AurFort
ABBSH200ABB SH203-C20NA, manufacturer catalog image

ABB catalog image for this SKU; may represent the product family.

MINIATURE CIRCUIT BREAKER

SH203-C20NA

SKU 2CDS213103R0204

ABB SH203-C20NA is a 3P+N miniature circuit breaker in the SH200 range, rated at 20 A with a C tripping characteristic. It provides overload and short-circuit protection.

20 ARated current
3P+NPoles
CTrip curve
PRODUCT DATA

Technical specifications

Source: ABB product catalog.
Verified September 06, 2026.

2CDS213103R0204 — selected manufacturer specifications
Rated Current (In)20 A
Number of Poles3P+N
Number of Protected Poles3
Tripping CharacteristicC
Input Voltage TypeAC
Rated Operational Voltageacc. to IEC 60898-1 400 V
Operational VoltageMaximum (Incl. Tolerance) 440 V AC Minimum 12 V AC
Rated Short-Circuit Capacity(AC) 6 kA (400 V AC) 6 kA (400 V) 6 kA
Rated Insulation Voltage (Ui)acc. to IEC/EN 60664-1 440 V
Rated Impulse Withstand Voltage (Uimp)4 kV at 2000 m 5 kV at Sea Level 6.2 kV
Rated Frequency (f)50 / 60 Hz
StandardsIEC/EN 60898-1
Mounting on DIN RailTH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715
Mounting Positionany
Degree of ProtectionIP20 Enclosure with Cover IP40
Terminal TypeScrew Terminals
Tightening Torque2 N·m
Product Net Width70 mm
Product Net Height85 mm
Product Net Depth / Length69 mm
Product Net Weight0.41 kg

For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official ABB reference ↗.