Smart Square Manhole Covers with Lock: Intelligent Solutions from China Factory & Suppliers
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, Petrol ,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.
- And 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 below 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. 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
What is the protection level of the CRAT Smart Manhole Cover Lock?
The lock has an IP68 protection level. It has undergone authoritative testing by the Ministry of Public Security, ensuring it operates normally even when completely soaked in water.
What is the battery life of the smart manhole cover lock?
Equipped with a high-capacity battery of ≥38000mAh and ultra-low standby power consumption (≤30uA), the smart lock offers an ultra-long battery life of up to 5 years.
Which communication methods does the system support?
The smart manhole cover lock supports 4G, NB-IoT, and Bluetooth signal transmissions, allowing real-time data uploads and remote management.
How does the lock prevent unauthorized or violent opening?
The lock cylinder features a 360° idle design to prevent violent opening. It also implements 128-digit digital encoding and encrypted communication technology to eliminate unauthorized activation.
What environmental conditions can the smart manhole cover monitor?
It provides real-time monitoring of temperature and humidity, water immersion, gas levels, and other environmental conditions inside the well to ensure safety and operational integrity.
What unlocking methods are available?
The system supports multiple unlocking methods, including remote unlocking via permission management, Bluetooth unlocking, and emergency unlocking, ensuring the cover can be opened under any circumstances.

Intelligent Manhole Cover
IoT Smart Locks
Electronic Keys
Software