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Allen Bradley 140M Circuit Breakers 140M-I8R-D15-CX

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140M-I8R-D15-CX

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The 140M-I8R-D15-CX from Allen Bradley is a robust motor circuit protector circuit-breaker designed to deliver reliable performance. It has a current rating of 150 A and features a high breaking capacity for enhanced safety protocols in electrical systems.

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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-I8R-D15-CX

ManufacturerAllen Bradley
Product TypeMotor Circuit Protector Circuit-Breaker
Product Line140M Circuit Breakers
Part Number140M-I8R-D15-CX
Weight10.00 lbs (4.54 kg)
UPC612598433824
Current Rating150 A
Interrupting Rating/Breaking CapacityHigh Break
Rated Insulation Voltage690 V
Pollution DegreeDegree 3
Number of Poles3-Poles
Frequency Rating50/60 Hz
Phase3-Phase
Magnetic Trip Range750…2500 A
Motor Rating (230 V)30–40 HP
Vibration5 G
Shock30 G
Ambient Operating Temperature-25...+60
Ambient Storage Temperature-40...+80
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The 140M-I8R-D15-CX by Allen Bradley is a specialized motor circuit protector circuit-breaker structured for safeguarding electrical circuits. Its current rating stands at 150 A, providing robust protection for motor circuits during operational use. The breaker’s high interrupting rating indicates its capacity to manage severe fault conditions, which is critical for safety in electrical systems. It is engineered to work efficiently under a rated insulation voltage of up to 690 V.

The design consists of three poles, making it suitable for 3-phase applications. This model typically operates within frequency ratings of 50 or 60 Hz, providing flexibility for various installations. It features a magnetic trip mechanism with a range of 750 to 2500 A, which enhances its usability for different motor ratings—specifically, it supports motors of 30 to 40 HP when operating at a voltage of 230 V.

Constructed to endure harsh environmental conditions, it is rated for pollution degree 3, allowing it to function effectively in settings with moderate contamination risks. It exhibits a vibration tolerance of 5 G and can withstand shocks up to 30 G, ensuring reliability during dynamic conditions. The device is designed to operate within an ambient temperature range of -25 to +60 degrees Celsius, with a storage temperature capacity of -40 to +80 degrees Celsius. This broad range gives it versatility for various installations in different industrial environments.