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PXB9N-32 Series Miniature Circuit Breakers With Isolation Function
These MCBs are suitable for AC 50Hz/60Hz systems with a rated voltage of 230V and a rated current up to 32A. They offer isolation, overload, and short-circuit protection for electrical circuits and can be used for infrequent connection, disconnection, and conversion operations.
Product Overview
The PXB9N-32 series miniature circuit breaker is designed by CHAC Electric to meet the needs of international clients in the low-voltage electrical sector. As a professional contract manufacturer with extensive export experience, we provide high-quality ODM/OEM services. Our PXB9N-32 series is suitable for various applications such as industrial, commercial, and residential buildings. 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 robust and efficient electrical protection solutions in different distribution scenarios.
Overview&Description
Compact structure and robust design
1.Low power consumption
2.Easy DIN-Rail extraction
3.Overload & short circuit protection
Suitable for industrial, commercial, high-rise and civil residences circuit protection.
Technical data
| Specifications | |
| Rated voltage Ue | 230V~ |
| Rated impulse withstand voltage Uimp | 4000V |
| Rated current(A) | 6、10、13、16、20、25、32 |
| Rated frequency | 50Hz/60Hz |
| 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 60898-1、GB/T 10963.1 |
| Tighten torque(Nm) | 2 |
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) | 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.
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