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Allen Bradley 140U MCB 140U-I6C3-C20-M
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with DO Supply's 2-year warranty.
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140U-I6C3-C20-M

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The 140U-I6C3-C20-M molded case circuit breaker is an Allen-Bradley/Rockwell Automation Bulletin 140U series molded case circuit breaker. It supports thermal/magnetic tripping for protecting the circuits of industrial devices. The 140U-I6C3-C20-M molded case circuit breaker has a trip unit that is not interchangeable with other Bulletin 140U series trip units. It also has a Size I frame and 3 poles. The 140U-I6C3-C20-M molded case circuit breaker operates at a current rating of 20 Amps and at voltage ratings of 600 Volts AC or 250 Volts DC.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with DO Supply's 2-year warranty.
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Technical specifications for 140U-I6C3-C20-M

BrandAllen-Bradley / Rockwell Automation
Series140U MCB
Part Number140U-I6C3-C20-M
DescriptionUL Molded Case Circuit Breaker
FrameI
Current Rating20
Interrupting Rating65 Kilo-Amps (KA)
Protection TypeFixed Thermal/Magnetic Trip Unit
Number of Poles3
Rated Operating Voltage480 Volts AC
Type of ControlToggle Lever
TerminalsEnd Cap Bolt-On
Operating Temperature-8 to 60 Degrees Celsius
Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

The 140U-I6C3-C20-M Molded Case Circuit Breaker is an industrial-based circuit breaker by Allen-Bradley that is designed to provide thermal overcurrent protection and short-circuit protection to a wide variety of industrial control panel applications. The 140U-I6C3-C20-M Circuit Breaker belongs to the discontinued I-Frame circuit breaker series, it is designed with a small footprint for tight panel space applications, and it also comes with up to 6 times higher interrupting ratings than traditional breakers. The 140U-I6C3-C20-M Circuit Breaker is designed for control circuits, HACR (Heating, Air Conditioning, and Refrigeration) applications. The 140U-I6C3-C20-M Molded Case Circuit Breaker comes with non-interchangeable trip units and lugs and it can be wired for IP2X ratings.

The 140U-I6C3-C20-M Circuit Breaker has a nominal current rating of 20 Amps and a high breaking capacity of 65 kA. It has an acceptable voltage range between 230 Volts AC and 690 Volts AC (50/60 Hertz) and a rated impulse withstand of 6000 Volts. The 140U-I6C3-C20-M Circuit Breaker has a 100,000 operations mechanical life cycle, and a 10,000 operations electrical life cycle. It comes with a non-interchangeable thermal and magnetic trip unit that offers fast-acting thermal and instantaneous trip actions via a bi-metallic heat element and a reverse loop contact. It comes with the standard end cap line and load side terminals, and it is shipped with mounting hardware that allows for easy field installation. The 140U-I6C3-C20-M Circuit Breaker has an operating temperature range of -8 to 60 degrees Celsius and a maximum installation height of 200 meters without de-rating. It has an average weight of 1.36 kilograms, and approximate dimensions of 140 x 76 x 76 millimeters (height x width x depth).

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