Allen-Bradley 140MT-C3E-B25 Motor Protection Circuit Breaker, C Frame, 1.6 2.5A, Trip C
$149.99
Out of stock
Request QuoteAllen-Bradley 140MT-C3E-B25 — The 140MT-C3E-B25 is an Allen-Bradley Motor Protection Circuit Breaker (C-Frame) with adjustable thermal/fixed magnetic protection, rated 2.5 A operational current (1.6…2.5 A adjustment range), 35 A nominal magnetic trip, suitable for 0.37…0.75 kW 3-phase motors at 230V or 0.75…1.5 kW at 400/415V, UL/CSA Listed for manual motor controller and group motor installation applications.
| Rated Operational Current (Ie) | 2.5 A |
| Motor Current Adjustment Range | 1.6…2.5 A |
| Nominal Magnetic Trip Current | 31.3 A |
| Max. Short-Circuit Current (400V Icu) | 100 kA |
| Frame Size / Voltage Rating | C-Frame / 690V AC (600V UL/CSA) |
| Trip Class / Overload Protection | 10A / Adjustable Thermal/Fixed Magnetic (14 x In) |
Description
Allen-Bradley 140MT-C3E-B25
The 140MT-C3E-B25 is an Allen-Bradley Motor Protection Circuit Breaker (C-Frame) with adjustable thermal/fixed magnetic protection, rated 2.5 A operational current (1.6…2.5 A adjustment range), 35 A nominal magnetic trip, suitable for 0.37…0.75 kW 3-phase motors at 230V or 0.75…1.5 kW at 400/415V, UL/CSA Listed for manual motor controller and group motor installation applications.
| Product Overview | |
|---|---|
| Bulletin Number | 140MT |
| Frame Size | C-Frame |
| Maximum Current Ie | 32 A |
| Function Code | E (Adjustable Thermal/Fixed Magnetic MPCB) |
| Type Designation | Motor Protective Switching Device (MPSD) |
| UL/CSA Listing | Manual Motor Controller, Suitable as Motor Disconnect, Suitable for Group Installation |
| Electrical Specifications | |
|---|---|
| Rated Operating Voltage Ue (IEC) | 690V AC |
| Maximum Operating Voltage (UL/CSA) | 600V AC |
| Rated Frequency | 50/60 Hz |
| Rated Operational Current (Ie) | 2.5 A |
| Motor Current Adjustment Range | 1.6…2.5 A |
| Nominal Magnetic Trip Current | 31.3 A |
| Magnetic Release Setting (14 x In) | 35 A (±20%) |
| Trip Class | 10A |
| Short-Circuit Rating @ 230V AC (Icu) | 100 kA |
| Short-Circuit Rating @ 400V AC (Icu) | 100 kA |
| Short-Circuit Rating @ 690V AC (Icu) | 30 kA |
| Utilization Category (IEC 60947-4-1) | AC-3 (Motor Starter) |
| Motor and Power Ratings | |
|---|---|
| Max. 3-phase HP @ 200V | 0.5 |
| Max. 3-phase HP @ 230V | 0.75 |
| Max. 3-phase HP @ 460V | 1.5 |
| Max. 3-phase HP @ 575V | 2 |
| Max. kW 3-Phase AC-3 @ 230V | 0.37 |
| Max. kW 3-Phase AC-3 @ 400/415V | 0.75 |
| Max. kW 3-Phase AC-3 @ 500V | 1.1 |
| Max. kW 3-Phase AC-3 @ 690V | 1.8 |
| Environmental & Mechanical | |
|---|---|
| Operating Ambient Temperature (Open) | -25…+70 °C (-13…+158 °F) |
| Storage Ambient Temperature | -40…+85 °C (-40…+185 °F) |
| Maximum Operating Altitude | 2000 m (6561 ft) |
| Degree of Protection (Housing) | IP2X |
| Mounting | DIN Rail (EN 60715) |
| Rated Impulse Withstand Voltage Uimp | 6 kV |
| Pollution Degree | 3 |
| Resistance to Shock (IEC 60068-2-27) | 25 G/11 ms |
| Resistance to Vibration (IEC 60068-2-6) | 5 G / 3…150 Hz |
| Mechanical Operations & Life | |
|---|---|
| Mechanical Operations (Life Span) | 100,000 cycles |
| Electrical Operations (Ie max.) | 100,000 cycles |
| Switching Frequency | max. 25 operations/hour |
| Total Power Loss Pv (at rated load) | 5.4 W |
| Standards Compliance & Certifications | |
|---|---|
| IEC Standard | IEC/EN 60947–2, IEC/EN 60947-4-1 |
| UL/cULus Standard | UL 60947-4-1, CSA C22.2 No. 60947-4-1 |
| Regional Certifications | CCC, EAC, CE, cULus Listed, IEC, CB Scheme |
| Phase Loss Sensitivity | Yes (Differential Release) |
| Disconnect Function | Yes, per IEC/EN 60947-2 |
| Application Ratings (UL 60947-4-1) | |
|---|---|
| Max. Fuse or Circuit Breaker per NEC | 450 A |
| Group Motor Installation @ 480V | 65 kA max. short-circuit current |
| Group Motor Installation @ 600V | 30 kA max. short-circuit current |
| Motor Disconnect @ 480V | 65 kA max. short-circuit current |
| Motor Disconnect @ 600V | 30 kA max. short-circuit current |
| Suitable for Tap Conductor Protection | Yes (480Y/277V and 600Y/347V) |
| Self-Protected (Type E) @ 480V/277V | 65 kA max. short-circuit current |
| Self-Protected (Type E) @ 600V/347V | 30 kA max. short-circuit current |
| Connection Characteristics (≤16 A) | |
|---|---|
| Connection Type | Screw Clamp, M3.5 / Pozidriv No.2 |
| Solid Wire (1 or 2 conductors) | 1…4 mm² |
| Flexible with Ferrule (1 or 2) | 0.75…2.5 mm² |
| Flexible/Finely Stranded (1 or 2) | 0.75…2.5 mm² / No. 16…12 AWG |
| Stranded per UL/CSA (1 or 2) | 1…4 mm² / No. 16…12 AWG |
| Stripping Length | 9 mm (0.35 in.) |
| Tightening Torque | 0.8…1.2 N•m (7…10 lb•in) |
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-B25
- 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-B25 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-B25
The 140MT-C3E-B25 by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- 140MTC3EB25
- Allen Bradley 140MT-C3E-B25
- Allen-Bradley 140MT-C3E-B25
- 140MT C3E B25
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 | 1.8 × 1.8 × 3.8 in |
| warranty | 2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery |
| upc | 191326561860 |
| mpn | 140MT-C3E-B25 |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
Dimensions & Weight for 140MT-C3E-B25
| Shipping Dimensions | |
|---|---|
| Weight | 0.5 lbs |
| Length | 1.8 in |
| Width | 1.8 in |
| Height | 3.8 in |
| Box Dimensions (L×W×H) | 1.8 × 1.8 × 3.8 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-B25?
The official manufacturer datasheet is available for download on the 140MT-C3E-B25 product page at PLC Exchange. Look for the Tech Data PDF link in the product description.
Does the 140MT-C3E-B25 include a warranty?
Yes. Every 140MT-C3E-B25 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-B25?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my 140MT-C3E-B25 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-B25?
The 140MT-C3E-B25 is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.

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