Campus single-phase four circuit cost control table

1Campus single-phase four circuit cost control tableOverview

The rail type four circuit cost control smart meter is an innovative product developed by our company (special license number: ZL 2016 2 0858129.0). It adopts a DIN35mm rail type installation structure, LCD display, RS485 communication interface and upper computer for data exchange. It is equipped with four high-power magnetic holding relays to achieve four channel control and measurement.

This series of electric energy meters has the advantages of small size, high accuracy, good reliability, and easy installation. The performance indicators meet the technical requirements of the national standards GB/T 17215.321-2008, GB/T 17215.322-2008, and the power industry standard DL/T614-2007 for electric energy meters.

Suitable for electronic billing, overload tripping, load identification and other safety management in university apartments, meeting the needs of branch control in university dormitories, realizing branch metering and control functions for sockets, lighting, air conditioning, and bathrooms, and achieving personalized and refined management.

IICampus single-phase four circuit cost control tableFeatures

1. Measurement level 1.0, with characteristics such as high sensitivity, wide load, and logic anti submarine.

2. Standard 35mm rail installation, large-scale integrated circuit design, small size, easy installation.

3. Large screen LCD display, real-time display of important data such as total electricity consumption, branch used electricity, and branch remaining electricity.

4. Equipped with RS-485 communication interface and optoelectronic isolation, it effectively prevents destructive interference such as lightning strikes and surges, greatly reducing maintenance difficulty.

5. The circuit has timed power on and off, automatic power on and off according to the set schedule, and overload power off function with time limited current.

6. The circuit is equipped with the ability to identify malignant loads and automatically shut down the circuit breaker. The power range and identification period for malignant loads can be set.

7. The circuit measures and controls sockets, lighting, air conditioning, bathroom, etc. separately.

8. Multi functional electrical parameter acquisition, including voltage, current, power, power factor, and electricity quantity;

9. Record events such as zeroing, timing, remote tripping, and remote closing.

10. Parameter localization, can run independently when disconnected from the network, achieve management functions, strict password verification and security authentication, and ensure secure and reliable data transmission.

3、 Technical specifications

1. Measurement accuracy: Level 1.0

2. Reference voltage: 220V/230V ± 20%

3. Frequency: 50Hz

4. Current specification: shunt 10 (40) A

5. Power consumption: ≤ 1.5W/6VA

6. Wiring capacity: 10mm2

7. Clock error: ≤ 0.5S/d (25 ℃)

8. Starting current: ≤ 0.4% Ib

9. Safety performance: withstand voltage 4KV, insulation 5M Ω

10. Environmental parameters: temperature -25 ℃~55 ℃; Humidity<85% RH, no condensation

11. Installation method: 35mm standard guide rail installation

4、 Appearance dimension diagram

Dimensions: Length * Width * Thickness=126mm * 89mm * 84mm