Schneider Electric Acti9 C120N Miniature Circuit Breaker, 1-Pole, 125A, Type C, 240V ac AC, 125 V dc DC, 10 kA Breaking

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RS Stock No.:
230-6681
Mfr. Part No.:
A9N18359
Manufacturer:
Schneider Electric
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Brand

Schneider Electric

Product Type

Miniature Circuit Breaker

Number of Poles

1

Current Rating

125A

Tripping Characteristics

Type C

Rated AC Voltage

240V ac

Rated DC Voltage

125V dc

Breaking Capacity

10kA

Mount Type

DIN Rail

Range

Acti9

Series

C120N

Terminal Type

Tunnel

IP Rating

IP20

Width

27mm

Depth

73mm

Height

81mm

Standards/Approvals

IEC 60947-2, EN 60947-2

Reset Actuator Type

Toggle Switch

Tripping Mechanism

Thermal Magnetic

COO (Country of Origin):
CN

Schneider Electric C120N Series MCB, 125A Current Rating, 15kA Breaking Capacity - A9N18359


This miniature circuit breaker (MCB) is designed for distribution applications, providing robust protection against short circuits and overloads. With a current rating of 125A and a width of 81mm, it is ideal for installation on DIN rails, making it a practical choice for various electrical systems.

Features & Benefits


• Thermal-magnetic mechanism enhances circuit reliability

• 15kA breaking capacity ensures effective fault clearance

• Compact design with dimensions suited for standard installations

• Tunnel terminals accommodate a range of wire sizes

• IP20 rating provides adequate protection against dust particles

Applications


• Utilised in industrial automation systems for power distribution

• Effective in commercial buildings for electrical safety

• Integrated into machinery for overload and short circuit protection

• Suitable for residential electrical panels to prevent failures

What type of loads is this circuit breaker suitable for?


The C curve classification indicates suitability for applications involving inductive loads, such as motors and transformers, providing reliable operation under normal conditions.

How does the thermal-magnetic mechanism work?


The thermal-magnetic mechanism combines thermal sensitivity for overloads and magnetic activation for short circuits, providing comprehensive protection and uninterrupted operation in critical systems.

Can multiple devices be interconnected with this MCB?


Yes, it can be installed alongside other devices on a DIN rail, allowing flexible configurations and efficient management of electrical circuits within distribution boards.

What is the significance of the 15kA breaking capacity rating?


This rating indicates the maximum fault current the MCB can interrupt without sustaining damage, ensuring that it remains functional after potential overloads.

What are the environmental considerations for use?


The MCB operates efficiently in ambient temperatures ranging from -25°C to 70°C, suitable for diverse environments, including areas of high humidity.

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