TBC-225M Miniature Circuit Breaker (MCB) 2P 25A 6kA

Name: TBC-225M Miniature Circuit Breaker (MCB) 2P 25A 6kA
Brand: TBC
SKU: TBC-225M

TBC-225M

The TBC-225M is a high-performance 2-pole miniature circuit breaker engineered to deliver dependable protection against overload and short-circuit faults in low-voltage electrical distribution systems. Featuring thermal-magnetic tripping technology with Type C characteristic and 6kA breaking capacity, this MCB is ideal for residential, commercial, and light industrial installations where reliable circuit protection is essential.

Key Features

2-pole configuration for comprehensive circuit protection
25A rated current capacity for medium-load applications
6kA breaking capacity compliant with IEC 60898-1 standards
Type C tripping curve optimized for inductive loads and motor circuits
Thermal-magnetic tripping technology for dual protection against overloads and short circuits
Fast tripping response time of less than 0.1 seconds
DIN rail mounting (35mm) for quick and easy installation
Wide operating temperature range from -35°C to +70°C
High mechanical durability rated for 20,000 operations
Compact design with IP20 degree of protection
CB CERT, CE, and TÜV certified for quality assurance

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The TBC-225M Miniature Circuit Breaker represents a robust solution for protecting electrical circuits in diverse environments. This 2-pole MCB combines advanced thermal-magnetic tripping technology with a Type C characteristic curve, making it particularly suitable for applications involving inductive loads, transformers, and motor-driven equipment.

Designed to meet the rigorous requirements of IEC 60898-1 standards, the TBC-225M offers a breaking capacity of 6kA, ensuring reliable interruption of fault currents in residential and commercial installations. The device operates efficiently across a rated voltage of 415V AC at 50/60 Hz, with a rated impulse voltage withstand of 4kV.

The compact 36mm width design allows for space-efficient installation in distribution boards, while the standard 35mm DIN rail mounting ensures compatibility with existing electrical infrastructure. With an IP20 protection rating and operational capability in temperatures ranging from -35°C to +70°C, the TBC-225M delivers consistent performance across varied environmental conditions.

Certified by leading international bodies including CB CERT, CE, and TÜV, this MCB provides peace of mind through verified compliance with global safety and performance standards.

Tripping Technology: The TBC-225M employs thermal-magnetic tripping technology, combining a bimetallic thermal element for overload protection with an electromagnetic release for short-circuit protection. The Type C characteristic provides tripping at 5-10 times the rated current, making it ideal for circuits with moderate inrush currents.

Breaking Capacity: With a 6kA breaking capacity at 415V AC, this MCB can safely interrupt fault currents up to 6,000 amperes, suitable for most residential and commercial applications where fault levels are moderate.

Electrical Durability: Rated for 4,000 electrical operations and 20,000 mechanical operations, the TBC-225M ensures long-term reliability and minimal maintenance requirements throughout its service life.

Installation: The device mounts on standard 35mm DIN rail, facilitating rapid installation and replacement. The toggle control mechanism provides clear ON/OFF indication and manual operation for maintenance and testing purposes.

Environmental Performance: Engineered to operate reliably in ambient temperatures from -35°C to +70°C with relative humidity up to 95%, the TBC-225M maintains consistent protection across challenging environmental conditions.

Standards Compliance: Fully compliant with IEC 60898-1 international standards for miniature circuit breakers, ensuring interoperability and safety in global electrical installations.

Residential distribution boards and consumer units
Commercial building electrical systems and office complexes
Light industrial facilities and manufacturing plants
Retail establishments and shopping centers
Educational institutions including schools and universities
Healthcare facilities and medical centers
Hospitality sector including hotels and restaurants
General low-voltage protection circuits up to 415V AC
Motor control circuits and inductive load protection
Lighting circuits with moderate inrush currents
HVAC system protection and control panels
Electrical workshops and maintenance facilities

Parameter	Specification
Model Number	TBC-225M
Type	Miniature Circuit Breaker (MCB)
Number of Poles	2P
Rated Current (In)	25 A
Rated Voltage (Un)	415 V AC
Rated Frequency	50 / 60 Hz
Rated Impulse Voltage	4 kV
Network Type	AC
Tripping Technology	Thermal-Magnetic
Tripping Curve	Type C
Tripping Time	t < 0.1 s
Breaking Capacity (Icn)	6 kA
Standard	IEC 60898-1
Control Type	Toggle
Mounting Type	DIN Rail (35 mm)
Mechanical Durability	20,000 operations
Electrical Durability	4,000 operations
Operating Temperature	−35 °C to +70 °C
Relative Humidity	0 – 95 %
Degree of Protection	IP20
Height	78 mm
Width	36 mm
Depth	66 mm
Certifications	CB CERT, CE, TÜV

TBC-225M Miniature Circuit Breaker (MCB) 2P 25A 6kA

Key Features

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