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Allen Bradley 140M Circuit Breakers 140M-D8T-C20

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140M-D8T-C20

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The 140M-D8T-C20 is a motor protection circuit-breaker from Allen Bradley's 140M series. This device features a significant short-circuit capacity of 65 kA at 400 V AC and provides reliable operation for 3-phase applications up to a power rating of 10 kW.

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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 of our products come with DO Supply's 2-year warranty.
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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.

Technical specifications for 140M-D8T-C20

ManufacturerAllen Bradley
Product TypeMotor Protection Circuit-Breaker
Product Line140M Circuit Breakers
Part Number140M-D8T-C20
UPC662468964555
Weight2.00 lbs (0.91 kg)
Short-Circuit Capacity65 kA at 400 V AC
Power Rating at 400 V AC, 3-Phase10 kW
Rated Operating Current20 A
Motor Current Adjustment Range14.5-20 A
Magnetic Trip Current Level325 A
IP RatingIP20
Minimum Thermal Trip Setting14.5 A
Maximum Thermal Trip Setting20 A
High Inrush BreakerYes
FrameD-Frame
Pole Configuration3-pole
Overload Protection ClassTrip Class 10
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The 140M-D8T-C20 from Allen Bradley is specifically designed as a motor protection circuit-breaker. This device supports a short-circuit capacity rated at 65 kA when operating at 400 V AC, making it suitable for robust applications. It is built to manage an effective power rating of 10 kW at 400 V AC in three-phase systems. The rated operating current for the unit is 20 A, within which users can adjust the motor current from 14.5 A to 20 A, accommodating varying operational demands.

Additionally, the magnetic trip current level is set at 325 A, providing an essential safety mechanism against overloads. Designed with an IP20 protection rating, the 140M-D8T-C20 is suitable for installations that do not require extensive environmental shielding. The trip settings enhance its versatility, allowing a minimum thermal trip setting of 14.5 A and a maximum of 20 A. With its D-frame structure and 3-pole configuration, this circuit-breaker is ideal for applications needing high inrush capacity and complies with Trip Class 10 overload protection specifications.