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Allen Bradley 140M Circuit Breakers 140MT-D9N-B40

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140MT-D9N-B40

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The 140MT-D9N-B40 from Allen Bradley is a motor circuit protector designed for reliable electrical safety. This unit features a 3-pole configuration and operates at a rated voltage of 690 VAC, suitable for various applications.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
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 140MT-D9N-B40

ManufacturerAllen Bradley
Product TypeMotor Circuit Protector
Product Line140M Circuit Breakers
Part Number140MT-D9N-B40
Weight0.75 lbs (0.34 kg)
UPC191326562348
Poles3-pole
Rated Voltage690 VAC
Trip TypeMagnetic only
Insulation Voltage690 V
MountingDIN-rail
Rated Current4A
Frequency50/60 Hz
Magnetic TripFixed, 14×Ie
ConstructionOpen style
Terminal TypeScrew terminals
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The 140MT-D9N-B40 model, a motor circuit protector by Allen Bradley in the 140M Circuit Breakers series, provides essential safety for motor control applications. It operates at a voltage rating of up to 690 VAC, offering robust protection in demanding setups. This particular model consists of three poles and is suitable for a range of electrical configurations.

Designed with a fixed magnetic trip capable of handling 14 times the designated rate, this circuit protector is dependable under varying load conditions. Its insulation rating reaches 690 V, ensuring adequate defense against electrical surges. The device is efficiently mounted on DIN-rail, promoting a compact and organized installation in control panels or electrical enclosures.

With a rated current of 4 Amperes, it contributes effectively to maintaining circuit integrity. This unit is compliant with frequency requirements of both 50 and 60 Hz, allowing for versatility in different operational environments. The construction features an open style design, making the internal components accessible for inspection. Screw terminals provide reliable connectivity for easy wiring, ensuring that the connections remain secure throughout the operation.