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Datasheet generated 2026-10-07
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Residual Current Circuit Breaker WITH Overcurrent DS203NC C20/30MA 230V (2CSR256147R1204)

ABB · Electrical Components · RCDs & RCBOs · Switzerland · abb.com
Part Number
2CSR256147R1204  ·  HS 8536.90
Residual Current Circuit Breaker WITH Overcurrent DS203NC C20/30MA 230V (2CSR256147R1204)

ABB 2CSR256147R1204 DS203NC, 4mod, C kar, 20A, 3 pole+N, A30mA, 230V.

Technical Specifications

Manufacturer part number (MPN)2CSR256147R1204
EAN / GTIN8012542198024
HS code8536.90
Sales unitpcs
Voltage230 V
Power loss11.8 W
Number of poles (total)3
Number of protected poles3
Rated voltage230 V
Rated insulation voltage Ui500 V
Rated impulse withstand voltage Uimp4 kV
Rated current20 A
Rated fault current0.03 A
Leakage current typeA
Current limiting class3
Rated short-circuit breaking capacity according to EN 610096 kA
Disconnection characteristicUndelayed
Surge current capacity0.25 kA
Voltage typeAC
Frequency50/60 Hz
Release characteristicC
Concurrently switching neutral conductorYes
With interlocking deviceYes
Overvoltage category3
Pollution degree2
Ambient temperature during operating-25–55 °C
Width in number of modular spacings4
Built-in depth69 mm
Anti-nuisance tripping versionNo
Degree of protection (IP)IP2X
Connectable conductor cross section solid-core25 mm²
Connectable conductor cross section multi-wired25 mm²
Flush-mounted installationNo
Country of originItaly

Properties

MOQ1

Cross-References

Attached Documents