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DIN MCB

ABB S203MD25 MCB 10kA 3P 25A 400VAC D CURVE INDUSTRIAL

Product Code: S203MD25

The ABB Miniature Circuit Breaker is a reliable and efficient solution for commercial and industrial applications. With a 10kA breaking capacity at 400VAC and 15kA at 125VDC, it provides robust protection against short circuits and thermal overload. This 3-pole circuit breaker has a rating of 25A and features D curve protection. Trust ABB for high-quality circuit breakers that deliver superior performance in demanding environments.

Technical Specifications

Housing Material Insulation Group II, RAL 7035
Brand ABB
Series S200M
Busbar Cross Section (mm²) Top/Bottom - 10/10
Cable Cross Section - Flexible (mm²) Top/Bottom - 25/25
Cable Cross Section - Solid/Stranded (mm²) Top/Bottom - 35/35
Mounting Type DIN Rail
AC Voltage (V) 400/415
Application Commercial and Industrial
Breaking Capacity 400V AC - Icu (kA) 15
Current Rating (A) 25
Curve Type D Curve
Family S200M
Icn-Rated Short Circuit Capacity (kA) 10
Impulse Withstand Voltage (kV/1.2µS) 4
Maximum Operational Voltage AC (V) 440
Minimum Operational Voltage AC (V) 12
Minimum Operational Voltage DC (V) 12
No. of Poles 3P
Power Loss (W) 3.1/Pole
Rated Conditional Short-Circuit Current - Inc (kA) 20
Rated Current (A) 25
Rated Frequency (Hz) 50/60
Rated Impulse Withstand Voltage (kV) 4
Rated Insulation Voltage (V) 440
Rated Operational Voltage AC (V) 400
Rated Short-Circuit Capacity - Icn (kA) 10
Rated Voltage AC (V) 400
Dimensions (mm) 88H x 69D x 52.5W
Trip Curve D Curve
Pole Width (mm) 17.5
Degree of Protection IP20
Pollution Degree 3
Standards and Approvals AS/NZS 60898-1,AS/NZS 60947-2,UL 1077
Poles 3P
Breaking Capacity (kA) 15 @400 V AC
Inc-Rated Conditional Short Circuit Capacity (kA) 20

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