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PXB9L-40 Series Electromagnetic Leakage Miniature Circuit Breaker

PXB9L-40 Series Electromagnetic Leakage Miniature Circuit Breaker

The PXB9L-40 series electromagnetic residual current operated circuit breaker is designed by CHAC Electric to provide comprehensive protection for electrical circuits. These MCBs are suitable for AC 50Hz/60Hz systems with a rated voltage of 230V/400V and a rated current up to 40A. They offer isolation, overload, leakage, and short-circuit protection, effectively preventing insulation failure of electrical equipment. Our PXB9L-40 series is ideal for residential and commercial distribution systems, providing reliable and robust protection. We utilize advanced production technology and strict quality control to ensure the reliability and durability of our products. This makes them an ideal choice for customers seeking efficient and durable electrical protection solutions in different distribution scenarios.

Categories: Terminal Electrical Appliances, RCBO, PXB9

Overview&Description

1.Provides ground fault/leakage current, short circuit, overloadprotection and isolation

2.Provides additional protection against direct human contact

3.Effectively prevent electrical equipment insulation failure

4.Comprehensive protection for residential and commercialpower distribution systems

Technical data

Specifications
Rated voltage Ue	230V
Rated current(A)	6、10、13、16、20、25、32、40
Rated frequency	50Hz
Number of poles	1P+N
Rated breaking capacity Icn=Ics(A)	6000
Mechanical & Electrical life	Mechanical life 10000 、Electrical life 4000
Tripping characteristics	B、C、D
Pollution degree	2
Protection degree	IP20
Standards	EN/IEC 61009-1、GB/T 16917.1
Tighten torque(Nm)	3.5
Type of residual current	AC、A
Rated residual operating current I△n (mA)	30
Rated service breaking capacity lcn=lcs(A)	6000
Rated residual making&breaking capacity I△m(A)	500

Table1 Tripping characteristics (Reference temp.30℃)

Item	Tripping Curve	Test current In(A)	Initial Status	Time limit for tripping or non-tripping	Expected result	Remark
a	B、C、D	1.13In	Cold	t≤1h	Non-tripping	Current smoothly rises to specified value within 5s
b	B、C、D	1.45In	Following item a test	t<1h	Tripping
c	B、C、D	2.55In	Cold	1s<t<60s(In≤32A) 1s<t<120s(In>32A)	Tripping
d	B	3In	Cold	t≤0.1s	Non-tripping	Switch on the power supply by closing the auxiliary switch
	C	5In
	D	10In
e	B	5In	Cold	t<0.1s	Tripping	Switch on the power supply by closing the auxiliary switch
	C	10In
	D	20In