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ABB S203B20 Miniature Circuit Breaker
The S200 miniature circuit breaker is a 3-pole, B-curve type designed for residential, commercial, and industrial use. It offers current limiting, overload, and short circuit protection with a rated current of 20A. The breaker features thermal and electromechanical trip mechanisms, complies with international safety standards, and has quick-install screw terminals. Its compact design allows it to be mounted on DIN rails, with an IP40 degree of protection, suitable for various electrical distribution applications. It supports high breaking capacity up to 6 kA at 230/400 V AC.
ABB S203B20 Miniature Circuit Breaker Specifications:
- Number of Poles: 3
- Tripping Characteristic: B
- Rated Current (In): 20A
- Rated Operational Voltage: 400 V AC (IEC 60898-1), 440 V AC (IEC 60947-2)
- Rated Short-Circuit Capacity (Icn): 6 kA at 230/400 V AC
- Rated Ultimate Short-Circuit Breaking Capacity (Icu): 20 kA at 230 V AC
- Rated Service Short-Circuit Breaking Capacity (Ics): 15 kA at 230 V AC
- Rated Impulse Withstand Voltage: 6 kV
- Insulation Voltage: 440 V AC
- Rated Frequency: 50/60 Hz
- Environmental Conditions: Operation -25°C to +55°C; Storage 40°C to 70°C; Resistance to Shock and Vibrations as per IEC standards
- Degree of Protection: IP40 in enclosure with cover
- Housing Material: RAL 7035, insulative plastic
- Terminal Type: Screw Terminals, Failsafe Bi-directional Cylinder-ift Terminal
- Connecting Capacity: Busbar 10 / 10 mm², flexible 0.75 ... 25 mm², rigid 0.75 ... 35 mm², stranded 0.75 ... 35 mm²
- Tightening Torque: 2.8 Nm
- Mounting: DIN Rail TH35-15 or TH35-7.5, any position
- Standards Compliance: IEC/EN 60898-1, IEC/EN 60947-2, UL 1077, CSA 22.2 No. 235
- Electrical Endurance: 20,000 cycles
- Mechanical Endurance: 20,000 cycles
Buy the Electra Series S200 Miniature Circuit Breaker: S203B20
Purchase the Electra Series S200 20A Miniature Circuit Breaker online now to guarantee safe, reliable electrical protection for residential, commercial, and industrial projects. This 3-pole breaker offers thermal and electromechanical trip mechanisms, high short-circuit capacity up to 6 kA at 230/400 V AC, and complies with relevant IEC, UL, and CSA standards. Its DIN rail mounting and IP40 protection make installation straightforward. Secure your electrical safety requirements with a trusted, durable breaker available for immediate online purchase.
Order your Electra Series S200 20A Miniature Circuit Breaker today and ensure reliable protection for your electrical systems with our high-quality circuit breaker.
Frequently Asked Questions
Where can I buy ABB S203B20?
You can click on the BUY or RFQ button to purchase S203B20 from an authorized ABB distributor.
How do I troubleshoot issues or seek technical support for part S203B20?
You can download the S203B20 datasheet or visit the ABB website for support.
Who is the manufacturer of S203B20?
ABB