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Smart Circuit Breaker
WE-M7M-AC
【Attentions】
This device must be installed by qualified electrician, and is not allowed to open device;
Don’t operate device with wet hands, otherwise, electric shock may occur;
This device is not have waterproofed ,do not use it in humid environment；
The safety lock should be pulled out while installation；
This device will enter “LOCK” mode while circuit has fault of overload, short circuit or manually switch off. The unlock process is to manually pull out the safely lock, identify and solve the circuit fault problem. Release safety lock, and manually switch off/on once, it will work.
1. Product description
WE-M7M-AC series is a compact smart circuit breaker for intelligent and safe electricity applications. The local communication adopts the MODBUS RTU protocol, which has strong versatility. Local or remote centralized control of 100A and below is possible.
1. Remote control: Can realize local 485 communication control and configuration equipment, without the need for professional personnel.
2. Safe use of electricity: Fully combining the safety of circuit breakers and the intelligence of electronic products, with over- and under-voltage
/short circuit/overload/leakage protection, can automatically trip after detecting line fault.
3. Timing control: Multiple time points can be set ( default 4 ), timing on and off.
4. Metering function: Built-in multi-functional electric meter can realizes the measurement of current and electric energy, and the electric energy measurement accuracy is grade 1.
5. Protection function: It has overload, short circuit, over-under voltage, over-current protection functions.
6. Working power supply: AC 220V power supply, which can directly control the AC equipment.
7. Highly compact: Small size, the width of the executive body is 18mm, and the standard 35mm guide rail is easy to install.
8. Firmware upgrade: Support online upgrade via RS485, which is convenient for maintenance and product function updates.
9. Safe and reliable: It is equipped with body inspection and maintenance devices, which is convenient for local maintenance.
2. Technical parameters
Supply voltage | Single-phase 230V~/Three-phase 400V~ |
Rated current | AC32 、AC40、AC 63A、AC 80A、AC 100A |
Power consumption | <3W |
Series | 1P、2P、3P、4P |
Degree of protection | IP20 |
Operating temperature | -40℃～+60℃ |
Storage temperature | -40℃～+70℃ |
Installation method | DIN rail installation |
Protocol | MODBUS-RTU protocol |
Communication Interface | RS485 |
Trip time | ≤0.1S |
Electrical life | ≥10000 times |
Measurement accuracy | Level 1 |
Executive standard | IEC60898-1 |
Measurement accuracy | Voltage and current accuracy 1%, power accuracy 2% |
Action time | Opening ≤ 2S, closing ≤ 2S |
3. Product size and panel operation instructions
Operating handle | Manually toggle up and down to control the opening and closing of the circuit breaker, up is closing, down is opening |
Contact position indicator light | Red is closed, green is open |
Mode selection mode | Toggle left for inspection mode, toggle right for running mode |
Working status indicator | Steady orange light: Service mode Red light flashes for 100ms: Motor reset failed The red light flashes for 500ms: the opening-automatic reclosing is valid Solid Red light: Open-automatic reclosure failure or automatic reclosure closed Solid green light: Closing-automatic reclosing is valid Green light flashes for 500ms: Closing-Steady |
4. Product Installation Instructions
5. Fault Reminder Description
Description of the problem | The device cannot communicate, send opening/closing command, no action
|
Solution | Please ensure that the device is in normal operation, and then check whether A and B of the RS485 line are reversed, whether the communication configuration is correct, and whether there is any abnormality in the communication connection
|
Description of the problem | The device cannot close the gate
|
Solution | Please ensure that the device is in normal operation mode, and then check whether the device has short circuit, overcurrent and other faults. After the fault is eliminated, it can work normally after manual closing after 1 minute
|
Description of the problem | After the power is turned on, the indicator light does not light up |
Solution | Check whether the power interface is reversed and whether the output of the switching power supply has power. |
Smart Circuit Breaker
WE-M7M-AC
【Attentions】
This device must be installed by qualified electrician, and is not allowed to open device;
Don’t operate device with wet hands, otherwise, electric shock may occur;
This device is not have waterproofed ,do not use it in humid environment；
The safety lock should be pulled out while installation；
This device will enter “LOCK” mode while circuit has fault of overload, short circuit or manually switch off. The unlock process is to manually pull out the safely lock, identify and solve the circuit fault problem. Release safety lock, and manually switch off/on once, it will work.
1. Product description
WE-M7M-AC series is a compact smart circuit breaker for intelligent and safe electricity applications. The local communication adopts the MODBUS RTU protocol, which has strong versatility. Local or remote centralized control of 100A and below is possible.
1. Remote control: Can realize local 485 communication control and configuration equipment, without the need for professional personnel.
2. Safe use of electricity: Fully combining the safety of circuit breakers and the intelligence of electronic products, with over- and under-voltage
/short circuit/overload/leakage protection, can automatically trip after detecting line fault.
3. Timing control: Multiple time points can be set ( default 4 ), timing on and off.
4. Metering function: Built-in multi-functional electric meter can realizes the measurement of current and electric energy, and the electric energy measurement accuracy is grade 1.
5. Protection function: It has overload, short circuit, over-under voltage, over-current protection functions.
6. Working power supply: AC 220V power supply, which can directly control the AC equipment.
7. Highly compact: Small size, the width of the executive body is 18mm, and the standard 35mm guide rail is easy to install.
8. Firmware upgrade: Support online upgrade via RS485, which is convenient for maintenance and product function updates.
9. Safe and reliable: It is equipped with body inspection and maintenance devices, which is convenient for local maintenance.
2. Technical parameters
Supply voltage | Single-phase 230V~/Three-phase 400V~ |
Rated current | AC32 、AC40、AC 63A、AC 80A、AC 100A |
Power consumption | <3W |
Series | 1P、2P、3P、4P |
Degree of protection | IP20 |
Operating temperature | -40℃～+60℃ |
Storage temperature | -40℃～+70℃ |
Installation method | DIN rail installation |
Protocol | MODBUS-RTU protocol |
Communication Interface | RS485 |
Trip time | ≤0.1S |
Electrical life | ≥10000 times |
Measurement accuracy | Level 1 |
Executive standard | IEC60898-1 |
Measurement accuracy | Voltage and current accuracy 1%, power accuracy 2% |
Action time | Opening ≤ 2S, closing ≤ 2S |
3. Product size and panel operation instructions
Operating handle | Manually toggle up and down to control the opening and closing of the circuit breaker, up is closing, down is opening |
Contact position indicator light | Red is closed, green is open |
Mode selection mode | Toggle left for inspection mode, toggle right for running mode |
Working status indicator | Steady orange light: Service mode Red light flashes for 100ms: Motor reset failed The red light flashes for 500ms: the opening-automatic reclosing is valid Solid Red light: Open-automatic reclosure failure or automatic reclosure closed Solid green light: Closing-automatic reclosing is valid Green light flashes for 500ms: Closing-Steady |
4. Product Installation Instructions
5. Fault Reminder Description
Description of the problem | The device cannot communicate, send opening/closing command, no action
|
Solution | Please ensure that the device is in normal operation, and then check whether A and B of the RS485 line are reversed, whether the communication configuration is correct, and whether there is any abnormality in the communication connection
|
Description of the problem | The device cannot close the gate
|
Solution | Please ensure that the device is in normal operation mode, and then check whether the device has short circuit, overcurrent and other faults. After the fault is eliminated, it can work normally after manual closing after 1 minute
|
Description of the problem | After the power is turned on, the indicator light does not light up |
Solution | Check whether the power interface is reversed and whether the output of the switching power supply has power. |
