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PXB9-63 Series Overload Protection Miniature Circuit Breaker
PXB9-63 Series Overload Protection Miniature Circuit Breaker
PXB9-63 Series Overload Protection Miniature Circuit Breaker
PXB9-63 Series Overload Protection Miniature Circuit Breaker
PXB9-63 Series Overload Protection Miniature Circuit Breaker
PXB9-63 Series Overload Protection Miniature Circuit Breaker
PXB9-63 Series Overload Protection Miniature Circuit Breaker
  1. PXB9-63 Series Overload Protection Miniature Circuit Breaker
  2. PXB9-63 Series Overload Protection Miniature Circuit Breaker
  3. PXB9-63 Series Overload Protection Miniature Circuit Breaker
  4. PXB9-63 Series Overload Protection Miniature Circuit Breaker
  5. PXB9-63 Series Overload Protection Miniature Circuit Breaker
  6. PXB9-63 Series Overload Protection Miniature Circuit Breaker
  7. PXB9-63 Series Overload Protection Miniature Circuit Breaker

PXB9-63 Series Overload Protection Miniature Circuit Breaker

These MCBs are suitable for AC 50Hz/60Hz distribution systems with a rated voltage of 230V/400V and a rated current up to 63A. They provide isolation, overload, and short – circuit protection for electrical circuits and can also be used for infrequent connection, disconnection, and conversion operations. Our PXB9-63 series is suitable for various venues such as industrial, commercial, high – rise, and residential buildings.

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Product Overview

The PXB9-63 series miniature circuit breaker is carefully designed by CHAC Electric to satisfy the customization needs of international clients in the low – voltage electrical field. As an experienced contract manufacturer focusing on exports, we provide excellent ODM/OEM services. Our PXB9-63 series stands out due to advanced technology and strict quality control. Using cutting – edge equipment and following strict quality standards, we guarantee reliable performance. We understand international clients’ unique needs and offer flexible customization from product design to packaging. Our efficient processes and quality systems ensure timely delivery of high – quality products, helping clients compete globally.

Overview&Description

1.High Interruption rating capabilities.

2.Overload & short circuit protection

3.Positive isolation

Suitable for industrial,commercial, high-rise and civil residences circuit protection.

Technical data

Specifications
Rated voltage Ue 230V/400V
Rated impulse withstand voltage Uimp 4000V
Rated current(A) 6、10、13、16、20、25、32、40、50、63
Rated frequency 50Hz / 60Hz
Number of poles 1P、2P、3P、4P
Rated breaking capacity Icn=Ics(A) 6000A
Mechanical & Electrical life Mechanical life 10000、Electrical life 6000
Tripping characteristics B、C、D
Pollution degree 2
Protection degree IP20
Standards EN/IEC60898-1、GB/T10963.1
Tighten torque(Nm) 3.5

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

Note: The term “cold” means that the test is carried out at a reference calibration temperature without load before the test.

Dimension

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