Parameter information
SO232/SO234 Residual Current Circuit Breaker with Overcurrent Protection (RCBO)
Construction and Feature
■Provides protection against earth fault/leakage current, short-circuit, overload, and function
of isolation
■Provides complementary protection against direct contact by human body
■Effectively protects electric equipment against insulating failure
■Provides comprehensive protection to household and commercial distribution systems
Technical Data
■Type:Electro type, Electro-magnetic type
■Residual current characteristics: AC,A
■Pole No.: 1P+N ,3P+N
■Tripping curve: B, C
■Rated short-circuit capacity: 10kA
■Rated current (A): 1P+N:6, 10, 16, 20, 25, 32, 40,50,63A;
3P+N: 6, 10, 16, 20, 25, 32,40A;
■Rated voltage: 230/400VAC
■Rated frequency: 50/60Hz
■Rated residual operating current(mA): 30,100,300
■Tripping duration: instantaneous 0.1s
■Electro-mechanical endurance: 4000 cycles
■Connection terminal: pillar terminal with clamp
■Connection capacity:
□Flexible conductor 10mm2
□Rigid conductor 16mm2
■Installation:
□On symmetrical DIN rail 35mm
□Panel mounting
Product curve


> What Is a Shunt Trip and How Does It Work with MCCB?
Learn what a shunt trip is, how it remotely trips an MCCB, typical voltages, and common applications like emergency stop systems.
> Guide to Selecting a Surge Protective Device (SPD) for EV Charging Stations
Protect EV chargers from lightning and switching surges. Learn how to choose the right SPD type, voltage protection level, and coordination.
> How to Fix a Tripping RCBO in Commercial Distribution Boards
RCBO tripping repeatedly? Learn 6 common causes and practical fixes for commercial panels. No more nuisance trips.
> What Is a DC MCB and Why Does It Matter for Solar PV Systems?
Learn what a DC MCB does, why it’s critical for solar string protection, and how to choose the right one. Read the B2B guide.





