Free UPS Ground on All Orders!
+1 (919) 205-4392
Allen Bradley 140U MCB 140U-MTD3-D60

Product image is representative; revision or series may vary. Contact us to request a specific version.

140U-MTD3-D60

|

The 140U-MTD3-D60 part by Allen Bradley functions as a thermal-magnetic trip unit designed for use with molded case circuit breakers, particularly compatible with M frame sizes. This unit also serves as a spare and can be adjusted for magnetic trip ratings between 3000 and 6000 Amps, with a thermal trip rating of 600 Amps.

In Stock
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.
Learn more
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 140U-MTD3-D60

ManufacturerAllen Bradley
Product TypeTrip Unit
Product Line140U MCB
Part Number140U-MTD3-D60
Weight12.00 lbs (5.44 kg)
Spare Part/AccessoryYes
Compatible Circuit Breaker TypeMolded Case Circuit Breakers
Trip TypeThermal-Magnetic
Circuit Breaker Frame SizeM Frame
Magnetic Trip Rating3000-6000 Amps (Adjustable)
Thermal Trip Rating600 Amps
Operating Temperature-8.9 to 60 degrees Celsius
Storage Temperature-8.9 to 60 degrees Celsius
Maximum Operating Humidity80% RH, non-condensing
Maximum Storage Humidity80% RH, non-condensing
Maximum Operating Altitude1000m without derating
Maximum Storage Altitude1000m without derating

The Allen Bradley 140U-MTD3-D60 is a trip unit designed primarily for molded case circuit breakers. This unit qualifies as an accessory and features a thermal-magnetic trip mechanism. Its adaptability allows it to suit the M frame circuit breaker size, making it a versatile choice for various applications. For those seeking customization, the magnetic trip rating is adjustable from 3000 to 6000 Amps, providing flexibility to meet specific operational needs. The thermal trip is fixed at 600 Amps, ensuring reliable protection against overloads.

Operating under diverse environmental conditions, the 140U-MTD3-D60 can function within a temperature range of -8.9 to 60 degrees Celsius, which is consistent for both operation and storage. Humidity tolerance is maintained at a maximum of 80% relative humidity for non-condensing conditions, suitable for various installation settings. This trip unit's performance is further enhanced by its capability to operate at altitudes up to 1000 meters without derating, ensuring sustained reliability in high-altitude applications as well. Overall, the 140U-MTD3-D60 is engineered to provide dependable circuit protection and adaptability in demanding environments.