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140M-D8N-B40

Motor Circuit Protector Circuit-Breaker

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Lifecycle status: Discontinued
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Rockwell Automation announces that as of February 04, 2022, the Motor Circuit Protector 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 04, 2022 Replacement Category: Engineering Replacement Replacement Product: 140MT-D9N-B40 [https://www.rockwellautomation.com/en-us/products/details.140MT-D9N-B40.html]
Product at a glance
Replacement Available
Lifecycle status: Discontinued
ErrorsErrors
Rockwell Automation announces that as of February 04, 2022, the Motor Circuit Protector 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 04, 2022 Replacement Category: Engineering Replacement Replacement Product: 140MT-D9N-B40 [https://www.rockwellautomation.com/en-us/products/details.140MT-D9N-B40.html]
Product at a glance
Replacement Available
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Technical Specifications
General
Electrical
Mechanical
Environmental
Construction
Certification
Documents
Certifications
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Technotes
Adj. Thermal Current Range (A)
TheMaxRtgForMPCBs=630.0A @ 4A
Circuit Breaker Type
Motor Circuit Protector
Number of poles
3
With integrated under voltage release
False
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
100 kA
Complete device with protection unit
True
Rated permanent current Iu
4 A
Rated voltage
230 V
Type of control element
Turn button
Magnetic release current per IEC
52 A
Rated operational current (Ie) per IEC
4 A
Current range
4 A
Rated supply current (Ie)
1.6 A
Ultimate interrupting current for group motor installation
65kA @ 480V
Ultimate short circuit breaking capacity (Icu) per IEC
6kA @ 690V
Rated service short circuit breaking capacity (Ics) per IEC
6kA @ 690V
Magnetic trip current
52 A
Hp rating, max
3Hp @ 575V, 3-phase
Rated insulation voltage (Ui)
Rated 690V per IEC, SEV, VDE0660
KW rating, max
3 kW @ 690V (AC-3), 3-phase
Switching of standard motors per IEC
3.0 kW @ 690V (AC-3), 3-phase
Back up fuse (gG, gL) current rating (if Icc ≥ Icu ) per IEC
No back-up fuse required @ 500V
Short circuit current (Type 2 coordination), max
65kA @ 480V
Short circuit current for UL 508 Type E (Self-Protected) combination motor controller, max
65 kA @ 480Y/277V with 100-C contactors
Total power loss (Pv) for circuit breaker
6...11.6 W @ rated load operating temperature
Electrical life cycle
100000 ops (Ie maximum)
Rated thermal current (Ith)
1.6…32 A up to 60 °C ambient temperature
Fuse or circuit breaker per NEC, max
450 A, UL 508-manual motor controller
Fuse or circuit breaker rating per NEC, max
450 A, UL 508-manual motor controller with 100-C contactor
Rated impulse withstand voltage (Uimp)
Main circuits (Uimp)/overvoltage category: 6 kV/III
Short circuit current for group motor installation, max
65kA @ 480V, UL 508-manual motor controller with 100-C contactors
Short circuit current for motor disconnect, max
65kA @ 480V, UL 508-manual motor controller with 100-C contactors
Magnetic release current (±20 %)
Fixed setting 13...14 x Ie maximum (Ie maximum = maximum values of setting ranges)
Protection type
Fixed magnetic only (13 x In)
Motor drive integrated
False
With switched-off indicator
False
Motor drive optional
True
Position of connection for main current circuit
Front side
Type of electrical connection of main circuit
Screw connection
Switching frequency, max
25 ops/h
Rated frequency
50/60 Hz
Phase loss protection
Differential release
Suitable for DIN rail (top hat rail) mounting
False
DIN rail (top hat rail) mounting optional
True
Degree of protection (IP)
IP2X
Weight
365 lb
Mechanical life operations
100000 /h
Breaking capacity
High breaking capacity
Vibration
Ops (60068-2-6): 5 G
Shock
Transport (60068-2-27): 30 G, 11 ms, all axes
Factory option
No circuit-breaker auxiliary or trip contacts
Ambient storage temperature
-40 °C
Ambient operating temperature
-25 °C
Ambient temperature compensation
-20 °C
Site altitude
2000 m (NN)
Dependence on temperature
No reduction @ 60 °C (140 °F)
Pollution degree
3
Moisture heat (60068-2-3)
40 °C, relative humidity 93 %, 56 d
Dry heat (60086-2-2)
100 °C, relative humidity < 50 %, 7 d
Moisture change climate (600068-2-30)
23 °C/83 % relative humidity and 40 °C/92 % relative humidity, 56 cycles
Frame size
Frame size D, 32 A
Contactor size (Type 2 coordination), min
100-C30 @ 600V
Contactor size, min
100-C23, UL-508-Type E (self-protected) combination motor controller with 100-C contactor
Device construction
Built-in device fixed built-in technique
Utilization category
Motor starter: AC-3 (IEC60947-4-1)
Type Resource Publication
Technical Data 140m-td002_-en-p 140M-TD002
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
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China CCC
  • China CCC

This product was certified with the above certifications as of 2025-10-21. 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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1-1 of 1
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
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Technical Specifications
Adj. Thermal Current Range (A)
TheMaxRtgForMPCBs=630.0A @ 4A
Circuit Breaker Type
Motor Circuit Protector
Number of poles
3
With integrated under voltage release
False
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
100 kA
Complete device with protection unit
True
Rated permanent current Iu
4 A
Rated voltage
230 V
Type of control element
Turn button
Magnetic release current per IEC
52 A
Rated operational current (Ie) per IEC
4 A
Current range
4 A
Rated supply current (Ie)
1.6 A
Ultimate interrupting current for group motor installation
65kA @ 480V
Ultimate short circuit breaking capacity (Icu) per IEC
6kA @ 690V
Rated service short circuit breaking capacity (Ics) per IEC
6kA @ 690V
Magnetic trip current
52 A
Hp rating, max
3Hp @ 575V, 3-phase
Rated insulation voltage (Ui)
Rated 690V per IEC, SEV, VDE0660
KW rating, max
3 kW @ 690V (AC-3), 3-phase
Switching of standard motors per IEC
3.0 kW @ 690V (AC-3), 3-phase
Back up fuse (gG, gL) current rating (if Icc ≥ Icu ) per IEC
No back-up fuse required @ 500V
Short circuit current (Type 2 coordination), max
65kA @ 480V
Short circuit current for UL 508 Type E (Self-Protected) combination motor controller, max
65 kA @ 480Y/277V with 100-C contactors
Total power loss (Pv) for circuit breaker
6...11.6 W @ rated load operating temperature
Electrical life cycle
100000 ops (Ie maximum)
Rated thermal current (Ith)
1.6…32 A up to 60 °C ambient temperature
Fuse or circuit breaker per NEC, max
450 A, UL 508-manual motor controller
Fuse or circuit breaker rating per NEC, max
450 A, UL 508-manual motor controller with 100-C contactor
Rated impulse withstand voltage (Uimp)
Main circuits (Uimp)/overvoltage category: 6 kV/III
Short circuit current for group motor installation, max
65kA @ 480V, UL 508-manual motor controller with 100-C contactors
Short circuit current for motor disconnect, max
65kA @ 480V, UL 508-manual motor controller with 100-C contactors
Magnetic release current (±20 %)
Fixed setting 13...14 x Ie maximum (Ie maximum = maximum values of setting ranges)
Protection type
Fixed magnetic only (13 x In)
Motor drive integrated
False
With switched-off indicator
False
Motor drive optional
True
Position of connection for main current circuit
Front side
Type of electrical connection of main circuit
Screw connection
Switching frequency, max
25 ops/h
Rated frequency
50/60 Hz
Phase loss protection
Differential release
Suitable for DIN rail (top hat rail) mounting
False
DIN rail (top hat rail) mounting optional
True
Degree of protection (IP)
IP2X
Weight
365 lb
Mechanical life operations
100000 /h
Breaking capacity
High breaking capacity
Vibration
Ops (60068-2-6): 5 G
Shock
Transport (60068-2-27): 30 G, 11 ms, all axes
Factory option
No circuit-breaker auxiliary or trip contacts
Ambient storage temperature
-40 °C
Ambient operating temperature
-25 °C
Ambient temperature compensation
-20 °C
Site altitude
2000 m (NN)
Dependence on temperature
No reduction @ 60 °C (140 °F)
Pollution degree
3
Moisture heat (60068-2-3)
40 °C, relative humidity 93 %, 56 d
Dry heat (60086-2-2)
100 °C, relative humidity < 50 %, 7 d
Moisture change climate (600068-2-30)
23 °C/83 % relative humidity and 40 °C/92 % relative humidity, 56 cycles
Frame size
Frame size D, 32 A
Contactor size (Type 2 coordination), min
100-C30 @ 600V
Contactor size, min
100-C23, UL-508-Type E (self-protected) combination motor controller with 100-C contactor
Device construction
Built-in device fixed built-in technique
Utilization category
Motor starter: AC-3 (IEC60947-4-1)
Documents
140m-td002_-en-p Technical Data
140M-TD002
Type Resource Publication
Technical Data 140m-td002_-en-p 140M-TD002
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Search the Literature Library
Certifications
China CCC
  • China CCC

This product was certified with the above certifications as of 2025-10-21. 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.

Alternative Products
Items Per Page:
1-1 of 1
Technotes
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
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