DDSU666-H Smart Power Sensor
User Manual
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2 Overview
2.1 Product Overview
Type DDSU666-H Smart Power Sensor (hereinafter referred to as the “Sensor”) is specially
designed for the distributed photovoltaic system, to be a new Smart power sensor, combined
with measurement and communication, mainly applied into the measurement for electrical
quantity including voltage, current, power ,frequency, power factor, active energy etc. in the
electrical circuit. It can realize networking with the external device through RS485
communication interface. Adopting the standard DIN35mm din rail mounting, structural
module design, it is characterized with small volume, easy installation and networking, etc.
This performance index of the meter conforms to the following relevant technical standard:
EN 61326-1: 2013; IEC 61326-1: 2012;
EN 61326-2-1: 2013; IEC 61326-2-1: 2012;
EN 61010-1: 2010; IEC 61010-1:2010;
EN 61010-2-1: 2010; IEC 61010-2-1: 2010;
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