Better World

Schneider Electric Acti9 C120N Miniature Circuit Breaker, 3-Pole, 125A, Type C, 440V ac AC, 375 V dc DC, 10 kA Breaking

View all MCBs

Subtotal (1 unit)*

€722.28

(exc. VAT)

€888.40

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 1 unit(s) shipping from 20 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +€722.28

*price indicative

Better World

Our Better World range features products that make it easy for you to make a greener product choice you can trust. Click here to find out more.

RS Stock No.:
776-3076
Mfr. Part No.:
A9N18369
Manufacturer:
Schneider Electric
Find similar products by selecting one or more attributes.
Select all

Brand

Schneider Electric

Number of Poles

3

Product Type

Miniature Circuit Breaker

Current Rating

125A

Tripping Characteristics

Type C

Rated AC Voltage

440V ac

Rated DC Voltage

375V dc

Mount Type

DIN Rail

Breaking Capacity

10kA

Range

Acti9

Series

C120N

Terminal Type

Tunnel

IP Rating

IP20

Height

81mm

Depth

81mm

Standards/Approvals

RoHS, EAC, EN/IEC 60898-1, EN/IEC 60947-2, REACH

Width

81mm

Better World Product

Yes

Reset Actuator Type

Toggle Switch

Break Time

Instantaneous

Tripping Mechanism

Thermal Magnetic

COO (Country of Origin):
FR

Schneider Electric C120N Series MCB, 125A Current Rating, 3 Poles - A9N18369


This MCB is an essential component for electrical distribution systems, ensuring effective short circuit protection and reliable operation. The dimensions of this compact unit include a width and height of 81mm and a depth of 73mm, making it suitable for DIN rail mounting. Designed for a current rating of 125A, it supports both AC and DC applications with a rated voltage of up to 440V.

Features & Benefits


• Offers Type C tripping characteristics for medium load protection

• Equipped with thermal-magnetic technology for enhanced reliability

• Features tunnel terminal contacts for secure and easy wiring

• Supports installation on standard 35mm symmetrical DIN rails

• Designed for both operational isolation and distribution usage

Applications


• Utilised in commercial and industrial electrical panels

• Applied in automation systems requiring reliable circuit protection

• Effective in environments with varying electrical loads

• Suitable for use in mechanical and electrical installations

• Ideal for protecting sensitive equipment from overload conditions

What type of terminal connections does this device accommodate?


This circuit breaker features tunnel type terminals that can support rigid wires from 1 to 50 mm² and flexible wires from 1.5 to 35 mm², ensuring versatility and adaptability in various installations.

How does the breaking capacity of this unit compare for AC and DC applications?


For AC applications, it has a breaking capacity of 10kA for voltages up to 440V, while for DC applications, it is rated at 10kA for voltages up to 375V, confirming its efficacy in both system types.

What are the operational temperature limits for this circuit breaker?


The operational temperature range for this device is -25°C to 70°C, allowing it to function efficiently in diverse environmental conditions without compromising performance.

Related links