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Allen Bradley 140M Circuit Breakers 140M-J8P-D17

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140M-J8P-D17

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The 140M-J8P-D17 is a motor circuit protector from Allen Bradley's 140M circuit breaker series. It is designed with three poles and supports a continuous current rating of 175 A, optimized for reliable protection in various applications.

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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-J8P-D17

ManufacturerAllen Bradley
Product TypeMotor Circuit Protector (MCP)
Product Line140M Circuit Breakers
Part Number140M-J8P-D17
Weight6.00 lbs (2.72 kg)
Number of Poles3 Poles
Continuous Current Rating (Iu)175 A
Trip TypeMagnetic (Magnetic Only)
Magnetic Trip Adjustment Range875 → 1750 A
Interrupting Rating35 → 65 kA at 480 V AC
Rated Operational Voltage200 → 690 V AC
Rated Insulation Voltage (Ui)1000 V
Impulse Withstand Voltage (Uimp)8 kV
HP Rating40 HP at 230 V AC, 3-Phase
kW Rating90 kW at 400/415 V AC, 3-Phase
Connection TypeScrew Terminals
Control ElementToggle Lever
Auxiliary Contact Configuration1 N.O. and 1 N.C.
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Part number 140M-J8P-D17 is an exemplary motor circuit protector from the Allen Bradley 140M circuit breaker series. This device is engineered with three poles, effectively handling continuous currents up to 175 A. It operates with a magnetic trip mechanism, which can be adjusted between 875 and 1750 A, facilitating customization for various application needs.

The unit is formidable with an interrupting rating of 35 to 65 kA, specifically at 480 V AC, ensuring it can successfully manage fault situations. This motor circuit protector is designed for operational voltages between 200 and 690 V AC, providing versatility across a wide range of installations. Furthermore, it has a rated insulation voltage of 1000 V, along with an impulse withstand voltage of 8 kV, enhancing its robustness under electrical stress.

When it comes to motor compatibility, the 140M-J8P-D17 can handle up to 40 HP at 230 V AC in 3-phase configurations and up to 90 kW at 400/415 V AC, making it suitable for various motor-driven applications. The connection type utilizes screw terminals for efficient wiring, while operation is managed via a toggle lever control element. For added functionality, the design includes an auxiliary contact configuration with one normally open (N.O.) and one normally closed (N.C.) contact, which can provide additional operational flexibility.