Siemens NFI-Protection Switch 5SZ3 420 Circuit BreakerSiemens NFI Protection Switch 5SZ3 420 Circuit Breaker The Siemens 5SZ3 420 is a 4 pole NFI (residual current) protection switch designed to safeguard electrical circuits against leakage currents. This RCD (Residual Current Device) provides fast disconnection to prevent electric shock and system faults in residential and commercial installations. Key Specifications Brand: Siemens Model: 5SZ3 420 Type: NFI Protection Switch RCD Rated Current (In): 25A

Function: RF Power Divider / Combiner / Splitter

Application: Designed for secure fuse installation in industrial and electrical panels

Associated Model: TM-10E

Class: Class B

Inputs: Thermistor or PT sensor inputs (model-dependent)

Application Areas:

Application: Telecommunications

Manufacturer: SEWON Teletech

it is marked as matched

It provides stable power output with compact design and high efficiency

Ports: HDMI

Model: Magnus 400 Quantum