SENTRON PAC1020 Multifunctional Smart Meter § SENTRON PAC1020 Power Monitoring Device

The SENTRON PAC1020 is a basic multi-functional power monitoring device from Siemens. It can measure voltage, current, active power, inactive power, and frequency with accuracy conforming to IEC 62053-21 standards. It is equipped with a white LCD display, supports RS-485 Modbus-RTU communication, and features a 96x96mm panel mounting design.

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The SENTRON PAC1020 is a basic power monitoring device in the Siemens SENTRON series. It can measure basic power parameters such as voltage, current, power and frequency, and transmit data back through an RS-485 Modbus-RTU communication interface. It is suitable as a monitoring meter for distribution panel panels.

Core Product Advantages and Features
Measurement of multiple basic electrical parameters
It measures voltage, current, effective power, ineffective power, and frequency using the true root mean square (TRMS) measurement method, and is applicable to sine waves and distorted waveforms.
IEC 62053-21 Measurement Accuracy
The effective electrical energy meets the Class 1 accuracy level, with a voltage measurement error of 0.5%, a current measurement error of 0.5%, and an effective power of 1%.
RS-485 Modbus-RTU communication
It has a built-in RS-485 communication interface, supports the Modbus-RTU protocol, and has an adjustable transmission rate of 4800-115200 bit/s.
Compact panel mounting design
With a panel size of 96x96mm, an installation depth of only 42mm, and a weight of approximately 240g, it is suitable for installation in distribution panels with limited space.
project Specification
External dimensions 96 x 96mm, depth 42mm
Rated voltage 3x400/230V (Measuring range 11.5-280V)
Rated current 5A (Measuring range 10-120% of rated value)
Precision Standard IEC 62053-21 class 1
Communication Interface RS-485, Modbus-RTU
weight Approximately 240g