140UT-D7D2-B10

Overview of Allen Bradley 140UT-D7D2-B10

The Allen Bradley 140UT-D7D2-B10 is a molded case circuit breaker designed for industrial control panels and power distribution systems. Built to meet the demands of both North American and international standards, this breaker offers reliable and secure circuit protection with current-limiting capability. It features a D-frame, 2-pole configuration, and is rated for 1A. Designed to withstand rigorous use, it incorporates both fixed thermal and fixed magnetic trip mechanisms, ensuring dependable response to overloads and short circuits. The 140UT series supports applications in closed environments, helping maintain electrical safety without exposing equipment to dust, corrosive gases, or hazardous conditions. With its robust interrupting capacity and compliance with UL 489 and IEC 60947-2, the Allen Bradley 140UT-D7D2-B10 provides dependable circuit protection for diverse industrial power distribution needs.

Key Features of Allen Bradley 140UT-D7D2-B10

• Current-limiting design reduces fault energy let-through
• 2-pole, D-frame construction for compact installations
• Rated 1A with fixed thermal and magnetic trip functions
• Interrupt rating up to 100 kA at 480V AC
• Meets UL 489 and IEC 60947-2 standards for global use
• Ambient temperature operation from -25°C to +60°C
• Suitable for backfeeding up to 480Y/277V and 600Y/347V systems

Technical Specs of 140UT-D7D2-B10

• Number of Poles: 2
• Rated Current: 1 A
• Frame Size: D-Frame
• Trip Type: Fixed Thermal / Fixed Magnetic
• Interrupting Rating: 100 kA at 480V AC; 65 kA at 480Y/277V AC
• Voltage: 480V AC, 60 Hz
• Backfeeding Capability: Up to 480Y/277V and 600Y/347V
• Standards: UL 489, IEC 60947-2
• Operating Temperature: -25°C to +60°C
• Suitable Environments: Closed, non-hazardous installations

Applications / Use Case

The Allen Bradley 140UT-D7D2-B10 is ideal for safeguarding branch circuits in industrial automation panels, control cabinets, and equipment motor protection. It is widely used across manufacturing, OEM panel building, process automation, HVAC, and utility sectors. Its compact 2-pole design makes it suitable for installations requiring high interrupting capacity without occupying excessive panel space. As a current-limiting breaker with fixed thermal and magnetic trip, it protects wiring and equipment against both persistent overloads and sudden fault currents. Suitable for environments requiring high levels of safety and compliance, it is commonly found in systems where electrical downtime could impact production or safety—such as automated conveyor lines, machine tools, and distributed control system panels.

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