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Circuit Breaker 230V 2 Miniature AC 110V Type MCB 50A Pole

A circuit breaker refers to a switching device that can close, carry and break current under normal circuit conditions and can close, carry and break current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. Circuit breakers can be used to distribute electric energy, start asynchronous motors infrequently, and protect power lines and motors. When they have serious overload or short-circuit and under-voltage faults, they can automatically cut off the circuit. Its function is equivalent to a fuse switch. Combination with overheating and underheating relay, etc. Moreover, it is generally not necessary to change the components after breaking the fault current. It has been widely used. Power distribution is an extremely important link in the generation, transmission and use of electricity. The power distribution system includes transformers and various high and low voltage electrical equipment, and the low voltage circuit breaker is a widely used electrical appliance. The main contacts of the low-voltage circuit breaker are closed manually or electrically. After the main contact is closed, the free trip mechanism locks the main contact in the closed position. The coil of the overcurrent release and the thermal element of the thermal release are connected in series with the main circuit, and the coil of the undervoltage release is connected in parallel with the power supply. When the circuit is short-circuited or severely overloaded, the armature of the overcurrent release is pulled in to make the free release mechanism act, and the main contact disconnects the main circuit. When the circuit is overloaded, the thermal element of the thermal release will heat up and bend the bimetal, pushing the free release mechanism to act. When the circuit is undervoltage, the armature of the undervoltage release is released. Also actuate the free trip mechanism. The shunt release is used for remote control. During normal operation, its coil is powered off. When distance control is required, press the start button to energize the coil.Key FeaturesModelNumber：TOMG3-63/2/C50 is_customized：Yes Type：Mini BrandName：TONGOU Ratedcurrent：50A Ratedshort-circuitcapacity：4.5KA Ratedimpulsewithstandvoltage：6.2kV Ratedvoltage：AC110V/220V/230V/400V Certificate：CECCC Standard：IEC60898 Ratedfrequency：AC50/60Hz Electro-mechanicalendurance：Morethan6000What's In the Box1×circuit breaker

Professional Laboratory Electrode Aquarium Hydroponic

ORP-201H high-precision compound laboratory electrode has excellent waterproof and field applicability; it can be maintained, convenient, and accurate; it has a wide range of measurement; It is suitable for various ORP-Q9 type BNC plugs according to the needs of industry testing.Features:Widely used to test the the ORP of aqueous solution/water.100% ORP electrode probe.Great laboratory ORP electrode probe.Suitable for most ORP meter and controller with BNC connector.Apply in water sources, aquarium, hydroponics, laboratory, spas, swimming pools and other water systems.Specifications:Type: Laboratory Electrode Display: Digital DisplayProbe Type: Sensitive Crystal Ball BubbleRange: -2000 ～ +2000ORPAccuracy: 1mVTemperature Range: 0 ～ 50℃Material: PolycarbonateType of Electrode Plug: Q9 BNC: UprightElectrode Length:14.8cmCable length:110cm/190cm(Optional)Package Size:17.8*6.5*3cm/7.01*2.56*1.18inPackage Weight: 110cm:110g/3.88oz190cm:120g/4.23ozPackage List:1 * ORP ElectrodeKey FeaturesWidely used to test the the ORP of aqueous solution/water.100% ORP electrode probe.Great laboratory ORP electrode probe.Suitable for most ORP meter and controller with BNC connector.Apply in water sources, aquarium, hydroponics, laboratory, spas, swimming pools and other water systems.Widely used to test the the ORP of aqueous solution/water.What's In the Box1 x ORP Electrode

2 Pole 50A MCB Miniature Circuit Breaker Type AC 110V 230V

A circuit breaker refers to a switching device that can close, carry and break current under normal circuit conditions and can close, carry and break current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. Circuit breakers can be used to distribute electric energy, start asynchronous motors infrequently, and protect power lines and motors. When they have serious overload or short-circuit and under-voltage faults, they can automatically cut off the circuit. Its function is equivalent to a fuse switch. Combination with overheating and underheating relay, etc. Moreover, it is generally not necessary to change the components after breaking the fault current. It has been widely used. Power distribution is an extremely important link in the generation, transmission and use of electricity. The power distribution system includes transformers and various high and low voltage electrical equipment, and the low voltage circuit breaker is a widely used electrical appliance. The main contacts of the low-voltage circuit breaker are closed manually or electrically. After the main contact is closed, the free trip mechanism locks the main contact in the closed position. The coil of the overcurrent release and the thermal element of the thermal release are connected in series with the main circuit, and the coil of the undervoltage release is connected in parallel with the power supply. When the circuit is short-circuited or severely overloaded, the armature of the overcurrent release is pulled in to make the free release mechanism act, and the main contact disconnects the main circuit. When the circuit is overloaded, the thermal element of the thermal release will heat up and bend the bimetal, pushing the free release mechanism to act. When the circuit is undervoltage, the armature of the undervoltage release is released. Also actuate the free trip mechanism. The shunt release is used for remote control. During normal operation, its coil is powered off. When distance control is required, press the start button to energize the coil.Key FeaturesModelNumber：TOMG3-63/2/C50 is_customized：Yes Type：Mini BrandName：TONGOU Ratedcurrent：50A Ratedshort-circuitcapacity：4.5KA Ratedimpulsewithstandvoltage：6.2kV Ratedvoltage：AC110V/220V/230V/400V Certificate：CECCC Standard：IEC60898 Ratedfrequency：AC50/60Hz Electro-mechanicalendurance：Morethan6000What's In the Box1×circuit breaker