A-B 140MG-H8E-D10 Motor Protection Circuit Breaker

Product Overview
The Allen-Bradley 140MG-H8E-D10 is a 140MG Series H-frame Motor Protection Circuit Breaker (MPCB) featuring adjustable thermal and magnetic protection. It is rated for 100 A and is designed for motor circuit protection in industrial applications.

Technical Specifications

• Model: 140MG-H8E-D10
• Series: 140MG
• Type: Motor Protection Circuit Breaker
• Frame Size: H Frame
• Rated Current: 100 A
• Poles: 3
• Protection: Thermal/Magnetic (TMD)
• Thermal Adjustment: 40–100 A
• Magnetic Adjustment: 6–13 × In
• Interrupting Rating: 65 kA @ 480 VAC
• Insulation Voltage (Ui): 1000 V
• Connection: Screw terminals
• Control: Toggle
• IP Rating: IP20
• Approx. Dimensions: 90 × 130 × 82.5 mm
• Approx. Weight: 2.6 lb (1.18 kg)

Advantages & Features

• Adjustable thermal and magnetic protection
• High short-circuit interrupting capacity
• Phase-failure sensitive protection
• Compact H-frame construction
• Suitable for demanding motor protection applications
• Reliable manual ON/OFF operation

Applications

• Industrial motor protection
• Motor control centers
• Pumps and compressors
• Conveyors and material-handling equipment
• Manufacturing machinery
• Industrial automation and power distribution