140G-K0F3-D40-MU

140G 400A K Frame Molded Case Ckt-Bkr

Name: 140G 400A K Frame Molded Case Ckt-Bkr
Brand: Rockwell Automation
SKU: 140G-K0F3-D40-MU

Serial #:

Lifecycle status: Discontinued

Rockwell Automation announces that as of September 27, 2024, the 140G 400A K Frame Molded Case Ckt-Bkr will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)

Discontinued Date: September 27, 2024 Replacement Category: No planned RA replacement

Lifecycle status: Discontinued

Discontinued Date: September 27, 2024 Replacement Category: No planned RA replacement

Unique Product Identifier	140G-K0F3-D40-MU
UPC	887172884283
Standard Warranty Duration	1 year See details
Country of Origin	Italy

Ambient temperature without derating	104 °F
Depth	108.5 mm
Operational voltage (Ue)	90% of voltage rating @ 3000 m (9840 ft) altitude
Rated uninterrupted current (Iu)	98% of current rating @ 3000 m (9840 ft) altitude
Storage temperature	-40 °F
Width	140 mm
Wire temperature rating	Al or Cu 75°C

Complete device with protection unit	True
Current range	80% MCCB
Electrical life cycle	7000 (400 A)/5000 (600 A) @ 415V AC
Frame size	400 A
Insulation voltage (Ui)	Rated 1000V per IEC
Integrated earth fault protection	False
Interrupting rating	65kA @ 600V AC, 50/60 Hz per NEMA, UL, CSA
Magnetic trip current (Im)	2000 A
Motor drive integrated	False
Motor drive optional	True
Number of poles	3
Position of connection for main current circuit	Front side
Protection type	T/M-adjustable thermal/adjustable magnetic TMA
Rated impulse withstand voltage (Uimp)	8 kV
Rated permanent current Iu	400 A
Rated service short-circuit breaking capacity (Ics)	IEC 60947-2: 100% Icu @ 750V DC, 3-poles in series, thermal-magnetic trip units only
Rated ultimate short-circuit breaking capacity (Icu)	IEC 60947-2: 85kA @ 500V AC, 50/60 Hz
Thermal trip current (Ir)	280 A
Thermal trip rating, max	400 A @ ambient temperature 40 °C
Type of control element	Toggle
Type of electrical connection of main circuit	Screw connection
Voltage for reverse-fed circuit breaker, max	690V AC per IEC
Watt loss	Thermal magnetic type: 58.5 W
With integrated under voltage release	False
With switched-off indicator	False

Mechanical

DIN rail (top hat rail) mounting optional	False
Degree of protection (IP)	IP40
Factory option	Standard busbar mount, universal
Mechanical life operations	20000 /h
Shock	Peak acceleration: 150 m/s² peak, pulse duration 11 ms
Suitable for DIN rail (top hat rail) mounting	False
Vibration	2...13.2 Hz ±1 mm, 13.2...100 Hz ±0.7 G
Weight	7.17 lb

Construction

Device construction	Built-in device fixed built-in technique
Height	205 mm

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

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This product was certified with the above certifications as of 2026-10-02. 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	140G-K0F3-D40-MU
UPC	887172884283
Standard Warranty Duration	1 year See details
Country of Origin	Italy

Compliance & Environment

Ambient temperature without derating	104 °F
Depth	108.5 mm
Operational voltage (Ue)	90% of voltage rating @ 3000 m (9840 ft) altitude
Rated uninterrupted current (Iu)	98% of current rating @ 3000 m (9840 ft) altitude
Storage temperature	-40 °F
Width	140 mm
Wire temperature rating	Al or Cu 75°C

Electrical & Connectivity

Complete device with protection unit	True
Current range	80% MCCB
Electrical life cycle	7000 (400 A)/5000 (600 A) @ 415V AC
Frame size	400 A
Insulation voltage (Ui)	Rated 1000V per IEC
Integrated earth fault protection	False
Interrupting rating	65kA @ 600V AC, 50/60 Hz per NEMA, UL, CSA
Magnetic trip current (Im)	2000 A
Motor drive integrated	False
Motor drive optional	True
Number of poles	3
Position of connection for main current circuit	Front side
Protection type	T/M-adjustable thermal/adjustable magnetic TMA
Rated impulse withstand voltage (Uimp)	8 kV
Rated permanent current Iu	400 A
Rated service short-circuit breaking capacity (Ics)	IEC 60947-2: 100% Icu @ 750V DC, 3-poles in series, thermal-magnetic trip units only
Rated ultimate short-circuit breaking capacity (Icu)	IEC 60947-2: 85kA @ 500V AC, 50/60 Hz
Thermal trip current (Ir)	280 A
Thermal trip rating, max	400 A @ ambient temperature 40 °C
Type of control element	Toggle
Type of electrical connection of main circuit	Screw connection
Voltage for reverse-fed circuit breaker, max	690V AC per IEC
Watt loss	Thermal magnetic type: 58.5 W
With integrated under voltage release	False
With switched-off indicator	False

Physical Characteristics

Mechanical

DIN rail (top hat rail) mounting optional	False
Degree of protection (IP)	IP40
Factory option	Standard busbar mount, universal
Mechanical life operations	20000 /h
Shock	Peak acceleration: 150 m/s² peak, pulse duration 11 ms
Suitable for DIN rail (top hat rail) mounting	False
Vibration	2...13.2 Hz ±1 mm, 13.2...100 Hz ±0.7 G
Weight	7.17 lb

Construction

Device construction	Built-in device fixed built-in technique
Height	205 mm

Drawings

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

Documents

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

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.

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Certifications

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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

Technotes

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