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Schneider Electric A9F90340 Miniature Circuit Breaker: 40A, Type C

Schneider Electric A9F90340 3-Pole MCB

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ManufacturerSchneider Electric

Part numberA9F90340

Number of Poles 3

Rated Current 40A

Tripping Curve Type C

Breaking Capacity 6kA

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CAGE: 9NK75

3-Pole Protection 40A Rating Type C Curve 6kA Breaking Capacity DIN Rail Mountable Overcurrent and Short-Circuit Protection

Product description

The Schneider Electric A9F90340 is a 3-pole miniature circuit breaker (MCB) from the Acti9 series, rated at 40 Amps with a Type C tripping characteristic. It provides robust overcurrent and short-circuit protection for electrical circuits.

This MCB is widely used in industrial facilities, commercial buildings, and demanding residential applications where reliable protection is needed for circuits with higher inrush currents, such as motor loads or large lighting systems. The Type C curve ensures it can handle these surges without unnecessary tripping.

Stanlo Automation, a veteran-owned distributor, offers the Schneider Electric A9F90340. We provide quality surplus automation and electrical components to ensure the integrity and safety of your electrical infrastructure.

Technical specifications

Number of Poles	3
Rated Current	40A
Tripping Curve	Type C
Breaking Capacity	6kA
Voltage Rating	400V AC
Frequency	50/60Hz
Mounting	DIN Rail

Common applications

Industrial Power Distribution

Commercial Main Feeders

Motor Protection

Large Lighting Circuits

HVAC Systems

Power Distribution Boards

Compatible systems

Schneider Electric Acti9 Distribution Boards Schneider Electric iC60 MCBs Standard DIN Rail Mounting Systems

Also known as

Schneider A9F90340 MCB Acti9 40A 3P C Curve Schneider Circuit Breaker 40A

Replaces / compatible with

This MCB serves as a reliable replacement for older or equivalent 3-pole, 40A, Type C miniature circuit breakers that utilize standard DIN rail mounting.

Technical note

Expert tip

Verify that the installation's calculated prospective short-circuit current does not exceed the 6kA breaking capacity of the A9F90340 to ensure safety.

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Frequently asked questions

What is the breaking capacity of the Schneider Electric A9F90340?

The Schneider Electric A9F90340 miniature circuit breaker has a breaking capacity of 6kA (kiloamperes). This rating indicates the maximum fault current it can safely interrupt without sustaining damage.