Abb SU203M-K25 Miniature Circuit Breaker 25 Amp 3 Pole

Product Description

The ABB SU203M-K25 is a miniature circuit breaker designed for UL 489 branch circuit protection up to 480 Y/277 V AC and 96 V DC. This 3-pole circuit breaker has a K trip curve and a rated current of 25 Amps. It is suitable for AC and DC applications and is approved to UL, CSA, and IEC standards.

• Rated Current 25 Amps
• 3 Pole
• Interrupt Rating 10 kA

Product Highlights

Miniature circuit breaker with a K trip curve, 25A current rating, and 3 poles, designed for DIN rail mounting and branch circuit protection.

Product Information

Standard Information

• Brand: ABB
• Manufacturer Part Number: SU203M-K25

Technical Specifications

• Brand: ABB
• Width: 52.5 mm
• Height: 111 mm
• Length: 69 mm
• Current: 25 Amp
• Voltage: 277/480 Volt
• Amperage: 25 Amp
• Standard: CSA 22.2 No. 5,EN 60947-2,IEC,UL 489
• Trip Type: K-Curve
• Applications: Branch Circuit Protection
• Power Rating: 3.2 W
• Mounting Type: 35 mm DIN Rail
• Terminal Type: Screw Terminals
• Conductor Size: 18-4 AWG/18-8 AWG
• Number of Poles: 3
• Interrupt Rating: 10 kAIC
• Temperature Rating: -25 to 55 degrees C
• Operating Temperature: -25 to 55 degrees C
• Environmental Conditions: 25 C at 95 - 100% Relative Humidity, 55 C at 90 - 96% Relative Humidity, 3 Pollution Degree
• Application: Mainly used for controlling 3-phase motors and generally for controlling power c
• Voltage Rating: (480Y / 277 V AC) / (96 V DC)
• Amperage Rating: 25 A
• Tripping Characteristic: K
• Approvals: UL 489, CSA 22.2 No. 5, VDE, CCC
• Characteristic: K Curve
• Current Rating: 25 A
• Manufacturer Part Number: SU203M-K25
• Series: SU200M Series
• UPC Code: 4016779930406
• Volts AC: 277, 480Y
• Mounting: DIN Rail
• Amps: 25
• Rated Current: 0.2 to 63 A
• Trip Curve: K Curve
• Supply Voltage (Nominal): 240 VAC
• Rated Voltage: (AC) 1P: 277 V AC up to 40 A for C, Z char., 277 V AC up to 35 A for K char., 240 V AC (AC) 2P, 3P, 4P: 480 Y / 277 V AC up to 40 A for C, Z char., 480 Y / 277 V AC up to 35 A for K char., 240 V AC (DC) 1P: 48 V DC; 2P: 96 V DC (2p in series)
• Rated Interruption Capacity: 15 kA
• Poles: 1, 2, 3, 4
• Frequency: 50/60 Hz
• Protection Method: Electromechanical (thermal/magnetic)
• Interrupt Rating AC: 10 kA