Allen-Bradley 140M-C2E-B10 Motor Protection Circuit Breaker
$123.00
$320.00
Description
Allen-Bradley 140M-C2E-B10 Motor Protection Circuit Breaker
Configured for thermomagnetic motor branch protection in Bulletin 140M motor control assemblies, the Allen-Bradley 140M-C2E-B10 (140M-C2E Motor Protection Circuit Breaker) provides direct electrical execution for overload isolation and magnetic short-circuit interruption across three-phase feeder circuits.
Suffix Breakdown & Model Matrix
The provided documentation identifies the unit as a fixed catalog configuration within the Bulletin 140M product family. No additional suffix matrix or field-selectable option structure is specified in the supplied material.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 140M-C2E-B10 |
| Brand | Allen-Bradley |
| Product Type | Motor Protection Circuit Breaker |
| Product Family | Bulletin 140M |
| Frame Size | C-Frame |
| Number of Poles | 3 Poles |
| Operating Voltage | 230 - 690 VAC |
| Rated Current | 32 A |
| Operational Current (IEC) | 1 A |
| Adjustable Thermal Trip Range | 0.63 - 1 A |
| Magnetic Trip Current | 13 A |
| Trip Class | Class 10 |
| Switch-Off Technique | Thermomagnetic |
| Thermal Protection | Supported |
| Maximum Horsepower Rating | 0.75 HP at 575 VAC, 3-Phase |
| Control Element | Turn Button |
| Short Circuit Protection | Yes |
| Wire Size | #8-14 AWG Copper Wire |
| Torque | 6-10 Nm / 55-90 lb-in |
| Frequency | 40-60 Hz |
| Weight | 0.91 kg |
| Dimensions | Not specified in supplied documentation |
| Operating Temp | Not specified in supplied documentation |
| Power Consumption | Passive protection device; no external control power required |
| Certifications | IEC, UL, CSA referenced |
| Mounting Type | Panel-mounted motor protection breaker |
EtherNet/IP Integration and Firmware Coordination
The Bulletin 140M protection platform is commonly deployed within Allen-Bradley motor control architectures interfacing with Logix and intelligent starter assemblies. Coordination between breaker trip class, motor starter logic, and deterministic EtherNet/IP control sequencing must be validated during commissioning to prevent nuisance shutdowns during acceleration ramps or inrush conditions.
Thermomagnetic interruption behavior remains hardware-executed and independent of PLC scan execution. Protective disconnection therefore remains active during controller reboot conditions or fieldbus communication loss.
Frequently Asked Questions
Q: Does the 140M-C2E-B10 support hot replacement while energized?
A: The breaker is a mechanical protection device intended for de-energized installation and maintenance procedures. Line and load conductors should be isolated before removal or torque adjustment.
Q: What is the function of the fixed magnetic trip section?
A: The magnetic trip mechanism provides instantaneous short-circuit interruption at the specified magnetic threshold to limit motor feeder fault current exposure.
Q: Can the thermal adjustment range be modified during operation?
A: Thermal adjustment settings should only be changed under isolated conditions using the calibrated adjustment range specified for the motor full-load current.
Field Installation Guidelines
-
Verify conductor sizing against the specified #8-14 AWG copper wiring range before terminal termination.
-
Apply terminal torque within the specified 6-10 Nm range to prevent thermal rise at the power terminals.
-
Separate motor feeder conductors from low-level analog or encoder wiring to reduce electromagnetic coupling during fault interruption.
-
Confirm upstream short-circuit coordination with contactors and overload assemblies before energization.
-
Install the breaker in a clean enclosure free from conductive dust, oil vapor accumulation, and condensation exposure.
-
After installation, perform manual trip verification and continuity testing prior to connection of the motor load.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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