Xi'an Yuanzheng Technology YZ202 Integrated Microcomputer Protection Device

The YZ202/302 series integrated microcomputer protection device is a new generation of substation automation product that combines the latest applied electronic technology, computer technology, power automation technology, and communication technology. It features multiple functions including protection, measurement, control, alarm, and communication. It serves as the core protection and monitoring component for 10kV/6kV intelligent switchgear. The YZ202/302 is specifically designed for lines and main equipment at the 10kV/6kV voltage level, offering functional applicability, stable performance, simple use and maintenance, strong anti-interference capability, and high cost-effectiveness. Due to its compact size and simple wiring, it is particularly suitable for installation on switchgear.

● Designed to address the characteristics of industrial and mining enterprise substations, such as high harmonic content, significant external interference, and voltage fluctuations, the device's electromagnetic compatibility standards exceed industry norms, enabling it to adapt to harsh working environments.
● Practical functionality, easy to use, and requires no debugging.
● Compact size, convenient installation and wiring, especially suitable for mounting on switchgear.
● The device is equipped with an independent measurement CT to ensure measurement accuracy.

YZ202-CX Feeder Protection and Control Device 8 channels 12 channels 5 channels RS485 Modbus Suitable for protection and control of 10kV and 6kV grid feeder lines.
YZ202-Factory Transformer Protection and Control Device 8 channels 12 channels 5 channels RS485 Modbus Suitable for protection and control of 10kV and 6kV factory transformers.
YZ202-JX Incoming Line Protection and Control Device 8 channels 12 channels 5 channels RS485 Modbus Suitable for protection and control of 10kV and 6kV grid incoming lines.
YZ202-JXZT Incoming Line Automatic Transfer Switching Control Device 8 channels 12 channels 5 channels RS485 Modbus Suitable for protection and control of backup incoming lines with automatic transfer switching function in a single-bus dual-power incoming line configuration with one main and one backup operation mode for 10kV and 6kV grids.
YZ202-JXZF Incoming Line Automatic Reclosing Control Device 8 channels 12 channels 5 channels RS485 Modbus Suitable for protection and control of main incoming lines with automatic reclosing function in a single-bus dual-power incoming line configuration with one main and one backup operation mode for 10kV and 6kV grids.
YZ202-MF Bus Section Protection and Control Device 8 channels 12 channels 5 channels RS485 Modbus Suitable for protection of bus sections in 10kV and 6kV grids when the bus is not segmented.
YZ202-MFZT Bus Section Automatic Transfer Switching Control Device 8 channels 12 channels 5 channels RS485 Modbus Suitable for automatic transfer switching of bus sections in 10kV and 6kV grids when the bus is segmented.
YZ202-DD Motor Protection and Control Device 8 channels 12 channels 5 channels RS485 Modbus Suitable for protection and control of 10kV and 6kV high-voltage asynchronous motors.
YZ202-DR Capacitor Protection and Control Device 8 channels 12 channels 5 channels RS485 Modbus Suitable for protection and control of 10kV and 6kV capacitors.
YZ202-PT PT Monitoring Device 8 channels 12 channels 5 channels RS485 Modbus Suitable for monitoring and switching of 10kV and 6kV bus PT operating conditions.
YZ202-PTB PT Parallel Device 8 channels 12 channels 5 channels RS485 Modbus Suitable for monitoring and paralleling of 10kV and 6kV bus PT operating conditions.