Description
Product Name ：140M-C2E-C20 Allen‑Bradley I/O module
Product details:
The Allen-Bradley 140M-C2E-C20 is a Bulletin 140M Motor Protection Circuit Breaker (MPCB) manufactured by Rockwell Automation. It provides a compact, current-limiting solution for motor control and protection, combining the functions of a short-circuit disconnect, magnetic trip, thermal overload relay, and manual switching into a single, space-saving device.
Technical Specifications
| Parameter | Specification |
| Brand | Allen-Bradley / Rockwell Automation |
| Model / Catalog No. | 140M-C2E-C20 |
| Series | 140M (C-Frame) |
| Type | Motor Protection Circuit Breaker (MPCB) / Manual Motor Starter |
| Number of Poles | 3-Pole (3P) |
| Current Adjustment Range | 14.0 A to 20.0 A |
| Magnetic Trip Current | 260 A (Fixed fixed-instantaneous short-circuit trip) |
| Rated Operational Voltage | Up to 690V AC |
| Rated Frequency | 50 / 60 Hz |
| Interrupting Capacity | Standard (E-Break Capacity type) |
| Trip Class | Class 10 (Standard motor protection) |
| Actuator Type | Rotary Knob (Lockable in OFF position) |
Key Product Advantages
- Space-Saving Design: Integrates short-circuit protection, thermal overload protection, and manual switching into one component, reducing panel space and wiring costs.
- Coordinated Protection: Offers Type 2 coordination when paired with Allen-Bradley Bulletin 100-C contactors, allowing the system to quickly return to service after a fault without component damage.
- Current Limiting: Features high fault-current-limiting capabilities, rapidly isolating downstream faults and protecting sensitive equipment.
- Global Compliance: Meets worldwide standards including UL, CSA, CE, and IEC/EN 60947, making it suitable for global machinery exports.
- Easy Expansion: Supports a wide range of snap-on accessories such as auxiliary contacts, trip indicators, shunt trips, and undervoltage releases.
Applications
The 140M-C2E-C20 is primarily used in industrial automation and motor control centers (MCCs) for protecting three-phase AC motors. Common applications include:
- Conveyor Systems & Material Handling
- Pumps, Fans, and Blowers
- Compressors and HVAC Systems
- Machine Tooling and Manufacturing Equipment
- Group Motor Installations (where multiple motors are branched from a single branch circuit)
Important Precautions & Installation Notes
⚠️ Warning: Always isolate and lock out all power sources before installing, wiring, or servicing this device to prevent electrical shock or equipment damage.
- Current Setting: Ensure the thermal overload dial on the front of the unit is adjusted precisely to the Full Load Amps (FLA) listed on the connected motor’s nameplate. Improper settings will result in nuisance tripping or inadequate thermal protection.
- Phase Loss Protection: This device features phase-failure sensitivity. If one phase drops out, the breaker will trip faster than a standard overload to protect the motor from overheating. Ensure all three phases are balanced during commissioning.
- Environmental Limits: Install the device in a clean, dry enclosure free from conductive dust, corrosive vapors, or excessive humidity. Check the datasheet for the exact operational ambient temperature range (typically -25^\circC to +60^\circC).
- Terminal Torque: Tighten the power terminal screws to the manufacturer-specified torque ratings to avoid high-resistance connections, which can lead to overheating and premature failure.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
The following are other related models. If you can’t find the product you need, please contact us. Thank you
| 440F-M0727DYNN | Allen‑Bradley |
| 440F-M0921DYNN | Allen‑Bradley |
| 440L-R4F0020-Q | Allen‑Bradley |
| 440L-R4F1570-Q | Allen‑Bradley |
| 440T-MDALE100B0C | Allen‑Bradley |
| 440T-MDALE100B0D | Allen‑Bradley |
| 440T-MDALE10AAAB | Allen‑Bradley |
| 440T-MDALE10ABAC | Allen‑Bradley |
| 440T-MDALE10ABAD | Allen‑Bradley |
| 440T-MDALE10APAR | Allen‑Bradley |
| 440T-MDALE10BABB | Allen‑Bradley |
JUSTWELL PTE. LTD. sells new and discontinued products, and purchases such specialty products through independent channels. JUSTWELL PTE. LTD. is not an authorized distributor, distributor, or representative of the featured products on this website. All product names/images, trademarks, brands, and logos used on this website are the property of their respective owners. Product descriptions, descriptions, or sales with these name images, trademarks, brands, and logos are for identification purposes only and do not imply any association or authorization with any rights holders.
This article is from the official website of JUSTWELL PTE. LTD. If reprinted, please attach this link:https://www.justwellcenter.com/
All other brand or product names mentioned in this document may be trademarks or registered trademarks of their respective holders.
