EATON Contactor DILM17-10(220V50/60Hz)

DILM17-10 Product Introduction:Low-voltage circuit breakers, also known as automatic air switches, can be used to turn load circuits on and off, as well as to control motors that start infrequently. Its function is equivalent to the sum of some or all the functions of electrical appliances such as knife switch, overcurrent relay, loss of voltage relay, thermal relay and leakage protector, and is an important protection appliance in the low-voltage distribution network.
EATON Contactors:
EATON Contactor DILM17-10(220V50/60Hz)

Product Description:

The circuit breaker is generally composed of a contact system, an arc extinguishing system, an operating mechanism, a tripper, a shell, etc.

When there is a short circuit, the magnetic field generated by the high current (generally 10 to 12 times) overcomes the reaction spring, the tripper pulls the operating mechanism to act, and the switch trips instantaneously. When overloaded, the current becomes larger, the heat generation intensifies, and the bimetal sheet deforms to a certain extent to push the mechanism to act (the larger the current, the shorter the action time).

If there is an electronic type, the transformer is used to collect the current of each phase, and compared with the set value, when the current is abnormal, the microprocessor sends a signal to make the electronic tripper drive the operating mechanism to act.

The function of the circuit breaker is to cut off and turn on the load circuit, as well as cut off the fault circuit, to prevent the expansion of the accident and ensure safe operation. The high-voltage circuit breaker needs to break the arc of 1500V and the current is 1500-2000A, which can be stretched to 2m and continue to burn without extinguishing. Therefore, arc extinguishing is a problem that must be solved by high-voltage circuit breakers.

On the other hand, the arc blowing and elongating the arc strengthens the recombination and diffusion of charged particles, and at the same time blows away the charged particles in the arc gap to quickly restore the dielectric strength of the medium.

Low-voltage circuit breakers, also known as automatic air switches, can be used to turn load circuits on and off, as well as to control motors that start infrequently. Its function is equivalent to the sum of some or all the functions of electrical appliances such as knife switch, overcurrent relay, loss of voltage relay, thermal relay and leakage protector, and is an important protection appliance in the low-voltage distribution network.

Low-voltage circuit breakers are widely used because of their advantages such as a variety of protection functions (overload, short circuit, undervoltage protection, etc.), adjustable action value, high breaking capacity, convenient operation and safety. Structure and working principleThe low-voltage circuit breaker is composed of an operating mechanism, a contact, a protection device (various trippers), an arc extinguishing system, etc.

The main contact of the low-voltage circuit breaker is either manually operated or electrically closed. After the main contact is closed, the free trip mechanism locks the main contact in the closing position. The coil of the overcurrent tripper and the thermal element of the thermal tripper are connected in series with the main circuit, and the coil of the undervoltage tripper and the power supply are connected in parallel. When the circuit is short-circuited or seriously overloaded, the armature of the overcurrent tripper is engaged, so that the free tripping mechanism acts, and the main contact disconnects the main circuit. When the circuit is overloaded, the heat of the thermal element of the thermal tripper causes the bimetal sheet to bend and push the free trip mechanism to act. When the circuit is undervoltage, the armature of the undervoltage tripper is released. It also makes the free trip mechanism move. The shunt tripper is used for long-distance control, and when it is working normally, its coil is powered off, and when distance control is required, press the start button to energize the coil.

The above products are the introduction of EATON contactor DILM17-10 (220V50/60Hz), this introduction is: low-voltage circuit breaker is also known as automatic air switch, which can be used to turn on and off the load circuit, and can also be used to control the motor that does not start frequently. Its function is equivalent to the sum of some or all the functions of electrical appliances such as knife switch, overcurrent relay, loss of voltage relay, thermal relay and leakage protector, and is an important protection appliance in the low-voltage distribution network.

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EATON Contactor DILM17-10(220V50/60Hz)

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