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Home/Electrical/Switchgear/Circuit Breakers/Moulded Case Circuit Breaker (MCCB)/Allen-Bradley 140G MCCB K Frame 50kA 3P 400A Adjustable Thermal Magnetic

Trade Discount 25%

Allen-Bradley 140G MCCB K Frame 50kA 3P 400A Adjustable Thermal Magnetic

SKU: 140GK3F3D40

BRAND: NHP

Allen-Bradley 140G MCCB K Frame 50kA 3P 400A Adjustable Thermal Magnetic

$1,842.60 List price: $2,446.70

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30 Days Return Delivery Options

Description
Attachments

Product Name/Title: Allen-Bradley 140G MCCB K Frame 50kA 3P 400A Adjustable Thermal Magnetic

Brand: NHP

SKU: 140GK3F3D40

Alternatively Known As: Moulded Case Circuit Breaker, MCCB, Circuit Breaker 400A

Technical Specifications

Rated Current: 400 A
Number of Poles: 3
Max Rated Operation Voltage: 690 V
Rated Ultimate Short Circuit Breaking Capacity: 50 kA
Rated Service Short Circuit Breaking Capacity: 50 kA
Type of Protection: Thermal/magnetic release
Trip Curve: Adjustable thermal, adjustable magnetic
Long Time Overload Protection Adjustment Range: 280-400 A
Instantaneous Protection Adjustment Range: 2000-4000 A
Rated Frequency: 50-60 Hz
Rated Insulation Voltage: 1000 V
Rated Short Circuit Breaking Capacity (ICU): 25 kA at 690 V AC
Rated Impulse Withstand Voltage: 8 kV
Electrical Life: 7000 cycles
Mechanical Life: 20000 cycles
Power Loss: 58.5 W
Rated Surrounding Temperature: 40 °C
Maximum Operating Temperature: 75 °C
Storage Temperature: -40 to 80 °C
Max Altitude Before Derating: 2000 m
Dimensions (H x L x W): 205mm x 103.5mm x 139.5mm
Weight: 3.25 kg

Key Features

Adjustable thermal and magnetic trip settings for customized protection.
High breaking capacity of 50 kA for reliable short circuit protection.
Suitable for isolation and reverse connection of supply.

Professional Installation Requirements

Professional installation by a qualified electrician is recommended for optimal safety.

Applications

Industrial: Power distribution and protection in manufacturing facilities
Commercial: Electrical systems in commercial buildings
General: Suitable for various electrical installations requiring circuit protection

Standards & Compliance

Complies with AS/NZS 60950 for safety and performance standards.

Environmental Benefits

Designed for high efficiency, reducing energy loss and improving system reliability.

Warranty Information

Standard warranty as per manufacturer’s policy.

Available Now

The Allen-Bradley 140G MCCB K Frame 50kA 3P 400A Adjustable Thermal Magnetic is available now for immediate purchase. Ideal for industrial and commercial electrical systems.

Non-Returnable & Non-Cancellable

140GK3F3D40-AU-140G-MCCB-K-Frame-Datasheet.pdf (140GK3F3D40-AU-140G-MCCB-K-Frame-Datasheet.pdf, 235 Kb) [Download]

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