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IoT Circuit Breaker AC RS485

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.
  • WE-M7M-AC

  • HonorInsight IoT/ OEM

  • 8536200000

  • Shenzhen, China

  • 5000000PCS/Year

  • T/T, Paypal

  • 2 years

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Smart Circuit Breaker

WE-M7M-AC


smart breaker



【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 AC40AC 63AAC 80AAC 100A

Power consumption

<3W

Series

1P2P3P4P

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


AC breaker


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

circuit breaker ac



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.










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