China Smart Lock Square Manhole Covers - Advanced Solutions from Top Suppliers and Factory for Safety and Efficiency
PARAMETER
| Lock core material | SUS304 Stainless steel |
| Lock body material | FRP+SUS304 |
| Battery capacity | ≥38000mAh |
| Operating Voltage | 3.6VDC |
| Standby power consumption | ≤30uA |
| Operating power consumption | ≤100mA |
| Operating environment | Temperature(-40°C~80°C), Humidity(20%-98%RH) |
| Unlocking times | ≥300000 |
| Protection level | IP68 |
| Corrosion resistance | Passed the 72-hour neutral salt spray test |
| Signal transmission | 4G, NB, Bluetooth |
| Encoding digits Number | 128 (No mutual opening rate) |
| Lock cylinder technology | 360°, Idle design to prevent violent opening, Storage Operations (Unlock, Lock, Patrol, etc.) Log |
| Encryption Technology | Digital encoding technology & encrypted communication technology; Eliminate technology activation |
Main Features
- Real time upload of switch records to the cloud.
- Implement trace-based management, monitor the opening and closing status of the outer cover in real-time, and ensure road safety.
- Real time monitoring of temperature and humidity, water immersion, gas and other environmental conditions inside the well.
- Through self-developed algorithms, the operation status of cables in the well can be effectively determined.
- The intelligent manhole cover has undergone authoritative testing by the Ministry of Public Security. Soaking in water can also be used normally.
- The working temperature range is -40 ºC~+80 ºC, without fear of severe cold and heat.
- The intelligent manhole cover is made of high-strength and corrosion-resistant materials, meeting the needs of harsh environments.
- Ultra long standby, with a battery life of up to 5 years.
Create Manhole cover lock - This product digitally archives the identity of the manhole cover and powers it with the following features:
Maintenance scheduling and tracking: The system facilitates the scheduling of maintenance activities based on the data collected from the smart manhole covers. It also tracks the maintenance history and performance of the manhole covers to support ongoing improvement and optimization.
Data analysis and reporting: The management system includes tools for analyzing the data collected from the smart manhole covers, enabling insights into trends, patterns, and potential areas for improvement. This data also supports reporting requirements for regulatory compliance and performance evaluation.
Software
- Clear management of personnel permissions.
- Remote unlocking through permission management.
- Bluetooth unlocking, emergency unlocking, and other unlocking methods to ensure that the smart manhole cover can be opened smoothly under any circumstances.
- The presentation of combining list and the map makes every lock clearly visible.
- We invest over 3% of our annual sales revenue in R&D with numerous patent achievements.
- Provide customized service for model and management software according to your needs.
Application
- CRAT Smart Manhole cover lock widely used in Municipal industry, Communication fiber optic cable well, Power cable well, Gas well.
- And has been used in major cities in China.
- State Grid Beijing Power Supply Company.
- Pilot application in Fengxian Power Supply Company.
Frequently Asked Questions (FAQ)
What materials are used for the lock core and body?
The lock core is made of high-quality SUS304 stainless steel, while the lock body is constructed using FRP (Fiber Reinforced Polymer) combined with SUS304 stainless steel, ensuring high durability and strength.
How long does the battery last and what is its standby power consumption?
The lock features a battery capacity of ≥38000mAh, offering an ultra-long battery life of up to 5 years. The standby power consumption is extremely low, at ≤30uA.
Can the smart lock operate in extreme weather and wet environments?
Yes, it has an IP68 protection rating and can operate normally even when completely soaked in water. The working temperature range is -40 ºC to +80 ºC, and it has passed the 72-hour neutral salt spray test for corrosion resistance.
What communication and unlocking methods are supported?
The lock supports 4G, NB-IoT, and Bluetooth signal transmission. Unlocking methods include remote unlocking through permission management, Bluetooth unlocking, and emergency unlocking to ensure smooth access under any circumstances.
What kind of data does the system monitor inside the well?
The system provides real-time monitoring of temperature, humidity, water immersion, gas, and other environmental conditions. Additionally, self-developed algorithms help effectively determine the operational status of cables inside the well.
Can the management software and lock models be customized?
Yes, we provide customized services for both the lock models and the management software to match your specific operational needs and requirements.

Intelligent Manhole Cover
IoT Smart Locks
Electronic Keys
Software