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Allen Bradley

Allen Bradley 140G-K6F3-D40 400A K-Frame Molded Case Circuit Breaker

Allen Bradley 140G-K6F3-D40 K-Frame molded case circuit breaker.

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ManufacturerAllen Bradley

Part number140G-K6F3-D40

Frame K, 400A

Number of Poles 3

Trip Type Adjustable Thermal/Adjustable Magnetic

Interrupt Rating 65 kAIC @ 480V AC

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Veteran-owned

CAGE: 9NK75

K-Frame design 400A rating 3-pole Adjustable thermal and magnetic trip High interrupting capacity (65 kAIC) Line protection

Product description

The Allen-Bradley 140G-K6F3-D40 is a K-Frame molded case circuit breaker (MCCB) offering robust protection for industrial power systems. It features a 400 Amp frame size and a 3-pole configuration, suitable for three-phase applications. This breaker is equipped with an adjustable thermal and adjustable magnetic trip type, allowing for precise protection settings. It boasts a high interrupting rating of 65 kAIC, ensuring safety and reliability in fault conditions.

This MCCB is designed for line protection of control panels and is essential for safeguarding electrical circuits against overcurrents and short circuits. Its high interrupting capacity makes it ideal for use in manufacturing, process industries, and heavy-duty automation applications where system integrity is critical.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen-Bradley 140G-K6F3-D40. Partner with Stanlo for cost-effective, reliable surplus automation components to keep your operations running smoothly.

Technical specifications

Frame	K, 400A
Number of Poles	3
Trip Type	Adjustable Thermal/Adjustable Magnetic
Interrupt Rating	65 kAIC @ 480V AC
Voltage	600 VAC

Common applications

Industrial Control Panels

Motor Protection

Manufacturing

Process Industries

Automation

Heavy-Duty Applications

Compatible systems

Requires compatible Allen-Bradley 140G series trip units

Also known as

140G-K6F3-D40 AB 140G-K6F3-D40 Allen Bradley 400A K-Frame 140G MCCB

Replaces / compatible with

Compatible with Allen-Bradley 140G series trip units and accessories. Consult documentation for specific compatibility.

Technical note

Expert tip

The adjustable thermal trip settings for the 140G-K6F3-D40 should be set according to the motor full load amperage or the circuit's continuous current rating.

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Frequently asked questions

What is the interrupting capacity of the Allen-Bradley 140G-K6F3-D40 circuit breaker?

The Allen-Bradley 140G-K6F3-D40 circuit breaker features a high interrupting rating of 65 kAIC at 480V AC. This substantial capacity ensures it can safely interrupt fault currents, protecting equipment and personnel.