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The ARM6Z series intelligent measurement circuit breakers are available in 400A and 630A case frames
Functional Summary
ARM6Z series intelligent measuring circuit breaker, suitable for AC 50Hz/60Hz rated working current 125A to 250A, rated insulation voltage 1000V, rated working voltage AC380V distribution protection.
The measuring switch has the functions of long delay, short delay, instantaneous, over and under voltage and phase break protection, which protects the line and power supply equipment. It has the current, voltage, power, electric energy and other information of feedback products to the terminal equipment and the accuracy reaches the meter level, which is used to detect and monitor the load end, reduce the operation and maintenance cost of the power grid, and provide the necessary data for the future energy efficiency system.
The measuring switch also has the functions of automatic identification of distribution network topological relationship, error monitoring of watt-hour meter and power line carrier communication.
The technical specifications of the intelligent measurement switch controller are as follows
| Protection function | Current protection | With overload long delay, short delay, short circuit instantaneous protection |
| Voltage protection | Over-voltage and under-voltage protection | |
| Phase loss protection | Be equipped with | |
| Measuring function | Electric current | 0.004In≤I<0.01In, accuracy ±0.75%: |
| 0.01In≤I≤Imax, accuracy ±0.5% | ||
| voltage | 0.65Un≤U≤1.2Un, accuracy ±0.5% | |
| frequency | 45Hz~55Hz, accuracy ±0.01Hz | |
| power | Active power: ±0.5%, reactive power: ±2%, apparent power: ±2% | |
| Power factor | Resolution: 0.001,0.5-1.00, error limit: ±0.005 | |
| Electric quantity | Total and separate phase forward, reverse active energy and combined active energy | |
| Measurement accuracy meets 0.5S level | ||
| Monitoring function | On-off state | Closing position, opening position, tripping position |
| Topological function | topology | It has the function of topology signal transmission and recognition |
| Four-remote function | Remote signaling | Switch bit, bit, trip bit, fault remote message |
| Remote control | Supports remote delivery of trip commands | |
| telemetry | Electric parameters such as current, voltage, power and quantity | |
| Remote regulation | Supports remote setting of switch operation parameters | |
| Communication function | RS485 | 2 channels, 1200-9600 BPS, support up and down |
| HPLC | 1 channel, 2-12MHz, support national network interconnection | |
| Bluetooth | Route 1, BLE5.0 | |
| Communication protocol | DL/ T645-2007, DL/T698, Modbus, etc | |
| Advanced function | Pulse output | Active pulse, reactive pulse, second pulse |
| Fault memory | Current overload, short circuit, voltage failure, etc | |
| Power failure report | The carrier is reported within 60 seconds after a power failure. | |
| Temperature monitoring | Support inlet and outlet joint temperature monitoring | |
| Support switch internal temperature monitoring | ||
| Remote output | Support a variety of optional remote control output |
Note :
1. Power, electricity measurement function needs to be connected to N line;
2. The product needs to be connected to N line when it is fully functional;
3. Remote output is optional;
4. Temperature monitoring is optional;
5. Communication protocols support DL/T645 protocols by default, and other protocols can be customized according to customer requirements;
6. Electronic music protection and phase-out protection are optional functions.