS/FD Cover Assemblies
• Features: Corrosion-resistant construction, weatherproof/watertight enclosure, self-closing cover compatibility, suitable for washdown and outdoor environments, rugged industrial design
• Standards: UL Listed, CSA Certified
• Typical Applications: Food & Beverage Processing, Manufacturing Plants, Marine Facilities, Outdoor Power Distribution, Utilities, Industrial Machinery, OEM Equipment, Chemical Processing Plants

Common Replacements:

• Thomas & Betts 3781A/A100
• Thomas & Betts 3711A/B100
• Thomas & Betts 3701A