ABB s203-d16 mcb s200p 3 pole d type 16amp

Why Choose the ABB S203-D16 Miniature Circuit Breaker?

The ABB S203-D16 is a premium three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Designed to provide dependable overload and short circuit protection, it is ideal for industrial, commercial and OEM electrical installations where reliability and operational safety are essential.

Featuring a D tripping characteristic, the S203-D16 is specifically designed for circuits with high inrush currents, making it suitable for motors, transformers, compressors and other inductive equipment. Its thermal and magnetic tripping mechanisms provide accurate protection while helping to prevent nuisance tripping during equipment start-up.

With a 16 A rated current, three-pole configuration and a 6 kA short circuit breaking capacity, this DIN rail mounted miniature circuit breaker delivers reliable protection, simple installation and compliance with recognised IEC and EN standards.

Key Advantages

• Compact three-pole miniature circuit breaker for industrial and commercial applications.
• D curve tripping characteristic for high inrush current loads.
• 16 A rated current for dependable circuit protection.
• 6 kA breaking capacity for reliable fault interruption.
• Thermal and magnetic trip mechanisms provide effective overload and short circuit protection.
• DIN rail mounting for straightforward installation inside switchboards and control panels.

Key Features

• ABB System pro M Compact S200 series.
• Three-pole (3P) configuration.
• 16 A rated current.
• D tripping characteristic.
• 6 kA rated short circuit breaking capacity.
• Suitable for AC/DC applications.
• Failsafe bi-directional cylinder-lift screw terminals.
• Compatible with ABB S200 auxiliary contacts and accessories.

Technical Specifications

• Manufacturer: ABB
• Series: System pro M Compact S200
• Model: S203-D16
• Product type: Miniature Circuit Breaker (MCB)
• Rated current: 16 A
• Number of poles: 3
• Tripping characteristic: D
• Rated operational voltage: 400 V AC
• Maximum operational voltage: 440 V AC
• Voltage type: AC/DC
• Rated frequency: 50 / 60 Hz
• Breaking capacity: 6 kA
• Protection rating: IP20
• Mounting type: DIN rail
• Terminal type: Failsafe bi-directional cylinder-lift screw terminals
• Dimensions (H × W × D): 88 × 52.5 × 69 mm
• Weight: approx. 0.345 kg

Reliable Circuit Protection for High Inrush Applications

The ABB S203-D16 combines delayed thermal overload protection with an instantaneous magnetic short circuit trip to safeguard electrical systems while accommodating high starting currents. This makes it particularly suitable for demanding industrial environments where motors and inductive loads are frequently switched.

Its D characteristic is widely used for motor control circuits, transformers and industrial machinery. The compact housing enables efficient installation within switchboards, distribution boards and machine control panels.

Typical Applications

• Motor protection circuits.
• Industrial machinery.
• Transformers and inductive loads.
• Control panels and switchgear.
• OEM automation equipment.
• Commercial and industrial power distribution.

Trusted by Electrical Professionals Worldwide

ABB System pro M Compact miniature circuit breakers are trusted by electricians, panel builders and industrial engineers for dependable circuit protection, consistent performance and long operational life.