S203U-K4 - ABB 3 Pole 240V 4A DIN Mount Circuit Breaker 10kA Interrupt Rating

S203U-K4

S203U-K4 is a 3 pole, 240V, 4A DIN mount circuit breaker from ABB, designed for reliable branch circuit protection in industrial and commercial applications. This device features a 10kA interrupt rating and thermal magnetic trip unit with K-curve characteristics for precise overload and short circuit protection. Suitable for both vertical and horizontal DIN rail mounting, it offers fast breaking time and finger-safe terminals for enhanced safety. The S203U-K4 is UL 489 listed and meets CSA C22.2 No. 5 standards for dependable performance. Key Specifications

• Part Number: S203U-K4
• Manufacturer: ABB
• Series/Frame: S200U-K
• Poles: 3
• Rated Voltage: 240VAC
• Rated Current: 4A
• Interrupt Rating: 10kA @ 240V
• Mounting Type: DIN Rail
• Protection Method: Thermal Magnetic (K-curve)
• Standards: UL 489, CSA C22.2 No. 5
• Operating Temperature: -25°C to 55°C
• Wire Size: 18 to 4 AWG

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Specifications

• Part Number: S203U-K4
• Manufacturer : ABB
• Brand : ABB
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : S 200 U Series
• Type : S203U-K
• Voltage : 240
• Amperage : 4
• Phase : 3
• Poles : 3
• AIC rating : 10kA@240V
• Connection : Bolt-On
• Functions : Long Time and Instantaneous Trip
• Protection : Thermal Magnetic

Product Data

• Weight : 5