Item No.: LYM9N

Key Specifications：

Scope of application
LYM9N miniature circuit breaker is mainly used for overload and short circuit protection in AC voltage 50 Hz/60 Hz,rated voltage 240 V, and rated current up to 40A. lt can also be used fornormal switching operations with infrequent switching. It’s suitable for various places such asindustrial,commercial, high-rise and residential buildings.
Compliant with:lEC60898-1,GB10963.1

The LYM9N is an AC miniature circuit breaker designed with a neutral-pole configuration, providing enhanced safety for single-phase AC distribution systems.

🔹 Core Technical Knowledge

Pole configuration: 1P+N
Protection mechanism: Thermal-magnetic trip
System type: Single-phase AC
Installation: 35 mm DIN rail
Manufacturer role: Factory-direct AC MCB manufacturer

🔹 Why use a 1P+N MCB?

Disconnects both live and neutral simultaneously
Reduces residual voltage risks during maintenance
Improves user safety in residential installations

🔹 Standards & Compliance

Manufactured according to IEC 60898, suitable for CE-certified low-voltage electrical systems in international markets.

🔹 OEM / Factory Advantage

We are a professional MCB factory and OEM supplier, supporting bulk orders, private labeling, and customized pole configurations.

🔹 Use Cases / Industries

Residential electrical panels
Apartment power distribution
Renovation projects
Electrical installers and contractors
OEM distribution board manufacturing

FAQs

Q1: What is the main feature of the LYM9N MCB?
A: The LYM9N is designed with neutral switching capability, providing enhanced protection in specific single-phase systems.

Q2: Why is neutral protection important in some installations?
A: In certain power systems, disconnecting the neutral line helps prevent abnormal voltage conditions and wiring hazards.

Q3: What type of applications require LYM9N MCBs?
A: It is commonly used in residential and commercial systems where line and neutral isolation is required.

Q4: What protection mechanisms are included in the LYM9N?
A: The device integrates thermal-magnetic protection for reliable overload and short-circuit response.

Q5: Is the LYM9N suitable for DIN rail mounting?
A: Yes, it is designed for standard modular DIN rail installation.

Q6: Can this model be customized for OEM projects?
A: Yes, we support OEM/ODM production as an experienced MCB factory.