Products

Suppliers
Filter Gallery
701,245

Protection Circuit

Products
Integrated Circuit Back Protection Circuit Board Printed Circuit Protection Tape Flexible Printed Circuit

Sorry! No matches were found.

Durable Gate Gate Featuring 850nm Light Source and Short Circuit Protection

Durable Gate Gate Featuring 850nm Light Source and Short Circuit Protection

US $ 10-11 / Set FOB
10 Sets (MOQ)
More
Main Products: High Speed Door Servo Moto, Fast Door Servo Motor, Industrial Door Servo Motor, Light Curtain, Optoelectronic Switch, Radar Sensor, Soft Fast Door Servo Motor, Hard Turbine Fast Door Servo Motor, Hard Turbo Fast Door, Industrial Door
Contact Supplier
Audited Supplier
Hubei Xinwangda Technology Co., Ltd

Hubei, China Since 2024
Chat Now Send Inquiry
Ultra-Thin Flexible Circuit Board with Coverlay Protection

Ultra-Thin Flexible Circuit Board with Coverlay Protection

US $ 2 / Piece FOB
2 Pieces (MOQ)
More
Base Material : Copper
Contact Supplier
Audited Supplier
Shenzhen Chengruyuan Technology Co., Ltd.

Guangdong, China Since 2021
Chat Now Send Inquiry
Four-Circuit Protection Valve

Four-Circuit Protection Valve

US $ 6 / Piece FOB
1 Piece (MOQ)
More
Main Products: Dump Truck, Tractor Truck, Special Truck, Semi-Trailer, Construction Machinery
Contact Supplier
Lianzhong Automotive Technology (Shandong) Co., Ltd.

Shandong, China Since 2025
Chat Now Send Inquiry
Lead Time 3-5 Days Lir1620 Reliable and No Circuit Protection Normal Temperatures: -20~60c

Lead Time 3-5 Days Lir1620 Reliable and No Circuit Protection Normal Temperatures: -20~60c

US $ 0.32 / Piece FOB
1,000 Pieces (MOQ)
More
Size : Small
Contact Supplier
Audited Supplier
Shenzhen Richlight Technology Co., Ltd.

Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
nSMD010 30V 0.1A 1206 Resettable Fuse Circuit Protection fuses

nSMD010 30V 0.1A 1206 Resettable Fuse Circuit Protection fuses

US $ 0.03-340 / Piece FOB
50 Pieces (MOQ)
More
Main Products: IC, Capacitor, Resistor, Electronic Components, Integrated Circuit, Transistor, Relay, Diode, MCU, Connector
Contact Supplier
Audited Supplier
Shenzhen Semilotec Co., Ltd.

Guangdong, China Since 2018
Chat Now Send Inquiry
in Stock Upc1237ha C1237ha TV Speaker Protection Module Audio Integrated Circuit

in Stock Upc1237ha C1237ha TV Speaker Protection Module Audio Integrated Circuit

US $ 0.26-0.3 / Piece FOB
100 Pieces (MOQ)
More
Certification : RoHS, CE, ISO, CCC
Contact Supplier
Audited Supplier
Shengxinweiye (Shenzhen) Co., Ltd

Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Mico Electronic Circuit Protection, 2 Channels 9000-41042-0401000

Mico Electronic Circuit Protection, 2 Channels 9000-41042-0401000

US $ 77.7-80 / Piece FOB
1 Piece (MOQ)
More
Main Products: Pneumatic Cylinder, Vacuum Grips, Festo Pressure Regulator, Fittings, Connector Cable, Pneumatic Valve
Contact Supplier
Audited Supplier
Shenzhen Warriorz Technology Co., Ltd.

Guangdong, China Since 2023
Chat Now Send Inquiry
12V LiFePO4 BMS 4s 200A 14.8V 18650 Battery BMS Packs PCB Protection Board Balance Integrated Circuits

12V LiFePO4 BMS 4s 200A 14.8V 18650 Battery BMS Packs PCB Protection Board Balance Integrated Circuits

US $ 106.9-119 / Piece FOB
1 Piece (MOQ)
More
Certification : RoHS, CE
Contact Supplier
Audited Supplier
Changsha Deligreen Power Co., Ltd.

Trading Company

Hunan, China Since 2019
Chat Now Send Inquiry
Wholesale 690V 630A AC Manual Service Device EV Circuit Protection IP69K Msd

Wholesale 690V 630A AC Manual Service Device EV Circuit Protection IP69K Msd

US $ 72-85 / Piece FOB
2 Pieces (MOQ)
More
Main Products: Vehicle-mounted charger (OBC); DCDC converter; PDU (Power Distribution Unit)
Contact Supplier
Audited Supplier
Hangzhou Keller New Energy Technology Co., Ltd.

Trading Company

Zhejiang, China Since 2025
Chat Now Send Inquiry
High Precision 7.4V PCM Protection Circuit Module for Security Interphone in China

High Precision 7.4V PCM Protection Circuit Module for Security Interphone in China

US $ 0.12-0.27 / Piece FOB
1 Piece (MOQ)
More
Material : Fiberglass Epoxy
Contact Supplier
Audited Supplier
Shenzhen Okey Circuit Co., Ltd.

Guangdong, China Since 2013
Chat Now Send Inquiry
SPD 40 Ka Easy to Maintain DC Circuit Protection

SPD 40 Ka Easy to Maintain DC Circuit Protection

US $ 4-18.6 / Piece FOB
200 Pieces (MOQ)
More
Main Products: Solar System, Isolation Switch, Isolator Switch, Electric Switch, Circuit Breaker, Surge Protection, MCCB, Distribution Box, Solar Products
Contact Supplier
Audited Supplier
Onccy Electrical Co., Ltd

Shanghai, China Since 2022
Chat Now Send Inquiry
HY2113-BB1A BATTERY PROTECTION INTEGRATED CIRCUIT

HY2113-BB1A BATTERY PROTECTION INTEGRATED CIRCUIT

US $ 0.072-15 / Piece FOB
100 Pieces (MOQ)
More
Technics : Thin Film IC
Contact Supplier
Audited Supplier
Shenzhen Semilotec Co., Ltd.

Guangdong, China Since 2018
Chat Now Send Inquiry
Related Searches
Dc Power Supply Circuit Multilayer Circuit Board Multilayer Circuit Wholesale Protection Circuit Circuit Over Current Protection Battery Protection Circuit
Circuit Breaker Transformer Switching Power Supply Solar Inverter Power Distribution Cabinet & Box Lithium Battery
Miniature Circuit Breaker Residual Current Circuit Breaker Molded Case Circuit Breaker Air Circuit Breaker Miniature Circuit Breaker With Residual Current Protection Isolator Switch
Protection Module Mico 4.10-9000-41034-0401000 Mikron Hpm 450u Electronic Circuit Protection 24V DC 4A

Protection Module Mico 4.10-9000-41034-0401000 Mikron Hpm 450u Electronic Circuit Protection 24V DC 4A

US $ 18-22 / sets FOB
5 sets (MOQ)
More
Main Products: Cold room; Condensing units; Refrigeration equipment; Evaporator; Compressor
Contact Supplier
Audited Supplier
Hangzhou Sino-Cold Sci-Tech Co., Ltd.

Trading Company

Zhejiang, China Since 2023
Chat Now Send Inquiry
in Stock Upc1237ha C1237ha TV Speaker Protection Module Audio Integrated Circuit

in Stock Upc1237ha C1237ha TV Speaker Protection Module Audio Integrated Circuit

US $ 0.26-0.3 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier
Shenzhen Jin Da Peng Technology Co., Ltd.

Trading Company

Guangdong, China Since 2016
Chat Now Send Inquiry
Factory Hot Sale 12V LiFePO4 BMS 4s 120A/150A 14.8V 18650 Battery BMS Packs Protection Board Balance Integrated Circuits

Factory Hot Sale 12V LiFePO4 BMS 4s 120A/150A 14.8V 18650 Battery BMS Packs Protection Board Balance Integrated Circuits

US $ 58.5-72.4 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lithium Battery, Battery Charger, Active Battery Equalizer, BMS, Evse Charging Connector, Evse Charger, Dcdc Converter
Contact Supplier
Audited Supplier
Changsha Deligreen Power Co., Ltd.

Trading Company

Hunan, China Since 2019
Chat Now Send Inquiry
Edge Mod-Ak4 4 Pack Modular Expandable Atc/ATO Inline Fuseholders, Adding Circuits with Jumpers to Create Any Power and Ground Distribution Block, 5A and 10A

Edge Mod-Ak4 4 Pack Modular Expandable Atc/ATO Inline Fuseholders, Adding Circuits with Jumpers to Create Any Power and Ground Distribution Block, 5A and 10A

500 Pieces (MOQ)
More
Usage : Electronic, Instrument, Machine Tool, Transport System, Computer System, Communication
Contact Supplier
Audited Supplier
Avs (Ningbo) Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
Chat Now Send Inquiry
Drive PCBA Circuit for Negative Pressure Fan

Drive PCBA Circuit for Negative Pressure Fan

US $ 11.6-12.2 / Piece FOB
3,000 Pieces (MOQ)
More
Main Products: Remote Control Kit
Contact Supplier
Audited Supplier
Guangdong Shunde Sankey Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2022
Chat Now Send Inquiry
Factory Hot Sale 24V LiFePO4 BMS 4s 15A to 60A 14.8V 18650 Battery BMS Packs Protection Board Balance Integrated Circuits

Factory Hot Sale 24V LiFePO4 BMS 4s 15A to 60A 14.8V 18650 Battery BMS Packs Protection Board Balance Integrated Circuits

US $ 6.3-31.4 / Piece FOB
1 Piece (MOQ)
More
Recyclable : Recyclable
Contact Supplier
Audited Supplier
Changsha Deligreen Power Co., Ltd.

Trading Company

Hunan, China Since 2019
Chat Now Send Inquiry
Switching Power Supply Adapter 100-240V 5V/2.4A 12W with Overcurrent/Short Circuit Protection

Switching Power Supply Adapter 100-240V 5V/2.4A 12W with Overcurrent/Short Circuit Protection

US $ 0.89-2.56 / Piece FOB
100 Pieces (MOQ)
More
Main Products: PCBA, Open Frame Switching Power Supply, SMPS, LED Converter, LED Inverter, DC-DC Power Supply, Power Adapter, Industrial Power Supply, Power Supply Unit, Power Supply Board
Contact Supplier
Audited Supplier
Shen Zhen Saqcn Innovation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Switching Power Supply Adapter 100-240V to 5V 1A 5W with Overcurrent/Short Circuit Protection

Switching Power Supply Adapter 100-240V to 5V 1A 5W with Overcurrent/Short Circuit Protection

US $ 0.89-2.56 / Piece FOB
100 Pieces (MOQ)
More
Layers : Multilayer
Contact Supplier
Audited Supplier
Shen Zhen Saqcn Innovation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Related Videos
  • What is Durable Gate Gate Featuring 850nm Light Source and Short Circuit Protection
    What is Durable Gate Gate Featuring 850nm Light Source and Short Circuit Protection
    US $ 10-11 /Set
    10 Sets (MOQ)
    Contact Supplier
  • What is Ultra-Thin Flexible Circuit Board with Coverlay Protection
    What is Ultra-Thin Flexible Circuit Board with Coverlay Protection
    US $ 2 /Piece
    2 Pieces (MOQ)
    Contact Supplier
  • What is Four-Circuit Protection Valve
    What is Four-Circuit Protection Valve
    US $ 6 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Lead Time 3-5 Days Lir1620 Reliable and No Circuit Protection Normal Temperatures: -20~60c
    What is Lead Time 3-5 Days Lir1620 Reliable and No Circuit Protection Normal Temperatures: -20~60c
    US $ 0.32 /Piece
    1,000 Pieces (MOQ)
    Contact Supplier
36V LiFePO4 BMS 12s 15A-60A 18650 Battery BMS Packs PCB Protection Board Balance Integrated Circuits

36V LiFePO4 BMS 12s 15A-60A 18650 Battery BMS Packs PCB Protection Board Balance Integrated Circuits

US $ 6.9-19.5 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lithium Battery, Battery Charger, Active Battery Equalizer, BMS, Evse Charging Connector, Evse Charger, Dcdc Converter
Contact Supplier
Audited Supplier
Changsha Deligreen Power Co., Ltd.

Trading Company

Hunan, China Since 2019
Chat Now Send Inquiry
Switching Power Supply Adapter AC90-264V 5V/2.4A 12W with Overcurrent/Short Circuit Protection

Switching Power Supply Adapter AC90-264V 5V/2.4A 12W with Overcurrent/Short Circuit Protection

US $ 0.89-2.56 / Piece FOB
100 Pieces (MOQ)
More
Certification : RoHS, ISO
Contact Supplier
Audited Supplier
Shen Zhen Saqcn Innovation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Best Selling 48V LiFePO4 BMS 12s 40A to 50A 18650 Battery BMS Packs Protection Board Balance Integrated Circuits for Scooter E-Bike

Best Selling 48V LiFePO4 BMS 12s 40A to 50A 18650 Battery BMS Packs Protection Board Balance Integrated Circuits for Scooter E-Bike

US $ 12.9-17.2 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lithium Battery, Battery Charger, Active Battery Equalizer, BMS, Evse Charging Connector, Evse Charger, Dcdc Converter
Contact Supplier
Audited Supplier
Changsha Deligreen Power Co., Ltd.

Trading Company

Hunan, China Since 2019
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

About Protection Circuit FAQ

  • QWhat benefits can we gain from sourcing circuit breakers wholesale?

    The Protection Circuit is a top choice in our Circuit Breaker collection.Sourcing circuit breakers wholesale provides cost advantages through bulk pricing. Additionally, purchasing in wholesale quantities ensures consistent quality and timely inventory replenishment. Some suppliers may also offer customization options and favorable terms for long-term partnerships.

  • QWhat are the main types of circuit breakers commonly available for purchase?

    Upgrade your Circuit Breaker with the elegant and durable Protection Circuit.Various types of circuit breakers are available, such as air circuit breakers, miniature circuit breakers, and molded case circuit breakers. Each type serves different functions and operates at different voltage levels. Understanding your specific requirements will help you choose the suitable circuit breaker.

  • QHow can I find a reliable supplier for circuit breakers in China?

    The Protection Circuit is a top choice in our Circuit Breaker collection.To locate a reliable supplier in China, utilize industry websites, attend trade exhibitions, and seek referrals from industry experts. Verifying the supplier's credentials, requesting product samples, and assessing customer reviews are essential steps in ensuring product quality and service reliability.

Switching Power Supply Adapter 90-264V to 5V 1A 5W with Overcurrent/Short Circuit Protection

Switching Power Supply Adapter 90-264V to 5V 1A 5W with Overcurrent/Short Circuit Protection

US $ 0.89-2.56 / Piece FOB
100 Pieces (MOQ)
More
Mode of Production : SMT
Contact Supplier
Audited Supplier
Shen Zhen Saqcn Innovation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Factory Hot Sale 36V LiFePO4 BMS 12s 15A to 60A 18650 Battery BMS Packs Protection Board Balance Integrated Circuits

Factory Hot Sale 36V LiFePO4 BMS 12s 15A to 60A 18650 Battery BMS Packs Protection Board Balance Integrated Circuits

US $ 6.9-19.5 / Piece FOB
1 Piece (MOQ)
More
Main Products: Lithium Battery, Battery Charger, Active Battery Equalizer, BMS, Evse Charging Connector, Evse Charger, Dcdc Converter
Contact Supplier
Audited Supplier
Changsha Deligreen Power Co., Ltd.

Trading Company

Hunan, China Since 2019
Chat Now Send Inquiry
High Surge Capacity SBD10C100F Schottky Doide Transistor protection circuit

High Surge Capacity SBD10C100F Schottky Doide Transistor protection circuit

US $ 0.03-0.15 / Piece FOB
2,000 Pieces (MOQ)
More
Integration : LSI
Contact Supplier
Audited Supplier
CTC Technology Co., Ltd.

Guangdong, China Since 2020
Chat Now Send Inquiry
Battery Protection Circuit 2s PCM 3A for Li-ion/LiFePO4 Battery Packs

Battery Protection Circuit 2s PCM 3A for Li-ion/LiFePO4 Battery Packs

US $ 0.3-0.5 / Piece FOB
5 Pieces (MOQ)
More
Main Products: Battery Management System, BMS, High Voltage Battery Management System, Lithium Battery Pack, UAV Battery Pack, LiFePO4 Battery Pack
Contact Supplier
Audited Supplier
Shenzhen Li-ion Battery Bodyguard Technology Co., Limited

Manufacturer/Factory & Trading Company

Guangdong, China Since 2019
Chat Now Send Inquiry
Switching Power Supply Adapter 100-240V 24W with Overcurrent/Short Circuit Protection

Switching Power Supply Adapter 100-240V 24W with Overcurrent/Short Circuit Protection

US $ 0.89-2.56 / Piece FOB
100 Pieces (MOQ)
More
Certification : RoHS, ISO
Contact Supplier
Audited Supplier
Shen Zhen Saqcn Innovation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Tda2030 Tda2030A Linear Audio Amplifier Short-Circuit and Thermal Protection IC 14W Hi-Fi Audio Amplifier

Tda2030 Tda2030A Linear Audio Amplifier Short-Circuit and Thermal Protection IC 14W Hi-Fi Audio Amplifier

US $ 0.1-10 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Crystal Oscillator, Crystal Resonator, Turing Fork Crystal, Tcxo, Vctcxo, Ceramic Resontor, Saw Component, Crystal Filter
Contact Supplier
Audited Supplier
Chip Sun Technology Co., Ltd.

Guangdong, China Since 2022
Chat Now Send Inquiry
Switching Power Supply Adapter 100-240V 5V/1A with Overcurrent/Short Circuit Protection

Switching Power Supply Adapter 100-240V 5V/1A with Overcurrent/Short Circuit Protection

US $ 0.89-2.56 / Piece FOB
100 Pieces (MOQ)
More
Layers : Multilayer
Contact Supplier
Audited Supplier
Shen Zhen Saqcn Innovation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Switching Power Supply Adapter 100-240V 5V 1A 36W with Overcurrent/Short Circuit Protection

Switching Power Supply Adapter 100-240V 5V 1A 36W with Overcurrent/Short Circuit Protection

US $ 0.89-2.56 / Piece FOB
100 Pieces (MOQ)
More
Main Products: PCBA, Open Frame Switching Power Supply, SMPS, LED Converter, LED Inverter, DC-DC Power Supply, Power Adapter, Industrial Power Supply, Power Supply Unit, Power Supply Board
Contact Supplier
Audited Supplier
Shen Zhen Saqcn Innovation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
High Quality Single Phase Solid State High Voltage Relay Miniature Plastic Shell Switch General Purpose Circuit Protection

High Quality Single Phase Solid State High Voltage Relay Miniature Plastic Shell Switch General Purpose Circuit Protection

US $ 2.9-6.9 / Piece FOB
1 Piece (MOQ)
More
Application : Power Electronic Components, Temperature Measurement
Contact Supplier
Zhenjiang Zhendi Electric Technology Co., Ltd

Jiangsu, China Since 2025
Chat Now Send Inquiry
3s 11.1V 7A Li-ion/LiFePO4/Lithium/Nmc Battery Management System Battery Protection Circuit

3s 11.1V 7A Li-ion/LiFePO4/Lithium/Nmc Battery Management System Battery Protection Circuit

US $ 5-20 / Piece FOB
1 Piece (MOQ)
More
Main Products: Battery Manage System, Protection Circuit Module, Home Solar Storage Batteries, Customized Lithium Batteries, Customized Li-ion Battery Pack, LiFePO4 Battery Pack, Battery BMS, Golf Cart Battery
Contact Supplier
Audited Supplier
SHENZHEN SMARTEC TECHNOLOGY CO., LTD.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2016
Chat Now Send Inquiry
0168 Motor Controller and Protector: Comprehensive Protection Against Overload, Short Circuit, and Phase Loss MPCB

0168 Motor Controller and Protector: Comprehensive Protection Against Overload, Short Circuit, and Phase Loss MPCB

US $ 22-30 / Piece FOB
5 Pieces (MOQ)
Contact Supplier
Audited Supplier
Mingri Electric Co., Ltd.

Zhejiang, China Since 2025
Chat Now Send Inquiry
AC Surge Protector 1p+N SPD 20ka Circuit Protection

AC Surge Protector 1p+N SPD 20ka Circuit Protection

US $ 3.45-45 / Piece FOB
1 Piece (MOQ)
More
Main Products: Circuit Breaker, DC Isolator, DC Disconnector, AC Isolation Switch, Rapid Shut-Down Switch, EV Charger, DC Surge Protective Device PV, Firefighter Safety Switch, Combiner Box, Smart Meter
Contact Supplier
Audited Supplier
Aswich Electrical Co., Ltd.

Trading Company

Shanghai, China Since 2022
Chat Now Send Inquiry
Lithium Battery Protection Circuit 3s 7A PCM

Lithium Battery Protection Circuit 3s 7A PCM

US $ 1.5-1.7 / Piece FOB
5 Pieces (MOQ)
Contact Supplier
Audited Supplier
Shenzhen Li-ion Battery Bodyguard Technology Co., Limited

Manufacturer/Factory & Trading Company

Guangdong, China Since 2019
Chat Now Send Inquiry
View More

Related Searches

Protection Circuit Board Protection Circuit Mode Flexible Printed Circuit Board Circuit Tester Finger Protection Miniature Circuit Knee Protection Moulded Case Circuit Motor Motor Protection

You may also like

Printed Circuit Board Protection Set Protection Product Electronic Protection Protection Items Control Protection

Browse by Categories

Home > Electrical & Electronics > Breaker & Protector > Circuit Breaker > Miniature Circuit Breaker
1/834
TOP

Search Filter

Categories

More Less
  • Circuit Breaker
  • Transformer
  • Switching Power Supply
  • Solar Inverter
  • Power Distribution Cabinet & Box
  • Lithium Battery
  • Power Adapter
  • Solar Energy System
  • Switchgear
  • Variable-Frequency Drive

Combination Mode

More Less
  • Adhesive Flexible Plate
  • Without Adhesive Flexible Plate

Conductive Adhesive

More Less
  • Conductive Silver Paste

Insulation Materials

More Less
  • Organic Resin
  • Metal Composite Materials

Material

More Less
  • Polyimide
  • Polyester Film

Processing Technology

More Less
  • Electrolytic Foil

Company Type

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

Company Location

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