Item No.: LYM9H

Key Specifications：

Scope of application
LYM9H high breaking small circuit breaker is suitable for Ac 50/60Hz, rated voltage 240V/415V,rated current up to 6 3A for over load and short circuit protection, and it can also be used for infrequent operation conversion of lines under normal conditions .It’s suitable for terminal distribution lines in commercial office buildings, residential andgeneral industrial use.
Compliant with :lEC60898-1，GB10963.1，and obtained CE,CB,BVand other certifications.

The LYM9H is a high-breaking-capacity AC miniature circuit breaker designed for environments with elevated short-circuit levels.

🔹 Technical Differentiation

Breaking capacity: High short-circuit interruption level
Application focus: Commercial and industrial power systems
Trip technology: Thermal + magnetic protection
Mounting: DIN rail compatible

🔹 What problem does LYM9H solve?

Protects circuits in locations with unstable grids
Handles higher prospective short-circuit currents
Improves system reliability under harsh conditions

🔹 Compliance & Manufacturing

Produced in accordance with IEC low-voltage protection standards, with CE compliance for global distribution.

🔹 Manufacturer & OEM Capability

As a dedicated MCB manufacturer and factory, we provide OEM/ODM production, bulk supply, and customized technical parameters.

🔹 Use Cases / Industries

Commercial buildings
Industrial workshops
Machinery power supply lines
Electrical control cabinets
Power system integrators

FAQs

Q1: What makes the LYM9H different from standard AC MCBs?
A: The LYM9H is designed with a higher short-circuit breaking capacity, making it suitable for power systems with higher prospective fault currents compared to standard residential MCBs.

Q2: Where is a high breaking capacity MCB typically required?
A: It is commonly used in commercial buildings, industrial control panels, and substations where fault current levels are higher.

Q3: What tripping mechanism does this MCB use?
A: The LYM9H uses a thermal-magnetic protection system to provide reliable overload and short-circuit protection.

Q4: Does this product comply with international standards?
A: Yes, it is manufactured according to IEC / EN 60898-1 standards, ensuring safety and global compatibility.

Q5: Is OEM branding available for this model?
A: As a professional AC MCB manufacturer, we support OEM/ODM customization, including logo and packaging.