The TBC-220M 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 ensures optimal safety and reliability for residential, commercial, and light industrial installations. Compliant with IEC 60898-1 standards and certified by leading international bodies, the TBC-220M combines robust construction with precise protection characteristics.
The TBC-220M Miniature Circuit Breaker represents a reliable solution for protecting electrical circuits in diverse applications. This 2-pole MCB is specifically designed to safeguard against both overload conditions and short-circuit faults, ensuring continuous protection of your electrical infrastructure.
Engineered with thermal-magnetic tripping technology, the TBC-220M combines the benefits of thermal protection for overload conditions with magnetic protection for short-circuit faults. The Type C tripping characteristic makes it particularly suitable for circuits with moderate inrush currents, including lighting circuits, distribution boards, and general-purpose applications in residential and commercial environments.
With a rated current of 20A and breaking capacity of 6kA at 415V AC, this MCB provides robust protection while maintaining compact dimensions. The standard DIN rail mounting system ensures quick and secure installation in distribution boards and enclosures. Built to withstand demanding environmental conditions, the TBC-220M operates reliably across a temperature range of -35°C to +70°C, making it suitable for various installation environments.
Certified to international standards including IEC 60898-1 and bearing CB, CE, and TÜV certifications, the TBC-220M meets the highest quality and safety requirements for modern electrical installations.
Tripping Technology: The TBC-220M employs thermal-magnetic tripping technology, combining a bimetallic strip for overload protection with an electromagnetic release for short-circuit protection. This dual-protection mechanism ensures comprehensive circuit safety across all fault conditions.
Type C Tripping Curve: The Type C characteristic provides tripping between 5 and 10 times the rated current, making it ideal for circuits with moderate inrush currents such as fluorescent lighting, small motors, and general distribution applications.
Breaking Capacity: With a 6kA breaking capacity at 415V AC, the TBC-220M can safely interrupt fault currents up to 6,000 amperes, providing adequate protection for residential and light commercial installations.
Electrical Ratings: Rated for operation at 415V AC with 50/60 Hz frequency, the MCB features a rated impulse voltage of 4kV, ensuring protection against voltage transients. The 20A rated current capacity suits medium-load circuits.
Mechanical Construction: The robust housing provides IP20 degree of protection and accommodates a toggle control mechanism for manual operation. The device is designed for 35mm DIN rail mounting, ensuring compatibility with standard distribution boards.
Durability: Engineered for long service life, the TBC-220M offers mechanical durability of 20,000 operations and electrical durability of 4,000 operations under load conditions.
Environmental Performance: The MCB operates reliably across an extended temperature range of -35°C to +70°C and tolerates relative humidity up to 95%, making it suitable for diverse installation environments.
| Parameter | Specification |
|---|---|
| Electrical Characteristics | |
| Model Number | TBC-220M |
| Type | Miniature Circuit Breaker (MCB) |
| Number of Poles | 2P |
| Rated Current (In) | 20 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 |
| Mechanical Characteristics | |
| Control Type | Toggle |
| Mounting Type | DIN Rail (35 mm) |
| Mechanical Durability | 20,000 operations |
| Electrical Durability | 4,000 operations |
| Environmental Conditions | |
| Operating Temperature | −35 °C to +70 °C |
| Relative Humidity | 0 – 95 % |
| Degree of Protection | IP20 |
| Physical Dimensions | |
| Height | 78 mm |
| Width | 36 mm |
| Depth | 66 mm |
| Standards & Certifications | |
| Compliance Standard | IEC 60898-1 |
| Certifications | CB CERT, CE Marking, TÜV |
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