English
全部
搜索
图片
视频
地图
资讯
更多
购物
航班
旅游
笔记本
报告不当内容
请选择下列任一选项。
无关
低俗内容
成人
儿童性侵犯
时长
全部
短(小于 5 分钟)
中(5-20 分钟)
长(大于 20 分钟)
日期
全部
过去 24 小时
过去一周
过去一个月
去年
清晰度
全部
低于 360p
360p 或更高
480p 或更高
720p 或更高
1080p 或更高
源
全部
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
价格
全部
免费
付费
清除筛选条件
安全搜索:
中等
严格
中等（默认）
关闭
筛选器
购买 digital relay
广告
$114.14
$139.83
BEP 710-140A Digital Voltage Sensing Relay (DVSR) 12/24V
Amazon.com
64
Free shipping
折扣 18%
$114.14
$139.83
BEP 710-140A Digital Voltage Sensing Relay (DVSR) 12/24V
Amazon.com
64
$13.99
$14.99
Baomain THC15A DC/AC 12V Digital LCD Power Programmable Timer Switch Relay 16A Amp
Amazon.com
210
$13.99
$14.99
Baomain THC15A DC/AC 12V Digital LCD Power Programmable Timer Switch Relay 16A Amp
Amazon.com
210
$193.00
Allen-Bradley 1492-XIM4024-16R Relay Digital IFM, 40-Pin, Ser. A
PLCHardware.com
$193.00
Allen-Bradley 1492-XIM4024-16R Relay Digital IFM, 40-Pin, Ser. A
PLCHardware.com
$36.99
Shelly Wave 1PM US LR UL | Z-Wave Long Range Smart Switch Relay, 1-Channel 15 A With Power Metering | Home Automation | High Compatibility | Easy
Amazon.com
3
Free shipping
$36.99
Shelly Wave 1PM US LR UL | Z-Wave Long Range Smart Switch Relay, 1-Channel 15 A With Power Metering | Home Automation | High Compatibility | Easy
Amazon.com
3
$79.00
EX-9060D Relay 4 Output And 4 Digital Input Module W/LED
Saelig Company Inc
$79.00
EX-9060D Relay 4 Output And 4 Digital Input Module W/LED
Saelig Company Inc
$145.00
Siemens/TI 505-4908 SIMATIC TI505 Digital Output, 8-Point, Relay
PLCHardware.com
$145.00
Siemens/TI 505-4908 SIMATIC TI505 Digital Output, 8-Point, Relay
PLCHardware.com
$310.00
Siemens/TI 505-5518 SIMATIC TI505 Digital Output, 16-Point Relay
PLCHardware.com
$310.00
Siemens/TI 505-5518 SIMATIC TI505 Digital Output, 16-Point Relay
PLCHardware.com
$246.00
Siemens 3UG4615-1CR20 SIRIUS Digital Monitoring Relay For 3PH
PLCHardware.com
$246.00
Siemens 3UG4615-1CR20 SIRIUS Digital Monitoring Relay For 3PH
PLCHardware.com
$299.00
ABB | DO820 | Digital Output Relay Module - N.O. |
Classic Automation
$299.00
ABB | DO820 | Digital Output Relay Module - N.O. |
Classic Automation
$27.49
Shelly 1PM Gen3 | Wifi Smart Relay Switch With Power Metering, 1-Channel 16A | Home Automation | Compatible With Alexa & Google Home | Ios Android App
Amazon.com
108
$27.49
Shelly 1PM Gen3 | Wifi Smart Relay Switch With Power Metering, 1-Channel 16A | Home Automation | Compatible With Alexa & Google Home | Ios Android App
Amazon.com
108
$26.99
Multifunction Time Relay, 16A Delay ON Off GRT8-M1 AC DC 12-240V With 10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays Of Wide
Amazon.com
34
$26.99
Multifunction Time Relay, 16A Delay ON Off GRT8-M1 AC DC 12-240V With 10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays Of Wide
Amazon.com
34
$17.99
DROK Timer Relay 2Pcs, DC 6V-30V LCD Display Time Delay Relay Cycle Timer 0.01S-9999Mins With Input 5V Micro USB Port
Amazon.com
3
$17.99
DROK Timer Relay 2Pcs, DC 6V-30V LCD Display Time Delay Relay Cycle Timer 0.01S-9999Mins With Input 5V Micro USB Port
Amazon.com
3
$54.49
Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
1 千+
Free shipping
$54.49
Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
1 千+
$28.99
Shelly Plus 2PM UL | Wifi 2 Channels Smart Relay Switch With Power Metering | Home Automation | Alexa & Google Home Compatibility | Ios Android App |
Amazon.com
29
$28.99
Shelly Plus 2PM UL | Wifi 2 Channels Smart Relay Switch With Power Metering | Home Automation | Alexa & Google Home Compatibility | Ios Android App |
Amazon.com
29
$422.91
Wattstopper LMRC-212 Digital Dual Relay Room Controller, 2 Relay, On/Off/ 0-10V Dimming
Electric Bargain Store
$422.91
Wattstopper LMRC-212 Digital Dual Relay Room Controller, 2 Relay, On/Off/ 0-10V Dimming
Electric Bargain Store
$26.99
GEYA Asymmetric Cycle Time Relay 1SPDT 16A AC/DC12V-240V Cycler Repeat Timer Delay Relay Din Rail Modular(GRT8-S1,AC/DC12V-240V)
Amazon.com
13
$26.99
GEYA Asymmetric Cycle Time Relay 1SPDT 16A AC/DC12V-240V Cycler Repeat Timer Delay Relay Din Rail Modular(GRT8-S1,AC/DC12V-240V)
Amazon.com
13
$172.30
IDEC FL1F-H12SCD PLC's And Smart Relays
Wolf Automation - Production
$172.30
IDEC FL1F-H12SCD PLC's And Smart Relays
Wolf Automation - Production
$146.00
1Pc- Omron H3de-M2 Programmable (Multi-Function) Time Delay Relay
eBay
$146.00
1Pc- Omron H3de-M2 Programmable (Multi-Function) Time Delay Relay
eBay
$25.99
Meskliu 12V Remote Control Switch,DC 12V/24V/48V/72V/40A Relay,984FT(300M) Long Range Wireless RF ON/Off Switch For Anti-Theft Alarms,Lighting,Golf,
Amazon.com
9
$25.99
Meskliu 12V Remote Control Switch,DC 12V/24V/48V/72V/40A Relay,984FT(300M) Long Range Wireless RF ON/Off Switch For Anti-Theft Alarms,Lighting,Golf,
Amazon.com
9
$312.18
IDEC FL1F-RD1 PLC's And Smart Relays
Wolf Automation - Production
$312.18
IDEC FL1F-RD1 PLC's And Smart Relays
Wolf Automation - Production
$190.71
IDEC FL1F-B12RCC PLC's And Smart Relays
Wolf Automation - Production
$190.71
IDEC FL1F-B12RCC PLC's And Smart Relays
Wolf Automation - Production
$230.84
IDEC FL1F-H12RCE PLC's And Smart Relays
Wolf Automation - Production
$230.84
IDEC FL1F-H12RCE PLC's And Smart Relays
Wolf Automation - Production
$28.49
Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
165
$28.49
Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
165
$191.28
IDEC FL1F-B12RCA PLC's And Smart Relays
Wolf Automation - Production
$191.28
IDEC FL1F-B12RCA PLC's And Smart Relays
Wolf Automation - Production
$25.99
GAEYAELE 16A Multifunction Time Relay With 10 Function Choices AC/DC12V-240V Relay(GRT8-M1,AC/DC12V-240V)
Amazon.com
221
$25.99
GAEYAELE 16A Multifunction Time Relay With 10 Function Choices AC/DC12V-240V Relay(GRT8-M1,AC/DC12V-240V)
Amazon.com
221
$145.09
IDEC FL1F-J2B2 PLC's And Smart Relays
Wolf Automation - Production
$145.09
IDEC FL1F-J2B2 PLC's And Smart Relays
Wolf Automation - Production
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$639.73
Weg SRW01-UCDT1E47 PLC's And Smart Relays
Wolf Automation - Production
$639.73
Weg SRW01-UCDT1E47 PLC's And Smart Relays
Wolf Automation - Production
1:22:54
How To Use Smart Relays - 101 (Featuring The NEW Aqara Relay
…
已浏览 13.7万 次
2023年10月10日
YouTube
Automate Your Life
Digital Relay | S. Janaka | HIMT
已浏览 2305 次
2022年9月24日
YouTube
HIMT
7:26
How Interposing relay used in Digital Output Wiring of DCS/PLC
…
已浏览 9698 次
2023年5月10日
YouTube
Electrical And automation
27:25
Lec-01: Introduction to Digital Relays-I
已浏览 1.5万 次
2022年1月6日
YouTube
IIT Roorkee July 2018
Driving a Relay With an Arduino
已浏览 8.4万 次
2020年9月30日
instructables.com
21:57
Arduino Power - IoT Power Relay (Digital Loggers Inc/DLI)
已浏览 7970 次
2020年5月4日
YouTube
Eli the Computer Guy
8:43
Using smart relays in your home
已浏览 23万 次
2022年10月12日
YouTube
Home Automation Guy
5:41
How to connect to a relay to use PCM600 and find its information?
已浏览 10.3万 次
2020年4月15日
YouTube
ABB Learning
5:02
What is Relay? | How to control Relay using Arduino
已浏览 10.9万 次
2021年5月1日
YouTube
hash include electronics
27:05
Lec-03: Components of Digital Relays
已浏览 9625 次
2022年1月6日
YouTube
IIT Roorkee July 2018
The Essentials Of Numerical Relays, Their Features And Important Con
…
2018年2月7日
electrical-engineering-portal.com
11:36
HOW TO USE RELAY MODULE WITH ARDUINO | 4 RELAY MODU
…
已浏览 1.7万 次
2022年9月11日
YouTube
Project Weekend
1:48
Arduino Relay Control: A Beginner's Guide to Controlling Machines
已浏览 1.6万 次
2023年2月24日
YouTube
Circuit Digest
lesson 1: digital relay power system protection introduction
已浏览 1万 次
2017年7月15日
YouTube
International Engineering Training
7:19
Arduino relay basics - how it works and how to use it
已浏览 1.8万 次
2021年11月10日
YouTube
Taste The Code
4:41
How to use an Arduino Relay Module
已浏览 17.3万 次
2018年2月4日
YouTube
Tinker & Build
1:53
The IoT Relay - DIY Power Control
已浏览 1.2万 次
2015年4月28日
YouTube
DigitalLoggers
3:48
What is a Relay & How it Works
已浏览 2.2万 次
2018年2月6日
YouTube
RSP Supply
10:46
How a Relay Works ⚡ What is a Relay
已浏览 3.9万 次
2022年10月6日
YouTube
VirtualBrain [ENG]
lesson 3 :digital relay protection with C T and V T
已浏览 6653 次
2017年7月15日
YouTube
International Engineering Training
58:44
Protective Relay Basics - Part 2: Coordination and Digital Multifunc
…
已浏览 4710 次
2022年7月15日
YouTube
Bentley EasyPower Software
2:23
How the SEL 21 Relay Revolutionized Electric Power
已浏览 4842 次
2019年4月8日
YouTube
Schweitzer Engineering Laboratories (SEL)
0:47
What is a relay how it works
已浏览 1603 次
2023年5月8日
YouTube
SG Automation
12:30
How to use relay with Arduino to control AC or DC load with bare re
…
已浏览 8.9万 次
2018年10月13日
YouTube
Robojax
22:48
Everything you need to know about RELAYS
已浏览 10.4万 次
2017年12月10日
YouTube
Playful Technology
17:33
How to use 4 channel Relay to control AC load with Arduino cod
…
已浏览 18.1万 次
2018年3月27日
YouTube
Robojax
4:00
Key basics related to Relay : Relay working explained
已浏览 1713 次
2023年2月20日
YouTube
Calibration Academy
9:29
Relay Platform Overview
已浏览 1557 次
2024年12月4日
YouTube
Relay
6:09
What is a Relay System ?
已浏览 16.4万 次
2018年5月14日
YouTube
RealPars
7:23
How to use 5V Relay with Arduino to turn ON and OFF AC bulb or DC lo
…
已浏览 58.2万 次
2017年12月26日
YouTube
Robojax
观看更多视频
更多类似内容
购买 digital relay
广告
$17.99
DROK Timer Relay 2Pcs, DC 6V-30V LCD Display Time Delay Relay Cycle Timer 0.01S-9999Mins With Input 5V Micro USB Port
Amazon.com
3
$17.99
DROK Timer Relay 2Pcs, DC 6V-30V LCD Display Time Delay Relay Cycle Timer 0.01S-9999Mins With Input 5V Micro USB Port
Amazon.com
$54.49
Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
1 千+
Free shipping
$54.49
Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
$28.99
Shelly Plus 2PM UL | Wifi 2 Channels Smart Relay Switch With Power Metering | Home Automation | Alexa & Google Home Compatibility | Ios Android App |
Amazon.com
29
$28.99
Shelly Plus 2PM UL | Wifi 2 Channels Smart Relay Switch With Power Metering | Home Automation | Alexa & Google Home Compatibility | Ios Android App |
Amazon.com
$422.91
Wattstopper LMRC-212 Digital Dual Relay Room Controller, 2 Relay, On/Off/ 0-10V Dimming
Electric Bargain Store
$422.91
Wattstopper LMRC-212 Digital Dual Relay Room Controller, 2 Relay, On/Off/ 0-10V Dimming
Electric Bargain Store
$26.99
GEYA Asymmetric Cycle Time Relay 1SPDT 16A AC/DC12V-240V Cycler Repeat Timer Delay Relay Din Rail Modular(GRT8-S1,AC/DC12V-240V)
Amazon.com
13
$26.99
GEYA Asymmetric Cycle Time Relay 1SPDT 16A AC/DC12V-240V Cycler Repeat Timer Delay Relay Din Rail Modular(GRT8-S1,AC/DC12V-240V)
Amazon.com
$172.30
IDEC FL1F-H12SCD PLC's And Smart Relays
Wolf Automation - Production
$172.30
IDEC FL1F-H12SCD PLC's And Smart Relays
Wolf Automation - Production
$146.00
1Pc- Omron H3de-M2 Programmable (Multi-Function) Time Delay Relay
eBay
$146.00
1Pc- Omron H3de-M2 Programmable (Multi-Function) Time Delay Relay
eBay
$25.99
Meskliu 12V Remote Control Switch,DC 12V/24V/48V/72V/40A Relay,984FT(300M) Long Range Wireless RF ON/Off Switch For Anti-Theft Alarms,Lighting,Golf,
Amazon.com
9
$25.99
Meskliu 12V Remote Control Switch,DC 12V/24V/48V/72V/40A Relay,984FT(300M) Long Range Wireless RF ON/Off Switch For Anti-Theft Alarms,Lighting,Golf,
Amazon.com
$312.18
IDEC FL1F-RD1 PLC's And Smart Relays
Wolf Automation - Production
$312.18
IDEC FL1F-RD1 PLC's And Smart Relays
Wolf Automation - Production
$190.71
IDEC FL1F-B12RCC PLC's And Smart Relays
Wolf Automation - Production
$190.71
IDEC FL1F-B12RCC PLC's And Smart Relays
Wolf Automation - Production
$230.84
IDEC FL1F-H12RCE PLC's And Smart Relays
Wolf Automation - Production
$230.84
IDEC FL1F-H12RCE PLC's And Smart Relays
Wolf Automation - Production
$28.49
Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
165
$28.49
Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
$191.28
IDEC FL1F-B12RCA PLC's And Smart Relays
Wolf Automation - Production
$191.28
IDEC FL1F-B12RCA PLC's And Smart Relays
Wolf Automation - Production
$25.99
GAEYAELE 16A Multifunction Time Relay With 10 Function Choices AC/DC12V-240V Relay(GRT8-M1,AC/DC12V-240V)
Amazon.com
221
$25.99
GAEYAELE 16A Multifunction Time Relay With 10 Function Choices AC/DC12V-240V Relay(GRT8-M1,AC/DC12V-240V)
Amazon.com
$145.09
IDEC FL1F-J2B2 PLC's And Smart Relays
Wolf Automation - Production
$145.09
IDEC FL1F-J2B2 PLC's And Smart Relays
Wolf Automation - Production
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
$639.73
Weg SRW01-UCDT1E47 PLC's And Smart Relays
Wolf Automation - Production
$639.73
Weg SRW01-UCDT1E47 PLC's And Smart Relays
Wolf Automation - Production
购买 digital relay
广告
$114.14
$139.83
BEP 710-140A Digital Voltage Sensing Relay (DVSR) 12/24V
Amazon.com
64
Free shipping
折扣 18%
$114.14
$139.83
BEP 710-140A Digital Voltage Sensing Relay (DVSR) 12/24V
Amazon.com
64
$13.99
$14.99
Baomain THC15A DC/AC 12V Digital LCD Power Programmable Timer Switch Relay 16A Amp
Amazon.com
210
$13.99
$14.99
Baomain THC15A DC/AC 12V Digital LCD Power Programmable Timer Switch Relay 16A Amp
Amazon.com
210
$193.00
Allen-Bradley 1492-XIM4024-16R Relay Digital IFM, 40-Pin, Ser. A
PLCHardware.com
$193.00
Allen-Bradley 1492-XIM4024-16R Relay Digital IFM, 40-Pin, Ser. A
PLCHardware.com
$36.99
Shelly Wave 1PM US LR UL | Z-Wave Long Range Smart Switch Relay, 1-Channel 15 A With Power Metering | Home Automation | High Compatibility | Easy
Amazon.com
3
Free shipping
$36.99
Shelly Wave 1PM US LR UL | Z-Wave Long Range Smart Switch Relay, 1-Channel 15 A With Power Metering | Home Automation | High Compatibility | Easy
Amazon.com
3
$79.00
EX-9060D Relay 4 Output And 4 Digital Input Module W/LED
Saelig Company Inc
$79.00
EX-9060D Relay 4 Output And 4 Digital Input Module W/LED
Saelig Company Inc
$145.00
Siemens/TI 505-4908 SIMATIC TI505 Digital Output, 8-Point, Relay
PLCHardware.com
$145.00
Siemens/TI 505-4908 SIMATIC TI505 Digital Output, 8-Point, Relay
PLCHardware.com
$310.00
Siemens/TI 505-5518 SIMATIC TI505 Digital Output, 16-Point Relay
PLCHardware.com
$310.00
Siemens/TI 505-5518 SIMATIC TI505 Digital Output, 16-Point Relay
PLCHardware.com
$246.00
Siemens 3UG4615-1CR20 SIRIUS Digital Monitoring Relay For 3PH
PLCHardware.com
$246.00
Siemens 3UG4615-1CR20 SIRIUS Digital Monitoring Relay For 3PH
PLCHardware.com
$299.00
ABB | DO820 | Digital Output Relay Module - N.O. |
Classic Automation
$299.00
ABB | DO820 | Digital Output Relay Module - N.O. |
Classic Automation
$27.49
Shelly 1PM Gen3 | Wifi Smart Relay Switch With Power Metering, 1-Channel 16A | Home Automation | Compatible With Alexa & Google Home | Ios Android App
Amazon.com
108
$27.49
Shelly 1PM Gen3 | Wifi Smart Relay Switch With Power Metering, 1-Channel 16A | Home Automation | Compatible With Alexa & Google Home | Ios Android App
Amazon.com
108
$26.99
Multifunction Time Relay, 16A Delay ON Off GRT8-M1 AC DC 12-240V With 10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays Of Wide
Amazon.com
34
$26.99
Multifunction Time Relay, 16A Delay ON Off GRT8-M1 AC DC 12-240V With 10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays Of Wide
Amazon.com
34
$17.99
DROK Timer Relay 2Pcs, DC 6V-30V LCD Display Time Delay Relay Cycle Timer 0.01S-9999Mins With Input 5V Micro USB Port
Amazon.com
3
$17.99
DROK Timer Relay 2Pcs, DC 6V-30V LCD Display Time Delay Relay Cycle Timer 0.01S-9999Mins With Input 5V Micro USB Port
Amazon.com
3
$54.49
Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
1 千+
Free shipping
$54.49
Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
1 千+
$28.99
Shelly Plus 2PM UL | Wifi 2 Channels Smart Relay Switch With Power Metering | Home Automation | Alexa & Google Home Compatibility | Ios Android App |
Amazon.com
29
$28.99
Shelly Plus 2PM UL | Wifi 2 Channels Smart Relay Switch With Power Metering | Home Automation | Alexa & Google Home Compatibility | Ios Android App |
Amazon.com
29
$422.91
Wattstopper LMRC-212 Digital Dual Relay Room Controller, 2 Relay, On/Off/ 0-10V Dimming
Electric Bargain Store
$422.91
Wattstopper LMRC-212 Digital Dual Relay Room Controller, 2 Relay, On/Off/ 0-10V Dimming
Electric Bargain Store
$26.99
GEYA Asymmetric Cycle Time Relay 1SPDT 16A AC/DC12V-240V Cycler Repeat Timer Delay Relay Din Rail Modular(GRT8-S1,AC/DC12V-240V)
Amazon.com
13
$26.99
GEYA Asymmetric Cycle Time Relay 1SPDT 16A AC/DC12V-240V Cycler Repeat Timer Delay Relay Din Rail Modular(GRT8-S1,AC/DC12V-240V)
Amazon.com
13
$172.30
IDEC FL1F-H12SCD PLC's And Smart Relays
Wolf Automation - Production
$172.30
IDEC FL1F-H12SCD PLC's And Smart Relays
Wolf Automation - Production
$146.00
1Pc- Omron H3de-M2 Programmable (Multi-Function) Time Delay Relay
eBay
$146.00
1Pc- Omron H3de-M2 Programmable (Multi-Function) Time Delay Relay
eBay
反馈
反馈