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Siemens 5SU1353-1KK10 4.5kA 1P+N Type AC RCBO

Siemens 5SU1353-1KK10: 4.5kA 1P+N Type AC RCBO, 30mA, 10A.

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ManufacturerSiemens

Part number5SU1353-1KK10

Breaking Capacity 4.5 kA

Poles 1-pole+N

Type AC

Residual Current 30 mA

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CAGE: 9NK75

4.5 kA breaking capacity 1-pole plus neutral design Type AC residual current detection 30 mA sensitivity C-curve tripping characteristic Compact and easy to install

Product description

The Siemens 5SU1353-1KK10 is a single-pole and neutral Residual Current Circuit Breaker with Overcurrent protection (RCBO). It features a 4.5 kA breaking capacity, operates as a Type AC device sensitive to sinusoidal AC fault currents, and has a 30 mA residual current rating. With a C-curve tripping characteristic, it is rated for 10A at 230V AC.

This RCBO is intended for applications requiring protection against overloads, short circuits, and AC earth leakage. Its Type AC designation means it's suitable for basic AC fault detection, but users must comply with local installation standards, as Type AC RCDs have usage limitations in some regions.

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Technical specifications

Breaking Capacity	4.5 kA
Poles	1-pole+N
Type	AC
Residual Current	30 mA
Tripping Characteristic	C
Rated Current (In)	10A
Rated Voltage (Un)	230V AC

Common applications

Residential Electrical Systems

Small Business Installations

Lighting and Socket Circuits

General Load Protection

Protection against AC earth faults

Compatible systems

230V AC single-phase networks DIN rail mounting standards TN and TT earthing systems (for AC faults)

Also known as

Siemens 5SU1353-1KK10 RCBO Siemens 10A C-Char RCBO Siemens 1P+N Type AC Siemens 4.5kA RCBO

Replaces / compatible with

This RCBO is part of the Siemens 5SU1 range and is designed for use within this modular system. Always verify compatibility with specific installation requirements and national standards.

Technical note

Expert tip

Users must confirm that Type AC residual current devices are permitted for the intended application according to local electrical installation codes.

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Frequently asked questions

What is the tripping characteristic of the Siemens 5SU1353-1KK10 RCBO?

The Siemens 5SU1353-1KK10 RCBO features a C-curve tripping characteristic. This means it is designed to trip when the current exceeds 5 to 10 times the rated current, making it suitable for circuits with moderate inrush currents, such as lighting or socket outlets.