Product Description
The ABB ST203M-C63 miniature circuit breaker provides supplementary protection up to 480 Y / 277 VAC and 125 VDC. It is fully compatible with System pro M compact accessories and ideal for multiple applications and markets. This thermal/magnetic circuit breaker has a C curve and a current rating of 63 A.
- DIN Rail Mount
- Thermal/Magnetic Trip
- Voltage Rating of 480/277 V
Product Highlights
The ABB ST203M-C63 is a miniature circuit breaker with a C curve, ideal for supplementary protection in various applications.
Product Information
Standard Information
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Brand: ABB
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Manufacturer Part Number: ST203M-C63
Technical Specifications
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Brand: ABB
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Characteristic: C Curve
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Current Rating: 63 A
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Manufacturer Part Number: ST203M-C63
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Mounting Type: DIN Rail Mount
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Number of Poles: 3
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Series: ST200 M Series
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Termination: screw
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Type: Thermal/Magnetic
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Voltage Rating: 480/277 V
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Interrupt Rating: 7.5 kA at 230 VAC
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Wire Size: 14 to 8 AWG
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Connection type: Double Clamped
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Poles: 3
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Volts AC: 277, 480Y
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Interrupt Rating AC: 10 kA
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Application: Supplementary protection acc. to UL 1077
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Voltage: Up to 480Y/277 V AC and 125 V DC
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Approvals: UL, CSA and IEC
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Calibration Temperature: 40°C
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Max Voltage: 125 VDC, 277/480 VAC
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Trip Curve: C
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Trip Unit: Fixed Thermal / Fixed Magnetic
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Neutral Pole: No
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Terminal Type: Screw
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Auxiliary Switch: Optional
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Shunt Trip: Optional
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Undervoltage Release: Optional
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Alarm Switch: Optional
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UL Standard: 1077