140U-I6C3-C80
The 140U-I6C3-C80 circuit breaker is an Allen-Bradley/Rockwell Automation Bulletin 140U series circuit breaker that comes in a molded case. Its trip unit provides thermal and magnetic trip protection to various industrial devices, but the trip unit is not interchangeable with other units. The 140U-I6C3-C80 circuit breaker supports 80 Amps of continuous current. Its frame is a Size I frame and it comes with 3 poles. The 140U-I6C3-C80 circuit breaker’s terminals are end-cap bolt-on terminals.
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Technical specifications for 140U-I6C3-C80
| Brand | Allen-Bradley / Rockwell Automation |
|---|---|
| Series | 140U MCB |
| Part Number | 140U-I6C3-C80 |
| Description | UL Molded Case Circuit Breaker |
| Frame | I |
| Current Rating | 80 Amps |
| Interrupting Rating | 65 Kilo-Amps (KA) |
| Protection Type | Fixed Thermal/Magnetic Trip Unit |
| Number of Poles | 3 |
| Rated Operating Voltage | 480 Volts AC |
| Type of Control | Toggle Lever |
| Terminals | End Cap Bolt-On |
| Operating Temperature | -8 to 60 degrees Celsius |
The 140U-I6C3-C80 UL Listed Molded Case Circuit Breaker is an I-Frame circuit breaker that is designed to provide thermal overcurrent protection and short-circuit protection to a wide range of industrial control panel applications. It can be used in reverse feed applications, control circuit applications, feeder circuit applications, high-intensity discharge applications, and Heating, Air Conditioning, and Refrigeration (HACR) applications. The 140U-I6C3-C80 Circuit Breaker, like all bulletin 140U Circuit Breakers, is designed around compact blueprint, offering a high interrupting rating and enhanced protection even in control panel applications with limited panel space. The 140U-I6C3-C80 Circuit Breaker has a 3-phase voltage rating of 480 Volts AC and an acceptable operating voltage range of 230 to 690 Volts AC. It has a current rating of 80 Amps, and a maximum interrupting rating of 65 kA. It has a standard insulation voltage rating of 750 Volts and an impulse withstand rating of up to 6000 Volts.
The 140U-I6C3-C80 Circuit Breaker has an electrical life cycle of about 10,000 operations, and it also has rated a mechanical lifespan of 100,000 operations. It comes with a 3-pole design and it is supplied with a standard end cap line and load end terminal for easy field wiring. The 140U-I6C3-C80 Circuit Breaker comes with fixed thermal and fixed magnetic trip units that are designed to provide fast-acting trip actions by using a bimetal heat element and reverse loop contact. It has a temperature-dependent trip unit, and it is rated for use within a -8 to 60 degrees Celsius temperature range. The 140U-I6C3-C80 Circuit Breaker is also designed for installation at an altitude of up to 2000 meters, and it is UL, CSA, IEC, and CE certified.
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The Allen-Bradley 140U-I6C3-C80 Circuit Breaker is a UL listed circuit breaker with a fixed thermal and fixed magnetic trip unit. It has a 65 kA interrupting rating at 480 Volts AC and a continuous current rating of 80 Amps.