140M-D8T-C20
Motor Protection Circuit-Breaker
Rockwell Automation announces that as of February 25, 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 25, 2022
Replacement Category:
Engineering Replacement
Replacement Product:
140MT-D9T-C20
[https://www.rockwellautomation.com/en-us/products/details.140MT-D9T-C20.html]
Product at a glance
Rockwell Automation announces that as of February 25, 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 25, 2022
Replacement Category:
Engineering Replacement
Replacement Product:
140MT-D9T-C20
[https://www.rockwellautomation.com/en-us/products/details.140MT-D9T-C20.html]
Product at a glance
| Adj. Thermal Current Range (A) |
14.5 - 20A,MxRtg MCPs(no OvPrt)is 1200.0A
|
|---|
| 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 |
10 kw
|
| Rated permanent current Iu |
20 A
|
| Rated operation power at AC-3, 230 V |
5.5 kw
|
| Rated operating voltage |
230 A
|
| Type of control element |
Turn button
|
| Overload release current setting |
14.5 A
|
| Type of electrical connection of main circuit |
Screw connection
|
| Magnetic trip current |
325 A
|
| Rated supply current (Ie) |
1.6 A
|
| Total power loss (Pv) for circuit breaker at rated load operating temperature |
6 W
|
| Short circuit current (Icu) for group motor, max |
30kA @ 480V
|
| Rated operational current (Ie) |
20 A per IEC
|
| Current range |
14.5 to 20 A
|
| Hp rating, max |
7.5Hp @ 230V, 3-phase
|
| Ultimate short circuit breaking capacity (Icu) |
65kA @ 400/415V per IEC
|
| Electrical life cycle |
100000 ops
|
| Insulation voltage |
Rated 690V per IEC, SEV, VDE0660
|
| Back up fuse (gG, gL) current rating (if Icc ≥ Icu ) |
No back-up fuse required per IEC
|
| KW rating, max |
17 kW @ 690V, 3-phase, AC-3
|
| Switching of standard motors |
5.5 kW @ 230/240V (AC-3), 3-phase per IEC
|
| Rated thermal current (Ith) |
1.6...32 A @ up to 60 °C ambient temperature
|
| Short circuit current, max |
65kA @ 480V, Type 2 coordination
|
| Short circuit current for tap conductor protection, max |
30 kA @ 480Y/277V per UL 508-manual motor controller
|
| Short circuit current for combination motor controller, max |
30 kA @ 480Y/277V per UL 508-self-protected (Type E)
|
| Rated service short-circuit breaking capacity (Ics) |
4kA @ 690V per IEC
|
| Short circuit current for group motor installation, max |
30kA @ 600V, UL 508-manual motor controller
|
| Short circuit current for motor disconnect, max |
30kA @ 600V, UL 508-manual motor controller
|
| Magnetic release current |
325 A per IEC
|
| Number of poles |
3
|
| With thermal protection |
True
|
| Phase failure sensitive |
True
|
| Switch off technique |
Thermomagnetic
|
| Switching frequency, max |
25 ops/h
|
| Overload trip class |
10
|
| Rated impulse withstand voltage (Uimp) for main circuits/overvoltage category |
6kV/III
|
| Rated impulse withstand voltage (Uimp) for auxiliary circuits/overvoltage category |
6kV/III
|
| Rated frequency |
50/60 Hz
|
| Phase loss protection |
Differential release
|
| Fuse or circuit breaker, max |
450 A per NEC, UL 508-manual motor controller
|
| Width |
45 mm
|
|---|---|
| Depth |
80 mm
|
| Height |
90 mm
|
| Frame size |
Frame size D, 32 A
|
| Contactor size, min |
100-C30 @ 600V, Type 2 coordination
|
| Device construction |
Built-in device fixed built-in technique
|
| Degree of protection (IP) |
IP2X
|
|---|---|
| Weight |
365 lb
|
| Mechanical life operations |
100000 /h
|
| Breaking capacity |
High breaking capacity
|
| Protection type |
Adjustable thermal/fixed magnetic (fixed at 16...20 x In)
|
| Factory option |
No circuit-breaker auxiliary or trip contacts
|
| Vibration resistance |
Ops (60068-2-6): 5 G
|
| Shock resistance |
Transport (60068-2-27): 30 G, 11 ms, all axes
|
| Ambient storage temperature |
-40 °C
|
|---|---|
| Ambient operating temperature |
-25 °C
|
| Ambient temperature compensation |
-20 °C
|
| Altitude |
2000 m (NN)
|
| Magnetic release current (±20 %) |
Fixed setting 16...21 x Ie maximum (Ie maximum = maximum values of setting ranges)
|
| Pollution degree |
3
|
| Dependence on temperature @ 40 °C |
No current reduction
|
| Dependence on temperature @ 50 °C |
No current reduction
|
| Dependence on temperature @ 60 °C |
No current reduction
|
| Moisture heat (60068-2-3) |
40 °C, relative humidity 93 %, 56 d
|
| Dry heat (60086-2-2) |
100 °C, relative humidity < 50 %, 7 d
|
| Dependence on temperature @ 70 °C |
15% current reduction of the upper rated current Ie @ 70 °C (158 °F)
|
| Moisture change climate (600068-2-30) |
23 °C/83 % relative humidity and 40 °C/92 % relative humidity, 56 cycles
|
| Utilization category |
Motor starter: AC-3 (IEC60947-4-1)
|
|---|---|
| Overload protection characteristics |
IEC 60947-4-1 motor protection
|
| 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
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.
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
Technical Specifications
| Adj. Thermal Current Range (A) |
14.5 - 20A,MxRtg MCPs(no OvPrt)is 1200.0A
|
|---|
| 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 |
10 kw
|
| Rated permanent current Iu |
20 A
|
| Rated operation power at AC-3, 230 V |
5.5 kw
|
| Rated operating voltage |
230 A
|
| Type of control element |
Turn button
|
| Overload release current setting |
14.5 A
|
| Type of electrical connection of main circuit |
Screw connection
|
| Magnetic trip current |
325 A
|
| Rated supply current (Ie) |
1.6 A
|
| Total power loss (Pv) for circuit breaker at rated load operating temperature |
6 W
|
| Short circuit current (Icu) for group motor, max |
30kA @ 480V
|
| Rated operational current (Ie) |
20 A per IEC
|
| Current range |
14.5 to 20 A
|
| Hp rating, max |
7.5Hp @ 230V, 3-phase
|
| Ultimate short circuit breaking capacity (Icu) |
65kA @ 400/415V per IEC
|
| Electrical life cycle |
100000 ops
|
| Insulation voltage |
Rated 690V per IEC, SEV, VDE0660
|
| Back up fuse (gG, gL) current rating (if Icc ≥ Icu ) |
No back-up fuse required per IEC
|
| KW rating, max |
17 kW @ 690V, 3-phase, AC-3
|
| Switching of standard motors |
5.5 kW @ 230/240V (AC-3), 3-phase per IEC
|
| Rated thermal current (Ith) |
1.6...32 A @ up to 60 °C ambient temperature
|
| Short circuit current, max |
65kA @ 480V, Type 2 coordination
|
| Short circuit current for tap conductor protection, max |
30 kA @ 480Y/277V per UL 508-manual motor controller
|
| Short circuit current for combination motor controller, max |
30 kA @ 480Y/277V per UL 508-self-protected (Type E)
|
| Rated service short-circuit breaking capacity (Ics) |
4kA @ 690V per IEC
|
| Short circuit current for group motor installation, max |
30kA @ 600V, UL 508-manual motor controller
|
| Short circuit current for motor disconnect, max |
30kA @ 600V, UL 508-manual motor controller
|
| Magnetic release current |
325 A per IEC
|
| Number of poles |
3
|
| With thermal protection |
True
|
| Phase failure sensitive |
True
|
| Switch off technique |
Thermomagnetic
|
| Switching frequency, max |
25 ops/h
|
| Overload trip class |
10
|
| Rated impulse withstand voltage (Uimp) for main circuits/overvoltage category |
6kV/III
|
| Rated impulse withstand voltage (Uimp) for auxiliary circuits/overvoltage category |
6kV/III
|
| Rated frequency |
50/60 Hz
|
| Phase loss protection |
Differential release
|
| Fuse or circuit breaker, max |
450 A per NEC, UL 508-manual motor controller
|
| Width |
45 mm
|
|---|---|
| Depth |
80 mm
|
| Height |
90 mm
|
| Frame size |
Frame size D, 32 A
|
| Contactor size, min |
100-C30 @ 600V, Type 2 coordination
|
| Device construction |
Built-in device fixed built-in technique
|
| Degree of protection (IP) |
IP2X
|
|---|---|
| Weight |
365 lb
|
| Mechanical life operations |
100000 /h
|
| Breaking capacity |
High breaking capacity
|
| Protection type |
Adjustable thermal/fixed magnetic (fixed at 16...20 x In)
|
| Factory option |
No circuit-breaker auxiliary or trip contacts
|
| Vibration resistance |
Ops (60068-2-6): 5 G
|
| Shock resistance |
Transport (60068-2-27): 30 G, 11 ms, all axes
|
| Ambient storage temperature |
-40 °C
|
|---|---|
| Ambient operating temperature |
-25 °C
|
| Ambient temperature compensation |
-20 °C
|
| Altitude |
2000 m (NN)
|
| Magnetic release current (±20 %) |
Fixed setting 16...21 x Ie maximum (Ie maximum = maximum values of setting ranges)
|
| Pollution degree |
3
|
| Dependence on temperature @ 40 °C |
No current reduction
|
| Dependence on temperature @ 50 °C |
No current reduction
|
| Dependence on temperature @ 60 °C |
No current reduction
|
| Moisture heat (60068-2-3) |
40 °C, relative humidity 93 %, 56 d
|
| Dry heat (60086-2-2) |
100 °C, relative humidity < 50 %, 7 d
|
| Dependence on temperature @ 70 °C |
15% current reduction of the upper rated current Ie @ 70 °C (158 °F)
|
| Moisture change climate (600068-2-30) |
23 °C/83 % relative humidity and 40 °C/92 % relative humidity, 56 cycles
|
| Utilization category |
Motor starter: AC-3 (IEC60947-4-1)
|
|---|---|
| Overload protection characteristics |
IEC 60947-4-1 motor protection
|
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
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
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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