imo br6d3020a mcb 6ka, d curve, 3 pole, 20 amp, ce

Why Choose the IMO BR6D3020A Miniature Circuit Breaker?

The IMO BR6D3020A is a dependable three-pole miniature circuit breaker (MCB) designed to protect electrical installations against overloads and short circuits. As part of the proven IMO BR6 circuit protection range, it provides reliable protection for commercial, industrial and OEM applications requiring safe three-phase circuit protection.

Manufactured in accordance with IEC 60898-1, this MCB features a D curve tripping characteristic, making it particularly suitable for circuits with high inrush currents, including motors, transformers, compressors and other inductive loads. Its compact modular design enables straightforward installation into switchgear, control panels and distribution boards.

With a 20 A rated current, three-pole configuration, 6 kA short circuit breaking capacity and 230/400 V AC operating voltage, the BR6D3020A delivers dependable protection while helping maximise electrical system reliability.

Key Advantages

• Reliable three-pole miniature circuit breaker.
• 20 A rated current for industrial three-phase circuits.
• D curve tripping characteristic for high inrush current applications.
• 6 kA short circuit breaking capacity.
• DIN rail mounting for rapid installation.
• Suitable for motors, transformers and inductive loads.
• Finger-safe IP20 terminals improve installation safety.
• Compatible with terminal, pin and fork busbar connections.

Key Features

• IMO BR6 miniature circuit breaker series.
• 20 A rated current.
• Three-pole configuration.
• D curve tripping characteristic.
• 230/400 V AC operating voltage.
• 6 kA breaking capacity.
• Manufactured to IEC 60898-1.
• 35 mm DIN rail mounting.
• Contact position indication window.
• Transparent label window and central trip indication.

Technical Specifications

• Manufacturer: IMO Precision Controls
• Series: BR6
• Model: BR6D3020A
• Product type: Miniature Circuit Breaker (MCB)
• Rated current: 20 A
• Number of poles: 3
• Tripping curve: D
• Rated voltage: 230/400 V AC
• Frequency: 50/60 Hz
• Short circuit breaking capacity: 6 kA
• Mounting type: 35 mm DIN rail
• Protection rating: IP20 terminals
• Operating temperature: -30°C to +60°C
• Compliance: IEC 60898-1, CE

Reliable Protection for Three-Phase Installations

Miniature circuit breakers automatically disconnect electrical circuits during overload and short circuit conditions, protecting electrical equipment, wiring and connected devices while improving installation safety and reducing downtime.

The IMO BR6D3020A is particularly suited to industrial applications where motors and other inductive loads generate high starting currents. Its D curve operating characteristic helps prevent nuisance tripping while maintaining dependable fault protection.

Typical Applications

• Industrial control panels.
• Three-phase distribution boards.
• Motor protection circuits.
• Transformer circuits.
• OEM machinery.
• Commercial electrical installations.
• Automation systems.

Trusted by Electrical Professionals Worldwide

IMO miniature circuit breakers are trusted by electricians, machine builders and panel manufacturers for dependable circuit protection, straightforward installation and long-term reliability across industrial electrical installations.