Free UPS Ground on All Orders!
+1 (919) 205-4392
Allen Bradley 140U MCB 140U-D6D3-C12
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.
Learn more

140U-D6D3-C12

|

The 140U-D6D3-C12 circuit breaker is an Allen-Bradley/Rockwell Automation Bulletin 140U series compact circuit breaker. It has 3 poles and it supports fixed thermal/magnetic circuit protection. The 140U-D6D3-C12 compact circuit breaker can be used to protect feeder circuits, control circuits, and branch circuits in systems. It can operate at an AC voltage rating of 600 Volts AC and at a maximum ambient temperature rating of 40 degrees Celsius or 104 degrees Fahrenheit. The 140U-D6D3-C12 compact circuit breaker’s current rating is 12 Amps and it is CE certified.

Ships Today.
Order within 2 hrs 44 mins.
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 our products come with DO Supply's 2-year warranty.
Learn more
  • We sell industrial automation parts backed by our 2-year DO Supply Warranty.

  • Same-day domestic and expedited international shipping with UPS, FedEx, DHL, and more.

  • AMEX, Visa, MasterCard, Discover, wire transfer, and more, plus flexible payment plans.

  • Repair and exchange services for all existing automation products.

  • Reseller Options

    Drop shipping, blind shipping, and account shipping with no extra fees.

Technical specifications for 140U-D6D3-C12

Part Number140U-D6D3-C12
Product TypeMolded Case Circuit Breaker
FrameD
Rated Current12 A
Magnetic Trip15-20 A
Breaking Capacity65 kA
Interrupting Rating65 kA
Poles2 and 3
Rated Insulation Voltage690V IEC
Rated Frequency50/60 Hz
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 140U-D6D3-C12 circuit breaker is an important protection component that helps to prevent damage to equipment. This model is part of the 140U-D series by Allen-Bradley/Rockwell Automation. The unit is used in different industries and for a variety of applications. It is intended for global use and it complies with the UL and European standards. The 140U-D6D3-C12 circuit breaker provides overload protection according to the IEC/EN 60947-2, UL489, and CSA 22.2 standards. This molded-case circuit breaker has a high interrupting rating and it has a higher overall rating for panel short circuits according to the National Electrical Code (NEC). The 140U-D6D3-C12 has 3 poles and a rated current of 12 Amps. The breaking capacity at 50 Hertz operating frequency is 65 ICU/50 ICS at 400 to 415 Volts and 525 Volts, while its breaking capacity at 690 Volts is 10 ICU/6 ICS.

The 140U-D6D3-C12 breaker unit has a small footprint that reduces panel space costs and provides a 100% rating at up to a current of 15 Amps. The device can be used for back-feeding purposes at 240 Volts and 480Y/277 Volts. This unit is designed for feeder circuits, heating and air conditioning, control circuits, and switching devices. All the available accessories are meant to be installed in the field. The 140U-D series offers the following accessories: connection modules, flexible wire modules, extension shaft support, compact busbars, feeder terminals, and load terminal covers. Accessories can be ordered separately under their own catalog numbers provided by the manufacturer. The 140U-D6D3-C12 circuit breaker can be used for the main disconnect switch when combined with the accessories. The thermal-magnetic circuit breaker has a total power loss of 7.5 Watts maximum. The 140U-D6D3-C12 breaker has a solid tolerance to vibrations/shock and its ambient temperature is between -25 and 60 degrees Celsius (-13 and 140 degrees Fahrenheit).

Revision Part #Also known as
140U-D6D3-C12 Ser A140U-D6D3-C12/A, Series A, Rev A
Request a quote
Don't see your particular revision? Contact us now.

Testimonials

4.99 /5.0
Recommended
4.99 average / 907 reviews