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AC circuit breaker

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CLBM1E Series Electronic Molded Case Circuit Breaker

CLBM1E Series Electronic Molded Case Circuit Breaker CLBM1E Series Electronic Molded Case Circuit Breaker CLBM1E Series Electronic Molded Case Circuit Breaker CLBM1E Series Electronic Molded Case Circuit Breaker CLBM1E Series Electronic Molded Case Circuit Breaker

CLBM1E Series Electronic Molded Case Circuit Breaker
Time:2019-12-07 Browse:1038

CLBM1E Series Electronic Molded Case Circuit Breaker 1 Related matters before use 1.1 Notes for unpacking inspection When you receive the circuit breaker you purchased,please unpack and check the following items: 1.1.1 Check if the appearance have an

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CLBM1E Series Electronic Molded Case Circuit Breaker


1 Related matters before use

1.1 Notes for unpacking inspection

When you receive the circuit breaker you purchased, please unpack and check the following items:

1.1.1 Check if the appearance have any damage that occurred during transportation, such as damage to the casing.

1.1.2 In addition to circuit breakers, operation instructions and product certificates, the packing boxes shall be also installed with screws and related accessories. Please check them one by one according to the packing list.

1.1.3The environmental conditions for storage are shown in the table

project

standard

Ambient temperature

-25~+55

Relative humidity

(when it’s 25℃ for the environment temperature)≦95%

1.2 circuit breaker voltage

The rated operation voltage(Ue) of circuit breaker is AC400V, 690V. The rated insulation voltage(Ui) is 800V. The rated impulse withstand voltage(Uimp) is 8000V.

2.0  Installation

2.1  Insulation test

The circuit breaker has been insulated in accordance with the standard before leaving the factory.Due to the circuit breaker has an electronic circuit board.Before installation, retest should be conducted as follows:

(1) Using 500VDC megger to do the following test

(2) When the circuit breaker is in the state of disconnection, the connection between the inlet and outlet connection plates 1-2, 3-4, 5-6 and the connection plates 1, 3 and 5 (the three connection plates are connected by wires) and the housing (the housing is covered with metal foil) are tested respectively

(3) The insulation resistance shall be no less than 20MΩ between the circuit breaker housing and the main circuit breaker when docking to the undervoltage tripper of the main circuit

If the user does not have 500VDC megger meter, the user can use the labor frequency withstand voltage tester to do the replacement test

Refer to the insulation method for the measuring part, it takes 1min to apply the voltage 2000V.

2.2 environmental conditions

Do not install in an environment containing explosive gas, otherwise there is a risk of explosion

Do not install in a particularly damp place

Do not install in the place where the external magnetic field greater than 5 times the earth magnetic field, otherwise the circuit breaker will not work properly

Do not install in the place where vibration is greater than 5g

Do not install in areas where the gas medium can corrode the metal box and break the insulation

Circuit breaker installation site environment requirements

project

standard

Ambient air temperature

-5~+40, 24-hour average temperature value shall be not more than +35

Relative humidity

(when it’s +40) shall be not more than 50,The average minimum temperature of the wettest month shall not be more than +25, and the average maximum relative humidity of this wettest month shall not be more than 90%. The condensation on the product surface due to temperature change is also considered

altitude

No more than 2000 meters

Pollution level

3 A

2.3 installing method

Please install on metal flame retardant

2.3.1  product outline dimensions and mounting dimensions

2.3.2. The circuit breaker can be installed vertically or horizontally

2.3.3 Installation and connection

2.3.3.1 The mounting plate trepanning is shown in the figure

(1)Wiring in front of the plate(X-X, Y-Y are the Tripole circuit breaker center)

(2) wiring behind the plate(X-X, Y-Y are the tripole circuit break center)

(3) Plug-in shape and mounting dimensions

2.3.3.2  Fix the circuit breaker body, bottom plate (for behind the plate wiring use) and pedestal (for plug-in wiring use) on the mounting plate

2.3.3.3  Connect to main circuit

Wiring work must be done by professionally qualified personnel

Make sure the input power is completely disconnected before wiring work

The installation of circuit breaker body must be done before wiring work

Circuit breaker wiring must be in accordance with the up in and down out,of which 1,3,5 terminal connected to the power line, 2,4,6 terminal connected to the load line,  Do not to reverse line

(1) Connecting wire selection

The sectional area used for connection wires and the corresponding rated current are shown in the table below:

(2) terminal selection

The terminals for M1E circuit breaker shall be JGC or JBC (can be provided according to user order), of which specifications and models are shown in the figure and table

(3) Insulation sleeve must be installed on the binding post when wiring behind the plate

(4) Connect the pressed wire to the circuit breaker's conductive pole with a bolt (the bolt must be fitted with a flat washer and a spring washer) and tighten the bolt with the torque plate hand. The applied torque is shown in the table.

2.3.3.4 Install the flash barrier between circuit breakers

2.3.3.5  Electrical wiring for internal accessories of the circuit breaker

(1) Undervoltage tripper

Access the power supply according to the terminal number on the external undervoltage module(Dc power supply need not distinguish between positive and negative poles)

(2)shunt release

Access power supply according to the number of lead wires (dc power supply does not need to distinguish positive and negative poles)

Note: when the user uses DC24V shunt tripper, the maximum length of the copper wire (length of each of the two wires) shall be as shown in the table below:

(2) Auxiliary contact, alarm contact

Access the corresponding peripheral control circuit according to the number of lead wires.



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