Allen-Bradley 140MT-C3E-C10 Motor Protection Circuit Breaker, C Frame, 6.3 10A, Trip Cl
$139.99
Out of stock
Request QuoteAllen-Bradley 140MT-C3E-C10 — The Allen-Bradley 140MT-C3E-C10 is a Bulletin 140MT-C motor protective switching device (MPCB / motor circuit protector) with a 6.3–10 A adjustable thermal trip and a fixed magnetic trip at 14 × Ie (140 A). The C-frame device covers motor ratings up to 5 HP @ 480V AC (7.5 HP @ 575V AC) with Trip Class 10. Standard breaking capacity is 65 kA @ 230V AC, 50 kA @ 480V AC, 30 kA @ 600V AC (UL 60947 and IEC 60947-2 A-category). The 140MT-C is designed for motor branch-circuit protection in group-installation and motor-disconnect applications, mounting on 35 mm DIN rail with Type 2 coordination against common 100-series contactors (e.g., 100-C09 / 100-K09).
| Product Family | Bulletin 140MT-C Motor Protective Switching Device / MPCB |
| Frame Size | C-Frame (max Ie = 32 A) |
| Thermal Trip Range (Adjustable) | 6.3–10 A |
| Magnetic Trip | Fixed at 14 × Ie (140 A) |
| Trip Class | 10A |
| Standards | IEC/EN 60947-1/-2/-4-1, UL 60947, CSA C22.2 No. 60947 |
| Mounting | 35 mm DIN rail (EN 60715) |
PLC Exchange is not an authorized distributor: Original Packaging is synonymous with Used Surplus. See Original Packaging or Warranty for more information.
Description
Allen-Bradley 140MT-C3E-C10
The Allen-Bradley 140MT-C3E-C10 is a Bulletin 140MT-C motor protective switching device (MPCB / motor circuit protector) with a 6.3–10 A adjustable thermal trip and a fixed magnetic trip at 14 × Ie (140 A). The C-frame device covers motor ratings up to 5 HP @ 480V AC (7.5 HP @ 575V AC) with Trip Class 10. Standard breaking capacity is 65 kA @ 230V AC, 50 kA @ 480V AC, 30 kA @ 600V AC (UL 60947 and IEC 60947-2 A-category). The 140MT-C is designed for motor branch-circuit protection in group-installation and motor-disconnect applications, mounting on 35 mm DIN rail with Type 2 coordination against common 100-series contactors (e.g., 100-C09 / 100-K09).
| MPCB Overview | |
|---|---|
| Catalog Number | 140MT-C3E-C10 |
| Product Family | Bulletin 140MT-C Motor Circuit Protector |
| Frame | C-Frame (maximum rated current 32 A) |
| Trip Unit | Thermal-magnetic, adjustable thermal 6.3–10 A, magnetic fixed at 14 × Ie |
| Disconnect Function (IEC/EN 60947-2) | Yes |
| Utilization Category | IEC 60947-2: A (breaker); IEC 60947-4-1: AC-3 (motor starter) |
| Motor Ratings (Typical) | |
|---|---|
| Full Load Current Range (Thermal Adj) | 6.3–10 A |
| HP @ 240V AC 3-phase | 2 HP |
| HP @ 480V AC 3-phase | 5 HP |
| HP @ 575V AC 3-phase | 7.5 HP |
| Magnetic Trip Current | 140 A (14 × Ie) |
| Power Loss (3 Poles) | 7.2 W |
| Short-Circuit / Breaking Capacity | |
|---|---|
| Icu @ 230V AC | 65 kA |
| Icu @ 400V AC | 65 kA |
| Icu @ 440V AC | 65 kA |
| Icu @ 480V AC (UL/IEC) | 50 kA / 80 kA |
| Icu @ 500V AC | 30 kA |
| Icu @ 600V AC (UL) | 50 kA |
| Rated Operating Voltage Ue | 690V AC |
| Rated Impulse Withstand Uimp | 6 kV |
| Contact Life | |
|---|---|
| Mechanical Life | 100,000 cycles |
| Electrical Life (0.1–16 A) | 100,000 cycles |
| Electrical Life (20–32 A) | 50,000 cycles |
| Phase Loss Sensitivity | Yes |
| Type 2 Coordination (Contactor Pairings) | |
|---|---|
| IEC Contactor (100-K series) | 100-K09 — 65 kA @ 240V AC, 30 kA @ 480V AC |
| IEC Contactor (100-C series) | 100-C09 — 65 kA @ 240V AC, 30 kA @ 480V AC |
| Matching Fault Coordination | Type 2 per IEC 60947-4-1 |
| Physical / Environmental | |
|---|---|
| Mounting | 35 mm DIN rail (EN 60715) |
| Degree of Protection (Housing) | IP20 |
| Degree of Protection (Main Terminals) | IP10 |
| Pollution Degree | 3 |
| Operating Temperature (Open, Compensated) | -25…+55 °C (-13…+131 °F) |
| Operating Temperature (Open) | -25…+70 °C (-13…+158 °F) |
| Operating Temperature (Enclosed) | 0…+40 °C (32…104 °F) |
| Shock Resistance | 25 G / 11 ms per IEC 60068-2-27 |
| Vibration Resistance | 5 G / 3…150 Hz per IEC 60068-2-6 |
| Group Mounting | |
|---|---|
| Side-by-Side Mounting | Up to 40 °C (104 °F) ambient — zero minimum horizontal spacing |
| Vertical Clearance (Same Device) | 150 mm (5.9 in.) |
| Vertical Clearance to Conductive Board | 75 mm (2.96 in.) |
| Certifications | |
|---|---|
| IEC | IEC/EN 60947-1, IEC/EN 60947-2, IEC/EN 60947-4-1 |
| cULus | UL 60947-1, UL 60947-4-1, CSA C22.2 No. 60947-4-1 |
| Global | RINA (Marine) |
| Regional | CCC (China), KC (Korea), EAC (Russia), CE, IEC, cULus, CB Scheme |
PLC Exchange Original Packaging is synonymous with Used Surplus. Because we are not an authorized distributor, we are not legally allowed to claim these items as “New”, “Factory Sealed”, or any other term that may imply such. We have over 10 years of experience working with trusted suppliers to make sure you receive the top-quality hardware you need. Used Surplus items ship in their original packaging, with the same function and contents as OEM-supplied materials. PLC Exchange is an independent supplier of industrial automation products and is not affiliated with the brand manufacturer or any of its authorized distributors. All warranties are provided directly by PLC Exchange. Trademarks, logos, and brand names referenced are property of their respective owners and are used for descriptive identification only.
Disclaimer: PLC Exchange is an independent reseller and is not an authorized distributor, affiliate, licensee, partner, or agent of Allen-Bradley / Rockwell Automation. All product information on this page is compiled from publicly-available manufacturer publications, technical data sheets, and catalog sources, each of which remains the copyright of its originating manufacturer. We make no representation or warranty, express or implied, regarding the accuracy, completeness, timeliness, or fitness for any particular purpose of the specifications or descriptions shown — content may contain errors, omissions, or out-of-date information. Product images are the property of their respective manufacturers, trademark owners, and source publications, and are displayed solely for identification purposes under the nominative fair use doctrine; images are representative and may depict a different configuration or catalog variant than the exact product listed. Purchasers should independently verify specifications against the current manufacturer publication before placing an order. All product names, trademarks, service marks, and registered trademarks are the property of their respective owners, and their use does not imply endorsement or affiliation.
Technical Notes for 140MT-C3E-C10
- Refer to the manufacturer's installation instructions for proper mounting, wiring, and configuration.
- Ensure compatibility with your existing system architecture before ordering.
- All 140MT-C3E-C10 units sold by PLC Exchange are tested and ship in original factory packaging.
- For application-specific questions or system compatibility verification, contact PLC Exchange technical support at [email protected] or 980-202-0882.
Alternative Part Numbers & Names for 140MT-C3E-C10
The 140MT-C3E-C10 by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- 140MTC3EC10
- Allen Bradley 140MT-C3E-C10
- Allen-Bradley 140MT-C3E-C10
- 140MT C3E C10
All variations refer to the same Allen-Bradley product. If you are unsure whether this is the correct part for your application, contact our team for assistance.
Additional information
| Weight | 0.5 lbs |
|---|---|
| Dimensions | 12 × 10 × 6 in |
| warranty | 2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery |
| upc | 191326561891 |
| mpn | 140MT-C3E-C10 |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
Dimensions & Weight for 140MT-C3E-C10
| Shipping Dimensions | |
|---|---|
| Weight | 0.5 lbs |
| Length | 12 in |
| Width | 10 in |
| Height | 6 in |
| Box Dimensions (L×W×H) | 12 × 10 × 6 in |
Dimensions shown are for the shipping package. For module-level mechanical dimensions, refer to the manufacturer datasheet.
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Frequently Asked Questions
Where can I find the technical datasheet for the 140MT-C3E-C10?
The official manufacturer datasheet is available for download on the 140MT-C3E-C10 product page at PLC Exchange. Look for the Tech Data PDF link in the product description.
Does the 140MT-C3E-C10 include a warranty?
Yes. Every 140MT-C3E-C10 sold by PLC Exchange includes a 2.5-year warranty (30 months, full replacement). Details: https://plcexchange.net/warranty-information/
What is the return policy for the 140MT-C3E-C10?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my 140MT-C3E-C10 ship?
In-stock orders placed before 4 PM ET ship the same business day via free UPS Ground. Expedited options (Next Day Air, 2nd Day Air) are available at checkout.
Who manufactures the 140MT-C3E-C10?
The 140MT-C3E-C10 is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.
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