140MT-C3E-B16

Overview of Allen Bradley 140MT-C3E-B16

The Allen Bradley 140MT-C3E-B16 is a robust motor protection circuit breaker designed for industrial automation environments. This 3-phase device safeguards motors from overload and short-circuit conditions, offering adjustable trip settings from 1.0 to 1.6 A with a fixed magnetic trip at 14 x rated current. Built for flexible integration, it features screw terminals, a rotary on/off handle, and mounts securely on a 35 mm DIN rail for easy installation and removal. The 140MT-C3E-B16 is part of Allen Bradley’s next-generation 140MT-C3E line, which replaces the long-standing 140M-C2E series and is backwards compatible with 100-C contactors for combination motor starter applications. Its durable construction and accessory support make it a reliable choice for continuous-duty motor protection in automation, packaging, and material handling systems.

Key Features of Allen Bradley 140MT-C3E-B16

• Adjustable thermal trip current range: 1.0 to 1.6 A
• Fixed magnetic trip at 14 x In for fast response to short circuits
• Class 10 tripping – trips in 10 seconds or less for overload protection
• Screw terminals for secure, vibration-resistant connections
• Standard 35 mm DIN rail mounting for easy panel integration
• Rotary on/off handle for manual operation
• Compatible with 100-C and 100-E series IEC contactors
• Supports front or side mount auxiliaries for signaling and remote control
• Available on/off indication and mechanical trip indication
• Meets international safety and performance standards for motor protection

Technical Specs of 140MT-C3E-B16

Applications / Use Case

The Allen Bradley 140MT-C3E-B16 is engineered for protecting small 3-phase motors in demanding industrial settings. It is commonly used in applications where precise overload and short-circuit protection are critical for motor longevity and operational safety, such as conveyor systems, pumps, fans, packaging lines, and material handling equipment. The adjustable trip range and fast-acting magnetic trip ensure motors are quickly isolated from damaging fault currents, minimizing downtime and preventing costly failures. Compatible with IEC contactors for motor starter integration, the 140MT-C3E-B16 is a trusted solution for OEMs, electrical contractors, and plant maintenance teams seeking reliable, compliance-ready motor protection.

Related Resources

• LeadTime.ca – Industrial Automation Components & Repair Services
• Browse All Allen Bradley Products
• Soft Starter Selection Guide for Motor Applications
• Allen Bradley 194E-SY Disconnect Switch
• Allen Bradley 1321-3R18-B Resistor Assembly