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MR1 Series

Thermal Relay
MR1 series overload thermal relay is suitable for circuit of AC 50/60Hz, rated voltage 690V, current 0.1~630A, and is used for overload and phase breaking protection of AC motor in long-term working or intermittent long-term working, which can be put together with contactor to form electromagnetic starters.

Product Features

Ultimate Protection and Flexible Use


● Overload and phase breaking protection function, ensuring the reliable operation of the motor effectively
● Action current can be set on site, providing more accurate protection and more flexible use


Visual Status and Easy Maintenance


● Tripping action display, facilitating the observation of thermal relay working status
● It supports vertical installation and horizontal installation, with modular design, providing flexible and convenient on-site maintenance


On-site Adjustable, and Easy Expansion


● Automatic and manual reset knob for direct on-site adjustment
● It can be used in conjunction with MC1 series contactors, or it can be used separately from the contactors with its own mounting base to meet the needs of customers on various occasions.


Solution

  • Rail Transit

    The low-voltage power distribution system of rail transit metro provides low-voltage power supply for all electromechanical equipment required for operation except traction load, laying great emphasis on the reliability and effectiveness of the power supply of low-voltage power distribution system.

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  • Data Communication

    Data centers gather a large number of servers、An IT equipment site for storage devices, network equipment, and supporting equipment such as UPS and precision air conditioners

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  • High-rise Buildings

    The voltage of power supply for medium and large buildings is generally 10kV,有时也可采用35kV。为了保证供电可靠性,应至少有两个独立电源。

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  • Medical Industry

    Hospital consumption system, not only needs to meet the requirements of civil building codes, building fire code requirements, but also needs to meet the requirements of hospital on消防供电可靠性、连续性要求。

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  • Industrial Industry

    Due to the special nature of the equipment load and the continuity of production in the industrial industry, the power supply must be reliable and uninterrupted.

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  • Wind Power Industry

    Due to a certain environment and load category in the wind power industry的特殊性,要求具有极高可靠性和供电连续性。

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  • Photovoltaic Industry

    For system security, grid operators often require The photovoltaic power generation system is connected to the low-voltage/medium-voltage distribution network through an isolation step-up transformer to achieve grid connection and operation

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  • EV Charging Solution

    The charging pile can be fixed to the ground or wall and can charge various models of electric vehicles according to different voltage levels.

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