CQB91-40 6kA Miniature Circuit Breaker
Inquire NowDescription
The CQB91-40 Miniature Circuit Breaker is a robust protection device designed for single-phase AC systems operating at 50/60Hz. It is rated for a maximum voltage of 230V and a current capacity of up to 40A. This essential safety component quickly disconnects the power supply in the event of an electric shock or when leakage current exceeds preset limits, thereby safeguarding both human life and electrical equipment. Equipped with overload and short-circuit protection functionalities, the CQB91-40 is suitable for use in various applications, including infrequent conversion starts under standard conditions.
Moreover, it complies with GB 10963.1 and IEC60898-1 standards, ensuring reliability and performance in electrical distribution systems.
Specifications
| Specification | Value |
|---|---|
| Rated Voltage (V) | AC230V |
| Rated Current (A) | 6A, 10A, 16A, 20A, 25A, 32A, 40A |
| Pole | 1P+N |
| Rated Breaking Capacity (lcs(A)) | B, C: 4.5/6kA |
| Rated Residual Making & Breaking Capacity | 500A |
| Tripping Curves | B, C |
| Mechanical & Electrical Life | Mechanical: ≥6000; Electrical: ≥4000 |
| Connecting Wire (mm2) | 2mm2: 6A~16; 2.5mm2: 20~25; 4mm2: 32~40 |
| Pollution Degree | 2 |
| Protection Class | IP20 |
| Overvoltage Category | Ⅱ、Ⅲ |
Additional Information
When ordering the CQB91-40 circuit breaker, please specify the following points:
- Product model (e.g., CQB91-40)
- Poles of the circuit breaker (e.g., 1P+N)
- Type of instantaneous tripping (e.g., type B/C)
- Rated current of the circuit breaker (e.g., 16A, 20A, 25A)
- Order quantity (e.g., 100 sets)
Example purchase order template: CQB91-40 1P+N C16 100pcs
