140M-F8E-C45-CX-KY-MT

Motor Protection Circuit-Breaker

Name: Motor Protection Circuit-Breaker
Brand: Rockwell Automation
SKU: 140M-F8E-C45-CX-KY-MT

Serial #:

Lifecycle status: Discontinued

Rockwell Automation announces that as of March 31, 2025, the Motor Protection Circuit-Breaker will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)

Discontinued Date: March 31, 2025 Replacement Category: Engineering Replacement Replacement Product: See Migration Documentation [https://www.rockwellautomation.com/en-us/support/product/product-compatibility-migration/product-lifecycle-status/migration-documents.html]

Product at a glance

Replacement Available

Lifecycle status: Discontinued

Product at a glance

Replacement Available

Unique Product Identifier	140M-F8E-C45-CX-KY-MT
UPC	662074939923
Estimated Lead Time	85 days
Standard Warranty Duration	1 year See details
Country of Origin	Switzerland

The information provided by Rockwell Automation on www.rockwellautomation.com (the “Site”) is for demonstration purposes only and may be incomplete or inaccurate. All information is provided “as is”, and Rockwell Automation makes no representations or warranties of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, or completeness of any information on the Site. Use of this information is at your own risk.

Amperage Rating	32 - 45A,MxRtg MCPs(no OvPrt)is 1200.0A
Application	Mtr Prt Circuit Breaker

With integrated auxiliary switch	False
With integrated under voltage release	False
Rated short-circuit breaking capacity lcu at 400 V, AC	65 kA
Rated operation power at AC-3, 400 V	22 kw
Rated permanent current Iu	45 A
Rated operation power at AC-3, 230 V	13 kw
Rated operating voltage	230 A
Type of control element	Turn button
Overload release current setting	32 A
Type of electrical connection of main circuit	Screw connection
Magnetic release current per IEC	585 A
Magnetic trip current, nom	585 A
Rated operational current (Ie) per IEC	45 A
Rated supply current (Ie)	6.3 A
Short circuit current (Icu) for group motor installation, max	65kA @ 480V
Short circuit current (Type 2 coordination) with 100-C IEC contactor, max	65kA @ 480V
Current range	32...45 A
Ultimate short circuit breaking capacity (Icu) per IEC	65kA @ 400/415V AC
Rated service short circuit breaking capacity (Ics) per IEC	6kA @ 690V AC
Insulation voltage (Ui)	Rated 690V per IEC
Hp rating, max	40Hp @ 575V, 3-phase
Electrical life cycle	30000 ops (Ie maximum)
Short circuit current for self-protected combination motor controller with 100-C contactor, max	65 kA @ 480Y/277V, UL 508-Type E
Switching of standard motors per IEC	40 kW @ 690V (AC-3), 3-phase
KW rating, max	40 kW @ 690V (AC-3), 3-phase
Back up fuse (gG, gL) current rating (if Icc ≥ Icu ) per IEC	No back-up fuse required @ 230/240V AC
Short circuit current for combination motor controller with 100-C IEC contactor, max	65 kA @ 480Y/277V, UL 60947-4-1-Type F
Total power loss (Pv) for circuit breaker	7…22 W @ rated load/operating temperature
Short circuit current for group motor installation with 100-C IEC contactor, max	65kA @ 480V, UL 60947-4-1-manual motor controller
Short circuit current for motor disconnect with 100-C IEC contactor, max	65kA @ 480V, UL 60947-4-1-manual motor controller
Rated thermal current (Ith)	6.3...45 A up to 60 °C (140 °F) ambient temperature
Short circuit current for tap conductor protection, max	65 kA @ 480Y/277V, UL 60947-4-1-manual motor controller
Short circuit current for combination motor controller, max	65kA @ 480V/277V, UL 60947-4-1 self-protected (Type E)
Fuse or circuit breaker per NEC, max	600 A, UL 60947-4-1-manual motor controller
Rated impulse withstand voltage (Uimp)	Main circuits (Uimp)/overvoltage category: 6 kV/III, 8 kV (disconnect)
Short circuit current for group motor installation, max	65kA @ 480V, UL 60947-4-1-manual motor controller
Short circuit current for motor disconnect, max	65kA @ 480V, UL 60947-4-1-manual motor controller
Number of poles	3
With thermal protection	True
Phase failure sensitive	True
Switch off technique	Thermomagnetic
Switching frequency, max	25 ops/h
Trip class	10
Rated frequency	45 Hz
Phase loss protection	Differential release
Fuse or circuit breaker rating with 100-C IEC contactor per NEC, max	600 A, UL 60947-4-1-manual motor controller

Ambient storage temperature	-40 °C
Ambient operating temperature	-25 °C
Ambient temperature compensation	-25 °C
Site altitude	To 2000 m N.N. (6561 ft)
Dependence on temperature	No reduction @ 60 °C (140 °F)
Magnetic release current (±20 %)	Fixed setting: 18…22 x Ie maximum (Ie maximum = maximum values of setting ranges) for T version
Pollution degree	3
Climatic resistance	Operating humidity/moisture heat (60068-2-3): 5...95% non-condensing

Width	54 mm
Depth	110 mm
Degree of protection (IP)	IP2X
Height	111.4 mm
Weight	782 lb
Mechanical life operations	30000 /h
Contactor size (Type 2 coordination) with 100-C IEC contactor, min	100-C37 @ 600V
Breaking capacity	High breaking capacity
Frame size	Frame size F, 45 A
Shock	Transport (60068-2-27): 30 G/11 ms, OFF
Protection type	Adjustable thermal/fixed magnetic (13 x In)
Contactor size, min	100-C37, UL-508 -Type E self-protected combination motor controller
Factory option	Standard busbar mount, top ftd
Device construction	Built-in device fixed built-in technique
Vibration	Ops (60068-2-6): 5 G

Technical Data	Publication
140m-td002_-en-p	140M-TD002

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China CCC

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Regulatory Information

EU Importer Address	Rockwell Automation N.V Pegasus Park De Kleetlaan 12A 1831 Diegem Belgium
EU Authorized Representative Address	Rockwell Automation N.V Pegasus Park De Kleetlaan 12A 1831 Diegem Belgium

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Overview

Unique Product Identifier	140M-F8E-C45-CX-KY-MT
UPC	662074939923
Estimated Lead Time	85 days
Standard Warranty Duration	1 year See details
Country of Origin	Switzerland

Electrical & Connectivity

Amperage Rating	32 - 45A,MxRtg MCPs(no OvPrt)is 1200.0A
Application	Mtr Prt Circuit Breaker

With integrated auxiliary switch	False
With integrated under voltage release	False
Rated short-circuit breaking capacity lcu at 400 V, AC	65 kA
Rated operation power at AC-3, 400 V	22 kw
Rated permanent current Iu	45 A
Rated operation power at AC-3, 230 V	13 kw
Rated operating voltage	230 A
Type of control element	Turn button
Overload release current setting	32 A
Type of electrical connection of main circuit	Screw connection
Magnetic release current per IEC	585 A
Magnetic trip current, nom	585 A
Rated operational current (Ie) per IEC	45 A
Rated supply current (Ie)	6.3 A
Short circuit current (Icu) for group motor installation, max	65kA @ 480V
Short circuit current (Type 2 coordination) with 100-C IEC contactor, max	65kA @ 480V
Current range	32...45 A
Ultimate short circuit breaking capacity (Icu) per IEC	65kA @ 400/415V AC
Rated service short circuit breaking capacity (Ics) per IEC	6kA @ 690V AC
Insulation voltage (Ui)	Rated 690V per IEC
Hp rating, max	40Hp @ 575V, 3-phase
Electrical life cycle	30000 ops (Ie maximum)
Short circuit current for self-protected combination motor controller with 100-C contactor, max	65 kA @ 480Y/277V, UL 508-Type E
Switching of standard motors per IEC	40 kW @ 690V (AC-3), 3-phase
KW rating, max	40 kW @ 690V (AC-3), 3-phase
Back up fuse (gG, gL) current rating (if Icc ≥ Icu ) per IEC	No back-up fuse required @ 230/240V AC
Short circuit current for combination motor controller with 100-C IEC contactor, max	65 kA @ 480Y/277V, UL 60947-4-1-Type F
Total power loss (Pv) for circuit breaker	7…22 W @ rated load/operating temperature
Short circuit current for group motor installation with 100-C IEC contactor, max	65kA @ 480V, UL 60947-4-1-manual motor controller
Short circuit current for motor disconnect with 100-C IEC contactor, max	65kA @ 480V, UL 60947-4-1-manual motor controller
Rated thermal current (Ith)	6.3...45 A up to 60 °C (140 °F) ambient temperature
Short circuit current for tap conductor protection, max	65 kA @ 480Y/277V, UL 60947-4-1-manual motor controller
Short circuit current for combination motor controller, max	65kA @ 480V/277V, UL 60947-4-1 self-protected (Type E)
Fuse or circuit breaker per NEC, max	600 A, UL 60947-4-1-manual motor controller
Rated impulse withstand voltage (Uimp)	Main circuits (Uimp)/overvoltage category: 6 kV/III, 8 kV (disconnect)
Short circuit current for group motor installation, max	65kA @ 480V, UL 60947-4-1-manual motor controller
Short circuit current for motor disconnect, max	65kA @ 480V, UL 60947-4-1-manual motor controller
Number of poles	3
With thermal protection	True
Phase failure sensitive	True
Switch off technique	Thermomagnetic
Switching frequency, max	25 ops/h
Trip class	10
Rated frequency	45 Hz
Phase loss protection	Differential release
Fuse or circuit breaker rating with 100-C IEC contactor per NEC, max	600 A, UL 60947-4-1-manual motor controller

Compliance & Environment

Ambient storage temperature	-40 °C
Ambient operating temperature	-25 °C
Ambient temperature compensation	-25 °C
Site altitude	To 2000 m N.N. (6561 ft)
Dependence on temperature	No reduction @ 60 °C (140 °F)
Magnetic release current (±20 %)	Fixed setting: 18…22 x Ie maximum (Ie maximum = maximum values of setting ranges) for T version
Pollution degree	3
Climatic resistance	Operating humidity/moisture heat (60068-2-3): 5...95% non-condensing

Physical Characteristics

Width	54 mm
Depth	110 mm
Degree of protection (IP)	IP2X
Height	111.4 mm
Weight	782 lb
Mechanical life operations	30000 /h
Contactor size (Type 2 coordination) with 100-C IEC contactor, min	100-C37 @ 600V
Breaking capacity	High breaking capacity
Frame size	Frame size F, 45 A
Shock	Transport (60068-2-27): 30 G/11 ms, OFF
Protection type	Adjustable thermal/fixed magnetic (13 x In)
Contactor size, min	100-C37, UL-508 -Type E self-protected combination motor controller
Factory option	Standard busbar mount, top ftd
Device construction	Built-in device fixed built-in technique
Vibration	Ops (60068-2-6): 5 G

Drawings

Documents

140m-td002_-en-p Technical Data
140M-TD002

Technical Data	Publication
140m-td002_-en-p	140M-TD002

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Certifications

${name=China CCC, link=http://literature.rockwellautomation.com/idc/groups/literature/documents/ct/140m-ct004_-en-e.pdf}$

China CCC

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Regulatory Information

EU Importer Address	Rockwell Automation N.V Pegasus Park De Kleetlaan 12A 1831 Diegem Belgium
EU Authorized Representative Address	Rockwell Automation N.V Pegasus Park De Kleetlaan 12A 1831 Diegem Belgium

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