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YDW1 Intelligent Universal Circuit Breaker
The YDW1 series intelligent universal circuit breaker (hereinafter referred to as the circuit breaker) is suitable for AC 50Hz, rated voltage up to 660V (690V) and below, with a rated current of 400A to 6300A in power distribution networks. It is used to distribute electrical energy and protect circuits and power equipment from hazards such as overload, undervoltage, short circuit, and single-phase grounding.
YDQ1 series dual power automatic transfer switch
The CB-level series intelligent dual power automatic transfer switch consists of two three-pole or four-pole molded case circuit breakers and their accessories (auxiliary, alarm contacts), a mechanical interlock drive mechanism, and an intelligent controller. It is divided into two structures: integrated and split. The integrated type has the controller and the actuator mounted on the same base; the split type has the controller mounted on the cabinet panel, while the actuator is installed by the user inside the cabinet, connected to the controller with a cable approximately 2 meters long.
YDP4, B, C, D surge protectors
YDP4- B, C, D series surge protective devices (hereinafter referred to as SPD) are suitable for low-voltage AC distribution systems such as IT, T, TN-C, TN-S, TN-C-S power supply systems, providing protection against surges caused by indirect and direct lightning strikes or other transient overvoltages. According to the ICE61643-1:1998-02 standard, it is a type I surge protective device. Type B surge protective devices have common mode (MC) and differential mode (MD) protection methods. SPD complies with GB18802.1/IEC61643-1.
The YDP3 series surge protective device (hereinafter referred to as SPD) is a newly developed replaceable SPD based on the absorption of advanced foreign technology. SPD is suitable for power supply systems with an AC frequency of 50/60Hz and a rated voltage below 380V, providing protection against lightning strikes or direct lightning effects or other transient overvoltages. SPD features common mode (MC) and differential mode (MD) protection methods. SPD complies with GB18802.1 / IEC61643-1.
YDM1L series residual current protection plastic shell circuit breaker
The YDM1L series residual current protection plastic shell circuit breaker (hereinafter referred to as the leakage circuit breaker) is suitable for AC 50Hz (or 60Hz), with a rated insulation voltage of 800V, a rated working voltage of 400V, and a rated working current of up to 630A (800A) for circuits used for infrequent switching and infrequent starting of motors.
YDM1E series electronic plastic shell circuit breaker
YDM1E series electronic plastic shell circuit breaker
YDM1 series plastic shell circuit breaker
The YDM1 series plastic shell circuit breaker (hereinafter referred to as the circuit breaker) is suitable for AC 50Hz (or 60Hz), with a rated insulation voltage of 800V (YDM1-63 type is 500V), a rated working voltage of 690V (YDM1-63 is 400V and below), and a rated working current of up to 1250A for circuits used for infrequent switching and infrequent starting of motors (Inm ≤ 630A and below). The circuit breaker has overload, short circuit, and undervoltage protection functions, which can protect the circuit and power equipment from damage.
The YDG1 series isolating switch is suitable for control circuits in distribution boxes with a frequency of 50Hz or 60Hz and a rated working voltage of 230V or 400V and below. It mainly serves as the main switch for terminal appliances and can also be used to control various types of motors, small power appliances, and lighting. The product complies with GB14048.3 and IEC60947-3 standards.
YDD3- _B,C series surge protectors are suitable for AC 50/60HZ, 380V and below power supply systems such as T, TN-C, TN-S, IT, etc., providing protection against indirect lightning strikes, direct lightning strikes, or other instantaneous overvoltages.
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