ARD2 Smart Motor Protector

Product catalog summary

Overview: The ARD2 Smart Motor Protector is designed to safeguard motors during operation and includes an SOE fault event recorder. It features an RS485 remote communication interface and a DC4-20mA analog output, facilitating integration with control systems like PLCs and PCs.

Technical Specifications: The device operates with an auxiliary power supply of AC85~265V/DC100~350V and consumes 15VA. It supports rated voltages of AC380V/AC660V at 50Hz/60Hz. The protector accommodates various current settings, ranging from 0.1A to 800A, depending on the transformer type.

Additional Functions: Key features include RS485 (Modbus-RTU) communication, leakage protection, analog output, switch inputs, relay outputs, SOE recording, and programmable alarms. Specific codes are assigned to each function for easy identification.

Installation and Operation: The document provides detailed installation dimensions and methods for the protector and transformers. It includes wiring instructions and descriptions of LED and LCD displays for monitoring current signals and system status.

Parameter Settings: Users can configure various parameters such as overload, unbalance, under-load thresholds, and trip delays. The protector supports user programming for customized operation, with settings for alarms, trips, and communication protocols.

Environmental Conditions: The ARD2 operates within a temperature range of -10℃ to 55℃ and can be stored between -20℃ and 60℃. It is suitable for environments with relative humidity between 5% and 95% (non-condensing) and altitudes up to 2000 meters.

Protection and Safety: The device is rated for pollution level 2 and has a protection level of IP20 for the main module. It is categorized under installation class III, ensuring robust performance in industrial settings.

Catalog excerpts

ARD2 Smart Motor Protector Technical parameter Overview ARD2 smart motor protector can protect the motor during the running and provide the SOE fault event recorder. It is equipped with the RS485 remote communication interface and the DC4-20mA analog output, which is convenient to form a network system together with control machines like PLC and PC. Model Description Note:When the additional function is equipped with leakage protection'L', it is necessary to purchase leakage current transformer with different apertures according to the actual current. Installation and operation instruction

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rzl AcrelWiring Short-circuit/ earthing Trip trip (programmable 1) Leakage current transformer External fault Switching input Leakage current input Size Standard ■ Installation method Operating and Display Installation and operation instruction

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ARD2 ■ Parameter setting comparison table Table 4 Installation and operation instruction

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Installation and operation instruction

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ARD2 Smart Motor Protector

ARD2 Smart Motor Protector

Catalog excerpts

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