140M-D8E-C20

Motor Protection Circuit-Breaker

Name: Motor Protection Circuit-Breaker
Brand: Rockwell Automation
SKU: 140m-d8e-c20

Serial #:

Lifecycle status: Discontinued

Rockwell Automation announces that as of February 03, 2022, 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: February 03, 2022 Replacement Category: Engineering Replacement Replacement Product: 140MT-D9E-C20 [https://www.rockwellautomation.com/en-us/products/details.140MT-D9E-C20.html]

Product at a glance

Replacement Available

Lifecycle status: Discontinued

Discontinued Date: February 03, 2022 Replacement Category: Engineering Replacement Replacement Product: 140MT-D9E-C20 [https://www.rockwellautomation.com/en-us/products/details.140MT-D9E-C20.html]

Product at a glance

Replacement Available

Unique Product Identifier	140M-D8E-C20
UPC	662468964463
Standard Warranty Duration	1 year See details
Country of Origin	Switzerland

Amperage Rating	14.5 - 20A,MxRtg MCPs(no OvPrt)is 1200.0A
Application	Mtr Prt Circuit Breaker

Back up fuse (gG, gL) current rating (if Icc ≥ Icu ) per IEC	No back-up fuse required @ 230/240V
Current range	14.5 to 20 A
Electrical life cycle	100000 ops (Ie maximum)
Fuse or circuit breaker per NEC, max	450 A, UL 508-manual motor controller with 100-C contactor
Hp rating, max	7.5Hp @ 230V, 3-phase
KW rating, max	17 kW @ 690V (AC-3), 3-phase
Magnetic release current per IEC	260 A
Magnetic trip current	260 A
Number of poles	3
Overload release current setting	14.5 A
Overload trip class	10
Phase failure sensitive	True
Phase loss protection	Differential release
Rated frequency	60 Hz
Rated impulse withstand voltage (Uimp)	Main circuits/overvoltage category: 6 kV/III
Rated insulation voltage (Ui)	690V per IEC, SEV, VDE0660
Rated operating voltage	230 A
Rated operation power at AC-3, 230 V	5.5 kw
Rated operation power at AC-3, 400 V	10 kw
Rated operational current (Ie) per IEC	20 A
Rated permanent current Iu	20 A
Rated service short circuit breaking capacity (Ics) per IEC	4kA @ 690V
Rated short-circuit breaking capacity lcu at 400 V, AC	100 kA
Rated supply current (Ie)	1.6 A
Rated thermal current (Ith)	1.6...32 A @ up to 60 °C ambient temperature
Short circuit current (Type 2 coordination), max	65kA @ 480V
Short circuit current for combination motor controller with 100-C contactor, max	65 kA @ 480Y/277V per UL 508-self-protected (Type E)
Short circuit current for combination motor controller, max	65 kA @ 480Y/277V, UL 508-Type F
Short circuit current for group motor installation with 100-C contactor, max	65kA @ 480V, UL 508-manual motor controller
Short circuit current for group motor installation, max	65kA @ 480V, UL 508-manual motor controller
Short circuit current for motor disconnect with 100-C contactor, max	65kA @ 480V, UL 508-manual motor controller
Short circuit current for motor disconnect, max	65kA @ 480V, UL 508-manual motor controller
Short circuit current for tap conductor protection, max	65 kA @ 480Y/277V per UL 508-manual motor controller
Switch off technique	Thermomagnetic
Switching frequency, max	25 ops/h
Switching of standard motors per IEC	5.5 kW @ 230/240V (AC-3), 3-phase
Total power loss (Pv) for circuit breaker at rated load operating temperature	6 W
Type of control element	Turn button
Type of electrical connection of main circuit	Screw connection
Ultimate short circuit breaking capacity (Icu) per IEC	6kA @ 690V
With integrated auxiliary switch	False
With integrated under voltage release	False
With thermal protection	True

Ambient operating temperature	-25 °C
Ambient storage temperature	-40 °C
Ambient temperature compensation	-20 °C
Dependence on temperature	No current reduction
Dry heat (60086-2-2)	100 °C, relative humidity < 50 %, 7 d
Magnetic release current (±20 %)	Fixed setting 13...14 x Ie max. Ie max. = maximum values of setting ranges
Moisture change climate (600068-2-30)	23 °C/83 % relative humidity and 40 °C/92 % relative humidity, 56 cycles
Moisture heat (60068-2-3)	40 °C, relative humidity 93 %, 56 d
Pollution degree	3
Site altitude	2000 m (NN)

Mechanical

Breaking capacity	High breaking capacity
Degree of protection (IP)	IP2X
Factory option	No circuit-breaker auxiliary or trip contacts
Mechanical life operations	100000 /h
Protection type	Adjustable thermal/fixed magnetic (13 x In)
Shock resistance	Transport (60068-2-27): 30 g, 11 ms, all axes
Vibration resistance	Ops (60068-2-6): 5 G
Weight	373 lb

Construction

Contactor size for combination motor controller, min	100-C30, UL-508-type E self-protected
Contactor size, min	100-C30 @ 600V
Device construction	Built-in device fixed built-in technique
Frame size	Frame size D, 32 A

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

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China CCC

This product was certified with the above certifications as of 2026-07-18. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.

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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-D8E-C20
UPC	662468964463
Standard Warranty Duration	1 year See details
Country of Origin	Switzerland

Electrical & Connectivity

Amperage Rating	14.5 - 20A,MxRtg MCPs(no OvPrt)is 1200.0A
Application	Mtr Prt Circuit Breaker

Back up fuse (gG, gL) current rating (if Icc ≥ Icu ) per IEC	No back-up fuse required @ 230/240V
Current range	14.5 to 20 A
Electrical life cycle	100000 ops (Ie maximum)
Fuse or circuit breaker per NEC, max	450 A, UL 508-manual motor controller with 100-C contactor
Hp rating, max	7.5Hp @ 230V, 3-phase
KW rating, max	17 kW @ 690V (AC-3), 3-phase
Magnetic release current per IEC	260 A
Magnetic trip current	260 A
Number of poles	3
Overload release current setting	14.5 A
Overload trip class	10
Phase failure sensitive	True
Phase loss protection	Differential release
Rated frequency	60 Hz
Rated impulse withstand voltage (Uimp)	Main circuits/overvoltage category: 6 kV/III
Rated insulation voltage (Ui)	690V per IEC, SEV, VDE0660
Rated operating voltage	230 A
Rated operation power at AC-3, 230 V	5.5 kw
Rated operation power at AC-3, 400 V	10 kw
Rated operational current (Ie) per IEC	20 A
Rated permanent current Iu	20 A
Rated service short circuit breaking capacity (Ics) per IEC	4kA @ 690V
Rated short-circuit breaking capacity lcu at 400 V, AC	100 kA
Rated supply current (Ie)	1.6 A
Rated thermal current (Ith)	1.6...32 A @ up to 60 °C ambient temperature
Short circuit current (Type 2 coordination), max	65kA @ 480V
Short circuit current for combination motor controller with 100-C contactor, max	65 kA @ 480Y/277V per UL 508-self-protected (Type E)
Short circuit current for combination motor controller, max	65 kA @ 480Y/277V, UL 508-Type F
Short circuit current for group motor installation with 100-C contactor, max	65kA @ 480V, UL 508-manual motor controller
Short circuit current for group motor installation, max	65kA @ 480V, UL 508-manual motor controller
Short circuit current for motor disconnect with 100-C contactor, max	65kA @ 480V, UL 508-manual motor controller
Short circuit current for motor disconnect, max	65kA @ 480V, UL 508-manual motor controller
Short circuit current for tap conductor protection, max	65 kA @ 480Y/277V per UL 508-manual motor controller
Switch off technique	Thermomagnetic
Switching frequency, max	25 ops/h
Switching of standard motors per IEC	5.5 kW @ 230/240V (AC-3), 3-phase
Total power loss (Pv) for circuit breaker at rated load operating temperature	6 W
Type of control element	Turn button
Type of electrical connection of main circuit	Screw connection
Ultimate short circuit breaking capacity (Icu) per IEC	6kA @ 690V
With integrated auxiliary switch	False
With integrated under voltage release	False
With thermal protection	True

Compliance & Environment

Ambient operating temperature	-25 °C
Ambient storage temperature	-40 °C
Ambient temperature compensation	-20 °C
Dependence on temperature	No current reduction
Dry heat (60086-2-2)	100 °C, relative humidity < 50 %, 7 d
Magnetic release current (±20 %)	Fixed setting 13...14 x Ie max. Ie max. = maximum values of setting ranges
Moisture change climate (600068-2-30)	23 °C/83 % relative humidity and 40 °C/92 % relative humidity, 56 cycles
Moisture heat (60068-2-3)	40 °C, relative humidity 93 %, 56 d
Pollution degree	3
Site altitude	2000 m (NN)

Physical Characteristics

Mechanical

Breaking capacity	High breaking capacity
Degree of protection (IP)	IP2X
Factory option	No circuit-breaker auxiliary or trip contacts
Mechanical life operations	100000 /h
Protection type	Adjustable thermal/fixed magnetic (13 x In)
Shock resistance	Transport (60068-2-27): 30 g, 11 ms, all axes
Vibration resistance	Ops (60068-2-6): 5 G
Weight	373 lb

Construction

Contactor size for combination motor controller, min	100-C30, UL-508-type E self-protected
Contactor size, min	100-C30 @ 600V
Device construction	Built-in device fixed built-in technique
Frame size	Frame size D, 32 A

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

Alternative Products

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Technotes

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