imo b10b3n80a mcb 10ka, b curve 3p+n 80a 415vac vde

Why Choose the IMO B10B3N80A Miniature Circuit Breaker?

The IMO B10B3N80A is a high performance miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in industrial, commercial and OEM electrical installations. As part of the proven IMO B10 circuit protection range, it delivers dependable operation, high fault protection and straightforward installation for demanding three-phase power distribution systems.

Featuring a B curve tripping characteristic, this MCB is ideal for circuits with relatively low inrush currents where rapid fault disconnection is required. Its 10 kA short circuit breaking capacity provides enhanced protection for installations with higher prospective fault currents, helping safeguard electrical equipment and wiring.

With an 80 A current rating and a 3 pole + neutral configuration, the B10B3N80A is suitable for protecting three-phase circuits requiring switched neutral functionality. Its TS35 DIN rail mounting design enables quick installation inside distribution boards, industrial switchgear and automation control panels.

Key Advantages

• Reliable miniature circuit breaker for industrial and commercial applications.
• 80 A rated current for high load three-phase circuits.
• B curve tripping characteristic for rapid fault protection.
• 10 kA short circuit breaking capacity.
• 3 pole + neutral configuration for comprehensive circuit isolation.
• Compact TS35 DIN rail mounting for efficient installation.

Key Features

• IMO B10 miniature circuit breaker series.
• 80 A rated current.
• B curve tripping characteristic.
• 10 kA breaking capacity.
• 3 pole + neutral construction.
• Suitable for 230 / 415 V AC installations.
• Compatible with pin and fork type busbars.
• DIN rail mounting with finger-safe terminals.

Technical Specifications

• Manufacturer: IMO
• Series: B10
• Model: B10B3N80A
• Product type: Miniature circuit breaker
• Rated current: 80 A
• Tripping characteristic: B Curve
• Breaking capacity: 10 kA
• Number of poles: 3 Pole + Neutral
• Rated voltage: 230 / 415 V AC
• Standards: IEC 60898-1, IEC 60947-2, CE, VDE
• Mounting type: TS35 DIN rail
• Protection rating: IP20
• Terminal capacity: 35 mm² solid, 25 mm² stranded
• Operating temperature: -25 °C to +55 °C

Reliable Protection for Three-Phase Electrical Systems

The IMO B10B3N80A automatically disconnects electrical circuits during overload or short circuit conditions, protecting cables, switchgear and connected equipment from excessive current. Its high 10 kA fault rating makes it suitable for demanding industrial and commercial installations.

Designed to recognised international standards, the B10 series combines dependable performance, compact dimensions and straightforward installation, making it an excellent choice for panel builders, electrical contractors and machine manufacturers.

Typical Applications

• Industrial control panels.
• Three-phase distribution boards.
• OEM machinery.
• Commercial electrical installations.
• Power distribution systems.
• Manufacturing and processing facilities.

Trusted by Electrical Professionals Worldwide

IMO B10 miniature circuit breakers are trusted by electrical engineers, panel builders and machine manufacturers for dependable protection, straightforward installation and long-term reliability in low voltage electrical systems.