ABB RCBO, 20A Current Rating, 4P Poles, 30mA Trip Sensitivity, Type C

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  • Dessutom levereras 5 enhet(er) från den 22 december 2025
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RS-artikelnummer:
231-9955
Tillv. art.nr:
2CSR256040R1204 DS203NC C20 AC30
Tillverkare / varumärke:
ABB
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Brand

ABB

Current Rating

20A

Number of Poles

4

Trip Sensitivity

30mA

Series

DS203NC

Circuit Breaker Type

RCBO

Tripping Characteristics

Type C

Rated AC Voltage

400 → 415V

Mounting Style

DIN Rail Mount

Earth Leakage Protection Type

AC

Standards Met

CE

Overall Length

69mm

Overall Depth

85mm

Break Time

Instantaneous

Overall Width

71mm

Special Features

Short Circuit Protection

Breaking Capacity at Maximum Voltage Rating

6 kA

Overall Dimensions

69 x 71 x 85mm

COO (Country of Origin):
IT

ABB DS203NC Series RCBO, 20A, 4 Poles - 2CSR256040R1204 DS203NC C20 AC30


This residential circuit breaker by the ABB with a current rating of 20A is a vital electrical safety device. It is designed to provide protection against short-circuit currents, overload, earth fault currents, and indirect contacts. With a trip sensitivity of 30mA, it ensures additional protection against direct contacts.

Features & Benefits


• DIN rail mount design for easy installation
• 4 pole configuration for enhanced safety
• RCBO type combining residual current and overcurrent protection
• Compliance with IEC and EN standards for reliable performance
• Rated current of 20A and rated voltage of 400 to 415 V AC
• Energy limiting class for efficient operation

Applications


• Suitable for residential buildings, commercial spaces, and industrial setups
• Ideal for protecting electrical circuits from various faults
• Used with modular DIN rail products for comprehensive protection

Can it protect against short-circuit currents?


Yes, the ABB RCBO is designed to provide protection against short-circuit currents along with other electrical faults.

Will it fit on a DIN Rail Mount?


Yes, it features a DIN Rail Mount design for easy and secure installation.

Is it suitable for industrial applications?


Yes, the ABB RCBO is ideal for industrial setups to safeguard electrical circuits effectively.

Can it protect against earth fault currents?


Yes, it is designed to protect against earth fault currents, ensuring enhanced electrical safety.

Can it be used in conjunction with other modular DIN rail products?


Yes, this RCBO is compatible with modular DIN rail products for comprehensive protection of electrical circuits.

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