CQB7ZNM-80 WIFI Circuit Breaker Smart Circuit Breaker
CHAC Electric has always been dedicating to ushering electrical safety into the smart era.To overcome the issues of high personnel maintenance costs,inefficiency, and delayed data feedback in daily electrical management,we partnered with Tuya to develop this user-friendly smart circuit breaker series.It provides real-time electrical monitoring and remote control via WiFi.
Product Features
■ Smart Remote Control
Mobile control via Smart Life/Tuya Smart App for remote circuit management
■ Precision Power Monitoring
0.5S class metering accuracy for real-time voltage, current, and povwer monitoring
■ Multi-Protection Function
8 safety protections including overload, short-circuit,leakage,over/under voltage,and over-temperature
■ Intelligent Timing Setting
Daily/weekly/monthly timer settings for automated power management
Ordering Specification
Please specify the following when ordering:
1.Product Model: CQB7ZNM-80
2.Number of Poles: 1P+N
3.Rated Current: [e.g.: 32A]
- Available Currents: 32A, 40A, 63A, 80A
4.Quantity: [e.g.: 100 pcs]
Ordering Example:
CQB7ZNM-80 1P+N Wi-Fi 32A AC type 100 pcs
Type designation

Tripping curves

Dimensions(mm)

Technical Specifications
| Parameter | |
| Number of poles | 1P+N |
| Communication mode | Wi-Fi |
| Degree of protection (IP) | IP20 |
| Application for mobile devices | Smart Life/Tuya Smart |
| Rated. current In | 32A/ 40A/63A/ 80A |
| Types of RCD | AC type |
| Tripping characteristic | C |
| Frequency | 50 Hz |
| Rated. voltage | 1P+N:230/240V |
| Complies with standard | IEC 61009-1、IEC 60898-1 |
| Rated short circuit breaking capacity Icn | 6 kA |
| Mechanical service life | 10000 Times |
| Electrical service life | 6000 Times |
| Dimension | 1P+N (L*H*W:90*72*53 mm) |
Tripping characteristics (Reference temp.30℃)
| Item | Test current In(A) | Initial Status | Time limit for tripping or non-tripping | Expected result | Remarks |
| a | 1.13In | Cold | t ≤ 1h(In ≤ 63A) t ≤ 2h(In > 63A) |
Non-tripping | |
| b | 1.45In | Following item a test | t < 1h(In ≤ 63A) t < 2h(In > 63A) |
Tripping | Current smoothly rises to specified value within 5s |
| c | 2.55In | Cold | 1s < t < 120s | Tripping | |
| d | 5In | Cold | t ≤ 0.1s | Non-tripping | Switch on the power supply by closing the auxiliary switch |
| e | 10In | Cold | t < 0.1s | Tripping | Switch on the power supply by closing the auxiliary switch |
Note: The term “cold” means that the test is carried out at a refeerence calibration temperature without load before the test.
Why Choose CHAC
With 30+ years of manufacturing experience, 1100+ employees, 100M+ poles
annual capacity and 90% automated production, CHAC provides stable production capacity and strict
quality control for global OEM/ODM customers. Our in-house manufacturing system supports long-term
cooperation for electrical brands, importers and distributors.
30+
YEARS EXPERIENCE
Specialized in low-voltage electrical manufacturing
1100+
EMPLOYEES
Professional team ensures stable quality and delivery
100M+
POLES ANNUAL CAPACITY
Large-scale production capacity to meet global demand
90%
AUTOMATED PRODUCTION
Advanced automation for high efficiency and consistency

Automated Assembly Line

Testing Laboratory

Injection & Stamping

Quality Inspection





Strict quality control system ensures every product meets global standards.
What Can We Customize?
We support customization across branding, packaging, product appearance,
electrical specifications, certification requirements and engineering development. Whether customers
need private label products, market-specific parameters or new product development, CHAC can provide
flexible solutions based on project requirements.
Logo & Branding
Custom logo printing, laser marking and nameplate solutions.

Packaging
Customization
Customized color boxes, cartons, labels and manuals.

Electrical
Customization
Current, voltage, breaking capacity, trip curve and other
special functions.

Product
Appearance
Housing color, handle color and appearance customization.

Certification
Support
Products comply with international standards and market
requirements.

Engineering
Development
Drawing evaluation, prototype testing and mass production.

Download
Smart Circuit-Breaker
Complete product overview for low-voltage electrical components and product selection reference.
Need Technical Documents?
Contact us for datasheets, certificates, drawings, selection guidance or OEM/ODM project support.
Frequently Asked Questions
Q1. Do you support product customization based on our design requirements?
A1:Absolutely. We specialize in OEM and ODM cooperation in the low-voltage electrical field and have provided customized services for many internationally renowned companies. We offer full-process support, including R&D design, parameter adjustments, and special material selection, ensuring the product fully meets your requirements.
Q2: What is your production capacity and Minimum Order Quantity (MOQ)?
A2: We operate a highly automated production base with an annual output of over 100 million poles for miniature circuit breakers. Our MOQ policy is flexible. We can provide competitive trial orders for small batches and dedicated production capacity guarantee plans.
Q3: What assurances are there for product quality and certifications?
A3: Our main products are certified with CCC, CE, CB, and more, and are sold in over 30 countries and regions worldwide. The company has established a dedicated Quality Operations Center that works with the business and production departments to implement full-process quality control, ensuring products meet international standards.
Q4: Do you have the capability for product R&D and turning concepts into reality?
A4: We have a complete R&D team and digital workshops, backed by extensive customization experience serving numerous international clients. From concept proposal and sample development to mass production, we provide end-to-end technical support to help bring your ideas to life.














