Products

Suppliers
Filter Gallery
176,404

Over Voltage Relay

Products
Protection Relay Meter Relay Protective Device Protector Relay Voltage Stabilizer Relay High Power Relay Single Phase Relay

Sorry! No matches were found.

Acrel Ard3m Low Voltage 3 Phase Motor Protection Relay with Profinet Modbus TCP

Acrel Ard3m Low Voltage 3 Phase Motor Protection Relay with Profinet Modbus TCP

US $ 216-648 / Piece FOB
1 Piece (MOQ)
More
Main Products: Energy Meter, Current Transformer, Hall Effect Current Sensor, Current Transducer, Voltage Sensor, Signal Isolator, Temperature and Humidity Meter, Wireless Temperature Monitoring, Hospital Isolated Power Supply, Motor Protector
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Acrel E-Business (Shanghai) Co., Ltd.

Manufacturer/Factory,Trading Company

Shanghai, China Since 2021
Chat Now Send Inquiry
Haboo Electric Relays General Purpose Miniature Voltage Plug in Relay Hb14f 2z 8pin 12VDC 8A Relays AC 220V 24V DC

Haboo Electric Relays General Purpose Miniature Voltage Plug in Relay Hb14f 2z 8pin 12VDC 8A Relays AC 220V 24V DC

US $ 1.5-3.8 / Piece FOB
10 Pieces (MOQ)
More
Load : High Power Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Yueqing Haboo Technology Co., Ltd.

Zhejiang, China Since 2024
Chat Now Send Inquiry
High Voltage DC Contactor 400A 450V 750V 1000V Coil Voltage 24V Relay for Fast Charging Pile EV Station Energy Storage System Vvc400

High Voltage DC Contactor 400A 450V 750V 1000V Coil Voltage 24V Relay for Fast Charging Pile EV Station Energy Storage System Vvc400

US $ 47.5-55.5 / Piece FOB
10 Pieces (MOQ)
More
Main Products: High Voltage DC Contactors, Sensor, Bdu, PDU, Hv Relay, Car Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2024
VICVAC Electronics Technology (Changzhou) Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2024
Chat Now Send Inquiry
Electronic Components Industrial 500A High Voltage Relay 1618002-7 EV200aaana

Electronic Components Industrial 500A High Voltage Relay 1618002-7 EV200aaana

US $ 28-35 / Piece FOB
10 Pieces (MOQ)
More
Usage : Car Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hangzhou Huantong Auto Parts Co., Ltd

Manufacturer/Factory

Zhejiang, China Since 2024
Chat Now Send Inquiry
Acrel Ard3m Low Voltage Three-Phase Motor Control Protection Relay with Profinet Modbus-TCP

Acrel Ard3m Low Voltage Three-Phase Motor Control Protection Relay with Profinet Modbus-TCP

US $ 215.4-646.2 / Piece FOB
1 Piece (MOQ)
More
Main Products: Power Meter, Energy Meter, WiFi Meter, RS485 Modbus-RTU Meter, Multifunction Relay, Motor Protection Relay, Busbar Temperature Sensor, Power Tag, Insulation Monitor, Current Sensor
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Jiangsu Acrel Microgrid Institute Co., Ltd

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2020
Chat Now Send Inquiry
Geya Grt8-S Wide Voltage Cycle Asymmetric Time Relay AC/DC12V-240V AC230V

Geya Grt8-S Wide Voltage Cycle Asymmetric Time Relay AC/DC12V-240V AC230V

US $ 8.58-11.22 / Piece FOB
20 Pieces (MOQ)
More
Protective Characteristics : Enclosed Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Zhejiang Geya Electrical Co., Ltd.

Manufacturer/Factory,Trading Company,Other

Zhejiang, China Since 2022
Chat Now Send Inquiry
Timing Counting Function Voltage Relay Phase Sequence Protection

Timing Counting Function Voltage Relay Phase Sequence Protection

US $ 16.45-18.21 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Electronic Relay, Motor Protector, Voltage Relay, Current Relay, Time Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Yueqing Aukeman Trading Co., Ltd.

Manufacturer/Factory,Trading Company,Other

Zhejiang, China Since 2010
Chat Now Send Inquiry
Promotion Original EV200haana 1-1618002-8 12-24VDC High Voltage Relays in Stock

Promotion Original EV200haana 1-1618002-8 12-24VDC High Voltage Relays in Stock

US $ 28-35 / Piece FOB
10 Pieces (MOQ)
More
Load : High Power Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hangzhou Huantong Auto Parts Co., Ltd

Manufacturer/Factory

Zhejiang, China Since 2024
Chat Now Send Inquiry
90A Overvoltage Protection Over Under Voltage Protector Surge Protection Device Power Latch Ovp Relay

90A Overvoltage Protection Over Under Voltage Protector Surge Protection Device Power Latch Ovp Relay

US $ 2-4 / Piece FOB
50 Pieces (MOQ)
More
Main Products: Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2024
YUEQING EASTING TRADING CO.,LTD.

Trading Company

Hubei, China Since 2024
Chat Now Send Inquiry
LCD Display Voltage Relay Phase Failure Phase Sequence Protection Relay

LCD Display Voltage Relay Phase Failure Phase Sequence Protection Relay

US $ 16.45-18.21 / Piece FOB
100 Pieces (MOQ)
More
Action Principle : Electronic Type
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Yueqing Aukeman Trading Co., Ltd.

Manufacturer/Factory,Trading Company,Other

Zhejiang, China Since 2010
Chat Now Send Inquiry
Flourishing Professional Relay Manufacturer Elgc Brand Low Voltage Communication Relay

Flourishing Professional Relay Manufacturer Elgc Brand Low Voltage Communication Relay

US $ 0.14-0.17 / Piece FOB
2,000 Pieces (MOQ)
More
Main Products: N/a
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Ningbo Flourishing Precision Electron Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2023
Chat Now Send Inquiry
DC Contactor HFE82V-100D HONGFA High voltage 450V 750V 100A Relay

DC Contactor HFE82V-100D HONGFA High voltage 450V 750V 100A Relay

US $ 38-50 / Piece FOB
1 Piece (MOQ)
More
Main Circuit Rating Current : 100A
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Beian (Suzhou) New Energy Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2021
Chat Now Send Inquiry
Contactor Relay Variable-Frequency Drive Circuit Breaker Voltage Regulator Electrical Control System
NVR5V High Voltage DC Relay for Electric Vehicle Charging Pile Energy Storage

NVR5V High Voltage DC Relay for Electric Vehicle Charging Pile Energy Storage

US $ 10-200 / Piece FOB
1 Piece (MOQ)
More
Main Products: AC Contactor, Thermal Overload Relay, MCCB, Contactor, Acb, DC Contactor, MCB, Overload Relay, Circuit Breaker, MPCB
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Gansu A&D Trading Co., Ltd.

Manufacturer/Factory,Trading Company

Gansu, China Since 2024
Chat Now Send Inquiry
Scii High Voltage DC Contactor Lev100-12ad Relay

Scii High Voltage DC Contactor Lev100-12ad Relay

US $ 25-30 / Piece FOB
10 Pieces (MOQ)
More
Protective Characteristics : Sealed Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hangzhou Huantong Auto Parts Co., Ltd

Manufacturer/Factory

Zhejiang, China Since 2024
Chat Now Send Inquiry
AC/DC Voltage Relay Monitoring Relay Protector Relay

AC/DC Voltage Relay Monitoring Relay Protector Relay

US $ 8.73-10.62 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Electronic Relay, Motor Protector, Voltage Relay, Current Relay, Time Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Yueqing Aukeman Trading Co., Ltd.

Manufacturer/Factory,Trading Company,Other

Zhejiang, China Since 2010
Chat Now Send Inquiry
Blue Jay Arc Fault Detection Busbar Feeder Protection Relay Arc Flash Relay for Voltage and Medium-Voltage Switchgear

Blue Jay Arc Fault Detection Busbar Feeder Protection Relay Arc Flash Relay for Voltage and Medium-Voltage Switchgear

US $ 1,000-3,500 / Piece FOB
1 Piece (MOQ)
More
Load : Medium Power Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Chongqing Blue Jay Technology Co., Ltd

Manufacturer/Factory

Chongqing, China Since 2024
Chat Now Send Inquiry
40A 63A 230V DIN Rail Dual Display Adjustable Over Voltage Current and Under Voltage Protective Device Protector Relay

40A 63A 230V DIN Rail Dual Display Adjustable Over Voltage Current and Under Voltage Protective Device Protector Relay

US $ 2.88 / Piece FOB
5 Pieces (MOQ)
More
Main Products: N/a
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Wenzhou Taiye Electric Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2024
Chat Now Send Inquiry
High Voltage DC Contactor/Relay for EV and EV Charging or Energy Storage with Rated Voltage 750V 1000V Rated Current 100A Coil 9-36V Double Contacts Factory

High Voltage DC Contactor/Relay for EV and EV Charging or Energy Storage with Rated Voltage 750V 1000V Rated Current 100A Coil 9-36V Double Contacts Factory

US $ 20-25 / pieces FOB
1 pieces (MOQ)
More
Main Circuit Rating Voltage : 1000V
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Xsh Smart Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Aoasis Adfk-05/05f AC220/380V 50/60Hz Digital Electric Voltage Protector Relay with LCD Display

Aoasis Adfk-05/05f AC220/380V 50/60Hz Digital Electric Voltage Protector Relay with LCD Display

US $ 12.4-13.2 / Piece FOB
1 Piece (MOQ)
More
Main Products: Circuit Breaker, SPD, Contactor, Thermal Overload Relay, D. O. L Motor Starter, Time Relay, Protection Relay, MCCB, ELCB
Contact Supplier
Audited Supplier Audited Supplier Since 2011
Aoasis (Hangzhou) International Business Co., Ltd

Manufacturer/Factory

Zhejiang, China Since 2011
Chat Now Send Inquiry
High Voltage Epoxy Resin Sealed Energy Storage System DC Relay

High Voltage Epoxy Resin Sealed Energy Storage System DC Relay

US $ 18.22-34.16 / Piece FOB
100 Pieces (MOQ)
More
Electricity Type : DC
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Suzhou Anlaiqiang Electronic Technology Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2024
Chat Now Send Inquiry
Related Videos
  • What is Acrel Ard3m Low Voltage 3 Phase Motor Protection Relay with Profinet Modbus TCP
    What is Acrel Ard3m Low Voltage 3 Phase Motor Protection Relay with Profinet Modbus TCP
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
  • What is Haboo Electric Relays General Purpose Miniature Voltage Plug in Relay Hb14f 2z 8pin 12VDC 8A Relays AC 220V 24V DC
    What is Haboo Electric Relays General Purpose Miniature Voltage Plug in Relay Hb14f 2z 8pin 12VDC 8A Relays AC 220V 24V DC
    Negotiable
    10 Pieces (MOQ)
    Contact Supplier
  • What is High Voltage DC Contactor 400A 450V 750V 1000V Coil Voltage 24V Relay for Fast Charging Pile EV Station Energy Storage System Vvc400
    What is High Voltage DC Contactor 400A 450V 750V 1000V Coil Voltage 24V Relay for Fast Charging Pile EV Station Energy Storage System Vvc400
    Negotiable
    10 Pieces (MOQ)
    Contact Supplier
  • What is Acrel Ard3m Low Voltage Three-Phase Motor Control Protection Relay with Profinet Modbus-TCP
    What is Acrel Ard3m Low Voltage Three-Phase Motor Control Protection Relay with Profinet Modbus-TCP
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
Gth Series Micro Switch 3-Phase Heating Overload Relay for Low-Voltage Distribution Protection

Gth Series Micro Switch 3-Phase Heating Overload Relay for Low-Voltage Distribution Protection

US $ 5-30 / Piece FOB
5 Pieces (MOQ)
More
Main Products: Terminal
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Zhejiang Yuanou Electric Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2022
Chat Now Send Inquiry
Hsr4V3-20 Environment-Friendly Voltage Relay Timer

Hsr4V3-20 Environment-Friendly Voltage Relay Timer

US $ 13 / Piece FOB
100 Pieces (MOQ)
More
Number of Pole : 8
Contact Supplier
Audited Supplier Audited Supplier Since 2021
NINGBO KAIFENG HIGHLED INTELLIGENT TECHNOLOGY CO.,LTD

Trading Company

Zhejiang, China Since 2021
Chat Now Send Inquiry
AC12V-380V 50/60Hz Adjustable Miniature Mechanical Electric Anly Multi Voltage Timer Relay

AC12V-380V 50/60Hz Adjustable Miniature Mechanical Electric Anly Multi Voltage Timer Relay

US $ 3.5-3.8 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Micro Switch, Limit Switch, Toggle Switch, Waterproof Switch, Foot Switch, Switch, Electrical Switch, Tact Switch, Time Relay, Rocker Switch
Contact Supplier
Audited Supplier Audited Supplier Since 2015
Jiangxi Nanma Electrical Co., Ltd.

Manufacturer/Factory,Trading Company,Other

Jiangxi, China Since 2015
Chat Now Send Inquiry
High Voltage Magnetic Latching Relay Single Phase with Terminal

High Voltage Magnetic Latching Relay Single Phase with Terminal

US $ 1.45-3.75 / Piece FOB
100 Pieces (MOQ)
More
Protective Characteristics : Enclosed Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Zhejiang Goodvic Electronic Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2024
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

Medium and Low Voltage Ground and Phase Protection Relay Am2se

Medium and Low Voltage Ground and Phase Protection Relay Am2se

US $ 777 / Piece FOB
1 Piece (MOQ)
More
Main Products: Energy Meter, PV/Solar Energy Mter, Date Senter/Tower/Base Station Module, IoT Monitoring System, Medical It Monitor, Static Var Generator, Charging Pile, Transformer Current, Active Power Filter, Temperature&Humidity Controller
Contact Supplier
Audited Supplier Audited Supplier Since 2019
ACREL CO., LTD.

Manufacturer/Factory,Trading Company

Shanghai, China Since 2019
Chat Now Send Inquiry
High Voltage 12 Volt 24 48 110 EV Relay Hvdc

High Voltage 12 Volt 24 48 110 EV Relay Hvdc

US $ 30-60 / Piece FOB
1 Piece (MOQ)
More
Number of Pole : 1
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Yueqing Greenwich Imp & Exp Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2017
Chat Now Send Inquiry
High Voltage 750V Auto Automotive DC Relay Auto Hfe18V-100 DC Contactor

High Voltage 750V Auto Automotive DC Relay Auto Hfe18V-100 DC Contactor

US $ 75-95 / Piece FOB
2 Pieces (MOQ)
More
Main Products: Connectors, on Board Charger, Solar Panels, Inverters, Relays and Fuses, Battery Cells, Customized PDU, Motors and Controllers, Dcdc Converter, PTC
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Hefei EV Parts Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Anhui, China Since 2022
Chat Now Send Inquiry
Lrv8-02 AC/DC110-240vsingle Phase Monitoring Voltage Relay, Ce Proved Monitoring Voltage Relay, Over and Under Voltage Relay

Lrv8-02 AC/DC110-240vsingle Phase Monitoring Voltage Relay, Ce Proved Monitoring Voltage Relay, Over and Under Voltage Relay

US $ 7.95-8.07 / Piece FOB
100 Pieces (MOQ)
More
Function : Addition Counter
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Yueqing Lifang Electric Co., Ltd.

Trading Company

Zhejiang, China Since 2019
Chat Now Send Inquiry
Songyan Single Phase Voltage Regulator 140V-260V, AC Relay Type Adr Series

Songyan Single Phase Voltage Regulator 140V-260V, AC Relay Type Adr Series

US $ 7-60 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Voltage Regulator, Voltage Stabilizer, Automatic Voltage Regulator, Automatic Voltage Stabilizer, Servo Type of Voltage Stabilizer, Relay Type of Voltage Stabilizer, Power Panel, Power Strip, Power Strip with USB, Power Strip USB
Contact Supplier
Audited Supplier Audited Supplier Since 2008
Shouning Songyan Electric Apparatus Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2008
Chat Now Send Inquiry
Motor Overload Relay 3 Phase Sequence Loss Voltage Current Pump Blower Protector Protection Relay

Motor Overload Relay 3 Phase Sequence Loss Voltage Current Pump Blower Protector Protection Relay

US $ 90-290 / Piece FOB
1 Piece (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Jiangsu Sfere Electric Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2023
Chat Now Send Inquiry
Industrial 12V 24V 220V High Voltage 3-32VDC 10A-100A SSR Solid State Relay DC to DC

Industrial 12V 24V 220V High Voltage 3-32VDC 10A-100A SSR Solid State Relay DC to DC

US $ 2-10 / pieces FOB
1 pieces (MOQ)
More
Main Products: Cartridge Heater, Thermocouple, Silicone Heater, Flexible Heater, Tubular Heater, Immersion Heater, Polyimide Heater, Band Heater, Drum Heater, Hot Runner Heater
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Taizhou Best Electric Equipment Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2024
Chat Now Send Inquiry
100A Single Phase Relay 250V Max. Voltage for Smart Electricity Meters

100A Single Phase Relay 250V Max. Voltage for Smart Electricity Meters

US $ 1.5-4.99 / Piece FOB
100 Pieces (MOQ)
More
Size : Miniature
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Zhe Jiang Yue Ding Corrugated Tube Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2007
Chat Now Send Inquiry
20A 48VDC Relay with DC Input Voltage and AC Load Voltage

20A 48VDC Relay with DC Input Voltage and AC Load Voltage

US $ 0.45-0.55 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Relay, Contactor, Shunt, Transformer, Inductor, Panel Switch Control, Electronics, Latching Relay, Power Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Zhejiang Fanhar Electronics Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2017
Chat Now Send Inquiry
40A 14VDC 4pin High Withstand Voltage Electrical Automotive Power Car Preheating Relay

40A 14VDC 4pin High Withstand Voltage Electrical Automotive Power Car Preheating Relay

US $ 0.3-1 / Piece FOB
100 Pieces (MOQ)
More
Application : Imitated European Cars
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Wenzhou Hongming Electrical Appliance Co., Ltd

Manufacturer/Factory

Zhejiang, China Since 2024
Chat Now Send Inquiry
Motor Phase Failure&Phase Sequence&Over-Voltage&Under-Voltage Protective Relay

Motor Phase Failure&Phase Sequence&Over-Voltage&Under-Voltage Protective Relay

500 Pieces (MOQ)
More
Main Products: MCB, RCCB, SPD, Change-Over Switch, MCCB, Thermal Overload Relay, AC Contactor, DIN Rail Mount Isolator, Photovoltaic Combiner Box, RCBO
Contact Supplier
Audited Supplier Audited Supplier Since 2016
Yueqing Long Road Electric Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2016
Chat Now Send Inquiry
High Voltage 90A Latching Relay with Dual Coil Technology

High Voltage 90A Latching Relay with Dual Coil Technology

US $ 1-1.3 / Piece FOB
100 Pieces (MOQ)
More
Protective Characteristics : Enclosed Relay
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Yueqing RunEasy Electronic Technology Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2024
Chat Now Send Inquiry
Protection Relay Meter Relay Protective Device Protector Relay Voltage Stabilizer Relay High Power Relay Single Phase Relay
View More

Related Searches

Meter Component Time Relay Overload Relay Relay Electric Relay Contactor Solid State Relay Thermal Relay Miniature Relay Wholesale Over Voltage Relay

Browse by Categories

Home > Electrical & Electronics > Relay & Contactor > Contactor
1/834
TOP

Search Filter

Categories

More Less
  • Contactor
  • Relay
  • Variable-Frequency Drive
  • Circuit Breaker
  • Voltage Regulator
  • Electrical Control System
  • Auto Relay
  • Other Breaker & Protector
  • Isolation Switch
  • Reed Switch

Action Principle

More Less
  • Electromagnetic Type
  • Electronic Type
  • Rectifier Type
  • Numeric Type
  • Induction Type

Electricity Type

More Less
  • Ac
  • Dc
  • Vacuum

Size

More Less
  • Miniature
  • Subminiature

Type

More Less
  • Electric Parameter Relay
  • Non-Electric Parameter Relay

Usage

More Less
  • Household Appliances Relay
  • Communication Relay
  • Car Relay
  • Lathe Relay

Company Type

More Less
  • Manufacturer/Factory
  • Trading Company
  • Group Corporation
  • Individuals/SOHO
  • Other

Company Location

More Less
  • Zhejiang
  • Guangdong
  • Shandong
  • Jiangsu
  • Shanghai
  • Fujian
  • Tianjin
  • Henan
  • Anhui
  • Hubei
  • Hebei
  • Chongqing
  • Hunan
  • Sichuan
  • Beijing
  • Jiangxi
  • Shaanxi
  • Gansu
  • Guangxi
  • Liaoning
  • Yunnan
  • Ningxia
  • Hongkong S.A.R.
  • Heilongjiang
  • Hainan
  • Guizhou
  • Taiwan, China

Product Types

More Less
  • SecuredTrading
  • Buy Sample
Reset Done