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Allen Bradley 140U MCB 140U-KTD3-D40
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-KTD3-D40

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The Allen-Bradley 140U-KTD3-D40 molded case circuit breaker is part of the 140U MCB product line. The unit has a K Frame with 400 Amps of current rating and it features a trip unit with fixed thermal and adjustable magnetic protection. This three-pole circuit breaker has a current ratingĀ of 4000 Amps.

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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-KTD3-D40

BrandAllen Bradley/Rockwell Automation
Series140U MCB
Part Number140U-KTD3-D40
Product LineMolded Case Circuit Breaker
Frame SizeK
Current Rating 400 Amperes
Current Range4000 Amperes
Bulletin140U
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 Allen-Bradley 140U-KTD3-D40 molded case circuit breaker is part of the 140U MCB product line. The unit has a K Frame with 400 Amps of current rating and it features a trip unit with fixed thermal and adjustable magnetic protection. This three-pole circuit breaker has a current range of 4000 Amps. Some of the features of the K Frame circuit breakers are field-installed internal control modules, molded case switches, rotary operators, and flex cable operators. The 140U-KTD3-D40 molded case circuit breakerĀ also comes with high interrupting ratings in compact dimensions and field-installed or factory-installed accessories. It isĀ globally approved and listed for universal applications aroundĀ the world. The 140U-KTD3-D40 circuit breaker also comes with an interrupting rating of 35 kiloamps at 600 Volts, 65 kiloamps at 380 to 415 Volts, 13 kiloamps at 690 Volts, and 65 kiloamps at 480 Volts. ThisĀ circuit breaker also hasĀ flex cable operating devices as well as rotary variable-depth operating mechanisms.

The Allen-BradleyĀ 140U-KTD3-D40 molded case circuit breaker is listed and rated for compliance with the UL 489, CE, KEMA-KEUR CSA, and IEC standards. This circuit breaker has a fixed thermal trip adjustment ratingĀ of 300 Amps and a magnetic trip adjustment range of 1500 to 3000 Amps. The 140U-KTD3-D40 circuit breaker also has a thermal-magnetic current range of 15 toĀ 800 Amps and aĀ molded case switchĀ current range of 125 toĀ 1200 Amps. It has an electric current range of 70 toĀ 1200 Amps with options including a long time or a short time setting, long time or short time or high instantaneous setting, long time or short time or ground fault setting, and a long time or short time or high instantaneous or ground fault setting.

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