140MG-H8P-C50-FB

140G 125A H Frame Mtr Protection Ckt-Bkr

Name: 140G 125A H Frame Mtr Protection Ckt-Bkr
Brand: Rockwell Automation
SKU: 140MG-H8P-C50-FB

Serial #:

Lifecycle status: Active

Description

140MG - Motor Circuit Protectors, H frame, 35..65 kA at 480V, MCP (magnetic only), Rated Current 50 A, 2 NO/NC AUX, 400V

Lifecycle status: Active

Description

140MG - Motor Circuit Protectors, H frame, 35..65 kA at 480V, MCP (magnetic only), Rated Current 50 A, 2 NO/NC AUX, 400V

Unique Product Identifier	140MG-H8P-C50-FB
UPC	887172654404
Estimated Lead Time	30 days
Standard Warranty Duration	1 year See details
Country of Origin	Italy

Ambient temperature without derating	104 °F
Depth	82.55 mm
Operating temperature	-13 °F
Storage temperature	-40 °F
Width	90 mm
Wire temperature rating	Al or Cu 75 °C

Mechanical

DIN rail (top hat rail) mounting optional	True
Degree of protection (IP)	IP20
Factory option	2 NO/NC auxiliary, 400V AC
Mechanical life operations	25000 /h
Weight, approx	2.6 lb

Construction

Device construction	Built-in device fixed built-in technique
Height	130 mm

Electrical life cycle	8000 @ 415V AC
Frame size	125 A
Hp rating	25Hp @ 575V, 3-phase
Instantaneous trip circuit breaker (magnetic only) SCCR, max	65kA @ 480V AC per NEMA/UL-489/CSA for combination controller rating
Instantaneous trip setting	3 to 125 A
Insulation voltage (Ui)	Rated 1000V per IEC
Interrupting rating/breaking capacity	35...65kA @ 480V
KW rating, max	37 kW @ 690V, 3-phase, AC-3
Magnetic trip current	Cam setting I: 550 A
Motor drive integrated	False
Motor drive optional	True
Number of auxiliary contacts as change-over contact	2
Number of poles	3
Position of connection for main current circuit	Front side
Protection type	Adjustable magnetic only (less than 13 x In)
Rated impulse withstand voltage (Uimp)	8 kV
Rated permanent current Iu	50 A
Rated service short-circuit breaking capacity (Ics)	100% of Icu @ 690V AC per IEC 60947-2/GB 14048.2
Rated service short-circuit breaking capacity for Type D combination (Ics)	100% of Icu @ 690V AC per IEC 60947-2/GB 14048.2
Rated ultimate short-circuit breaking capacity (Icu)	65kA @ 220...230V AC per IEC 60947-2/GB 14048.2
Rated ultimate short-circuit breaking capacity for Type D combination (Icu)	65kA @ 440V AC per IEC 60947-2/GB 14048.2
Type of control element	Toggle
Type of electrical connection of main circuit	Screw connection
Watt loss	15 W
With integrated under voltage release	False
With switched-off indicator	False

Drawings
3-Dimensional STEP model (STP)	Download (ZIP)
2-Dimensional Drawing (PDF)	Download (PDF)
Product Drawing	Drawing (DXF)

Drawings
3-Dimensional STEP model (STP) Download (ZIP)
2-Dimensional Drawing (PDF) Download (PDF)
Product Drawing Drawing (DXF)

Click the Download CAD button below to view all file formats available for download.

General	Publication
Breaker Wars: MCCB vs MPCB vs MCP vs MCB Podcast	--
Product Cutsheet	--
Link to Literature Library for Selectivity Guide	140G-TD050
Link to Literature Library for Installation Instructions	140G-IN097
Specifications and Technical Data	140G-TD101

Technical Data	Publication
140g-td102_-en-p	140G-TD102

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UKCA DOC

This product was certified with the above certifications as of 2026-10-09. 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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Technotes

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Overview

Unique Product Identifier	140MG-H8P-C50-FB
UPC	887172654404
Estimated Lead Time	30 days
Standard Warranty Duration	1 year See details
Country of Origin	Italy

Compliance & Environment

Ambient temperature without derating	104 °F
Depth	82.55 mm
Operating temperature	-13 °F
Storage temperature	-40 °F
Width	90 mm
Wire temperature rating	Al or Cu 75 °C

Physical Characteristics

Mechanical

DIN rail (top hat rail) mounting optional	True
Degree of protection (IP)	IP20
Factory option	2 NO/NC auxiliary, 400V AC
Mechanical life operations	25000 /h
Weight, approx	2.6 lb

Construction

Device construction	Built-in device fixed built-in technique
Height	130 mm

Electrical & Connectivity

Electrical life cycle	8000 @ 415V AC
Frame size	125 A
Hp rating	25Hp @ 575V, 3-phase
Instantaneous trip circuit breaker (magnetic only) SCCR, max	65kA @ 480V AC per NEMA/UL-489/CSA for combination controller rating
Instantaneous trip setting	3 to 125 A
Insulation voltage (Ui)	Rated 1000V per IEC
Interrupting rating/breaking capacity	35...65kA @ 480V
KW rating, max	37 kW @ 690V, 3-phase, AC-3
Magnetic trip current	Cam setting I: 550 A
Motor drive integrated	False
Motor drive optional	True
Number of auxiliary contacts as change-over contact	2
Number of poles	3
Position of connection for main current circuit	Front side
Protection type	Adjustable magnetic only (less than 13 x In)
Rated impulse withstand voltage (Uimp)	8 kV
Rated permanent current Iu	50 A
Rated service short-circuit breaking capacity (Ics)	100% of Icu @ 690V AC per IEC 60947-2/GB 14048.2
Rated service short-circuit breaking capacity for Type D combination (Ics)	100% of Icu @ 690V AC per IEC 60947-2/GB 14048.2
Rated ultimate short-circuit breaking capacity (Icu)	65kA @ 220...230V AC per IEC 60947-2/GB 14048.2
Rated ultimate short-circuit breaking capacity for Type D combination (Icu)	65kA @ 440V AC per IEC 60947-2/GB 14048.2
Type of control element	Toggle
Type of electrical connection of main circuit	Screw connection
Watt loss	15 W
With integrated under voltage release	False
With switched-off indicator	False

Drawings

Drawings
3-Dimensional STEP model (STP)	Download (ZIP)
2-Dimensional Drawing (PDF)	Download (PDF)
Product Drawing	Drawing (DXF)

Drawings
3-Dimensional STEP model (STP) Download (ZIP)
2-Dimensional Drawing (PDF) Download (PDF)
Product Drawing Drawing (DXF)

Click the Download CAD button below to view all file formats available for download.

Documents

Breaker Wars: MCCB vs MPCB vs MCP vs MCB Podcast General
--

Product Cutsheet General
--

Link to Literature Library for Selectivity Guide General
140G-TD050

Link to Literature Library for Installation Instructions General
140G-IN097

Specifications and Technical Data General
140G-TD101

140g-td102_-en-p Technical Data
140G-TD102

General	Publication
Breaker Wars: MCCB vs MPCB vs MCP vs MCB Podcast	--
Product Cutsheet	--
Link to Literature Library for Selectivity Guide	140G-TD050
Link to Literature Library for Installation Instructions	140G-IN097
Specifications and Technical Data	140G-TD101
Technical Data	Publication
140g-td102_-en-p	140G-TD102

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

${name=UKCA DOC, link=http://literature.rockwellautomation.com/idc/groups/literature/documents/ct/140mg-ct017_-en-e.pdf}$

UKCA DOC

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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

Accessories

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Technotes

Technotes

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