Abb ST203M-K20 Mcb 3p K 20a Ul1077

Product Description

The ABB ST203M-K20 miniature circuit breaker provides supplementary protection up to 480 Y / 277 VAC and 125 VDC. Ideal for multiple applications and markets, it is fully compatible with System pro M compact accessories. This 3-pole breaker has a K curve and a 20A current rating.

• Supplementary protection up to 480 Y / 277 VAC and 125 VDC
• Compatible with System pro M compact accessories
• Suitable for interior applications

Product Highlights

The ABB ST203M-K20 is a miniature circuit breaker providing supplementary protection in various applications. It features a K curve, 3 poles, and a 20A current rating.

Product Information

Standard Information

• Brand: ABB
• Manufacturer Part Number: ST203M-K20

Technical Specifications

• Type: Thermal/Magnetic
• Brand: ABB
• Characteristic: K Curve
• Current Rating: 20 A
• Manufacturer Part Number: ST203M-K20
• Mounting Type: DIN Rail Mount
• Number of Poles: 3
• Series: ST200 M Series
• Termination: screw
• Voltage Rating: 480/277 V
• Product Series: ST200M
• Family Series: ABB Circuit Breakers, ST200M Series
• Max Voltage: 125 VDC, 277/480 VAC
• Trip Curve: K
• Trip Unit: Fixed Thermal / Fixed Magnetic
• Mounting: DIN Rail
• Neutral Pole: No
• Terminal Type: Screw
• Auxiliary Switch: Optional
• Shunt Trip: Optional
• Undervoltage Release: Optional
• Alarm Switch: Optional
• UL Standard: 1077
• Approvals: CCC, CSA, EAC, UL, VDE
• Volts AC: 277, 480Y
• Amps: 20
• Interrupt Rating AC: 10 kA
• MPN: ST203MK20
• Number of Throws: 3
• Suitable For: Interior
• Tripping Characteristics: Type K
• Current Type: AC/DC
• Control Style: Switch
• Operation Method: On/Off
• Interruption Type: Thermal Circuit Breaker
• Number of Ports: 3
• Number in Pack: 1
• Mounting Style: DIN Rail
• Maximum Amperage: 20 A
• Number of Positions: 3
• Number of Phases: 3
• Material: Plastic, Copper
• Model: CDS 273 334 R0487