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Prodotto Ricercato: power failure alarm

42 Offerte
Phase Failure Detec…
Phase Failure Detector Switch, 220V/380V Ac Power Outage Alarm Relay, Fast Audible Warning For Industrial Distribution Box
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Phase Failure Detector Switch, 220V/380V AC Power Outage Alarm Relay, Fast Audible Warning for Indu…

A partire da

6,99 $ 10,76 $
Vedi Offerta

Disponibilità

Phase Failure Detec…

Discount 35%

-35%

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Phase Failure Detector Switch, 220V/380V Ac Power Outage Alarm Relay, Fast Audible Warning For Industrial Distribution Box

Phase Failure Detector Switch, 220V/380V AC Power Outage Alarm Relay, Fast Audible Warning for Indu…

A partire da

6,99 $ 10,76 $
Vedi Offerta
New ETCR8700 Leakag…
New ETCR8700 Leakage Current Remote Online Tester Power Failure Alarm Monitor Gprs Wireless RS485 Communication Modes Ac 60.00A
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New ETCR8700 Leakage Current Remote Online Tester Power Failure Alarm Monitor GPRS Wireless RS485 C…

A partire da

337,95 $ 512,04 $
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Disponibilità

New ETCR8700 Leakag…

Discount 34%

-34%

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New ETCR8700 Leakage Current Remote Online Tester Power Failure Alarm Monitor Gprs Wireless RS485 Communication Modes Ac 60.00A

New ETCR8700 Leakage Current Remote Online Tester Power Failure Alarm Monitor GPRS Wireless RS485 C…

A partire da

337,95 $ 512,04 $
Vedi Offerta
16A Sms Smart Socke…
16A Sms Smart Socket Can Be Controlled Off/On By Mobile App Power Supply SC4-GSM 4G 4CH Port Optional Power Failure Alarm
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16A SMS Smart Socket Can Be Controlled OFF/ON By Mobile APP Power Supply SC4-GSM 4G 4CH Port Option…

A partire da

75,28 $ 96,51 $
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Disponibilità

16A Sms Smart Socke…

Discount 22%

-22%

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16A Sms Smart Socket Can Be Controlled Off/On By Mobile App Power Supply SC4-GSM 4G 4CH Port Optional Power Failure Alarm

16A SMS Smart Socket Can Be Controlled OFF/ON By Mobile APP Power Supply SC4-GSM 4G 4CH Port Option…

A partire da

75,28 $ 96,51 $
Vedi Offerta
Unit Water Shortage…
Unit Water Shortage And Power Failure Buzzer Alarm CQ-QS220-02 Single-Level Water Shortage Protector CQ-QS380-1
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Unit Water Shortage and Power Failure Buzzer Alarm CQ-QS220-02 Single-Level Water Shortage Protecto…

A partire da

41,51 $ 46,12 $
Vedi Offerta

Disponibilità

Unit Water Shortage…

Discount 10%

-10%

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Unit Water Shortage And Power Failure Buzzer Alarm CQ-QS220-02 Single-Level Water Shortage Protector CQ-QS380-1

Unit Water Shortage and Power Failure Buzzer Alarm CQ-QS220-02 Single-Level Water Shortage Protecto…

A partire da

41,51 $ 46,12 $
Vedi Offerta
DL1-WLTE-TVC Smart …
DL1-WLTE-TVC Smart 4G Lte Controller 30A Big Power Relay Switch For Motor On/Off Dial Sms Web App Control Power Failure Alarm
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DL1-WLTE-TVC Smart 4G LTE Controller 30A Big Power Relay Switch For Motor ON/OFF Dial SMS WEB APP C…

A partire da

54,24 $ 56,50 $
Vedi Offerta

Disponibilità

DL1-WLTE-TVC Smart …

Discount 4%

-4%

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DL1-WLTE-TVC Smart 4G Lte Controller 30A Big Power Relay Switch For Motor On/Off Dial Sms Web App Control Power Failure Alarm

DL1-WLTE-TVC Smart 4G LTE Controller 30A Big Power Relay Switch For Motor ON/OFF Dial SMS WEB APP C…

A partire da

54,24 $ 56,50 $
Vedi Offerta
DL2-WLTE-TVC Smart …
DL2-WLTE-TVC Smart 4G Lte Controller 30A Big Power Relay Switch For Motor On/Off Dial Sms Web App Control Power Failure Alarm
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DL2-WLTE-TVC Smart 4G LTE Controller 30A Big Power Relay Switch for Motor ON/OFF Dial SMS WEB APP C…

A partire da

63,08 $ 131,42 $
Vedi Offerta

Disponibilità

DL2-WLTE-TVC Smart …

Discount 52%

-52%

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DL2-WLTE-TVC Smart 4G Lte Controller 30A Big Power Relay Switch For Motor On/Off Dial Sms Web App Control Power Failure Alarm

DL2-WLTE-TVC Smart 4G LTE Controller 30A Big Power Relay Switch for Motor ON/OFF Dial SMS WEB APP C…

A partire da

63,08 $ 131,42 $
Vedi Offerta
New Ac Power Failur…
New Ac Power Failure Alarm 220V/380V, 3-Phase/Single-Phase Monitoring, Din35Mm Rail Mount Relay Dry Contact Output
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New AC Power Failure Alarm 220V/380V, 3-Phase/Single-Phase Monitoring, Din35mm Rail Mount Relay Dry…

A partire da

14,70 $ 28,26 $
Vedi Offerta

Disponibilità

New Ac Power Failur…

Discount 48%

-48%

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New Ac Power Failure Alarm 220V/380V, 3-Phase/Single-Phase Monitoring, Din35Mm Rail Mount Relay Dry Contact Output

New AC Power Failure Alarm 220V/380V, 3-Phase/Single-Phase Monitoring, Din35mm Rail Mount Relay Dry…

A partire da

14,70 $ 28,26 $
Vedi Offerta
Ac Power Failure Al…
Ac Power Failure Alarm 220V/380V · 3-Phase & Single-Phase Monitoring · Relay Dry Contact Output (Nc/Com/No) · Din35Mm Rail
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AC Power Failure Alarm 220V/380V · 3-Phase & Single-Phase Monitoring · Relay Dry Contact Output (NC…

A partire da

7,73 $ 10,73 $
Vedi Offerta

Disponibilità

Ac Power Failure Al…

Discount 28%

-28%

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Ac Power Failure Alarm 220V/380V · 3-Phase & Single-Phase Monitoring · Relay Dry Contact Output (Nc/Com/No) · Din35Mm Rail

AC Power Failure Alarm 220V/380V · 3-Phase & Single-Phase Monitoring · Relay Dry Contact Output (NC…

A partire da

7,73 $ 10,73 $
Vedi Offerta
Topvico 10Pcs Power…
Topvico 10Pcs Power Failure Alarm Off + On Detector Alert 100V - 220V Freezer / Medical Outage Sensor 118Db Loud Siren With Led
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Topvico 10pcs Power Failure Alarm Off + On Detector Alert 100V - 220V Freezer / Medical Outage Sens…

A partire da

115,39 $
Vedi Offerta

Disponibilità

Topvico 10Pcs Power…
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Topvico 10Pcs Power Failure Alarm Off + On Detector Alert 100V - 220V Freezer / Medical Outage Sensor 118Db Loud Siren With Led

Topvico 10pcs Power Failure Alarm Off + On Detector Alert 100V - 220V Freezer / Medical Outage Sens…

A partire da

115,39 $
Vedi Offerta
380V Ac Power Failu…
380V Ac Power Failure Alarm 3-Phase Loss Detection Instant Relay Output No/Nc Protect Motors Pumps For Industrial Use
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380V AC Power Failure Alarm 3-Phase Loss Detection Instant Relay Output NO/NC Protect Motors Pumps …

A partire da

8,24 $ 21,12 $
Vedi Offerta

Disponibilità

380V Ac Power Failu…

Discount 61%

-61%

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380V Ac Power Failure Alarm 3-Phase Loss Detection Instant Relay Output No/Nc Protect Motors Pumps For Industrial Use

380V AC Power Failure Alarm 3-Phase Loss Detection Instant Relay Output NO/NC Protect Motors Pumps …

A partire da

8,24 $ 21,12 $
Vedi Offerta
Radio Tower Beaconi…
Radio Tower Beaconing With A Photocell For An Automatic Switch On / Off And Dry Contact For Failure Alarm
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Radio Tower Beaconing with a Photocell for an Automatic Switch on / OFF and Dry Contact for Failur…

A partire da

228,86 $
Vedi Offerta

Disponibilità

Radio Tower Beaconi…
merchant logo Aliexpress
Radio Tower Beaconing With A Photocell For An Automatic Switch On / Off And Dry Contact For Failure Alarm

Radio Tower Beaconing with a Photocell for an Automatic Switch on / OFF and Dry Contact for Failur…

A partire da

228,86 $
Vedi Offerta
1 Apr.4 Pcs Power F…
1 Apr.4 Pcs Power Failure Alarm, 118 Db Loud Siren White Plastic 110V To 220V, Off/On Alert, Us Plug
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1 Apr.4 PCS Power Failure Alarm, 118 Db Loud Siren White Plastic 110V To 220V, Off/On Alert, US Plug

A partire da

31,82 $ 44,20 $
Vedi Offerta

Disponibilità

1 Apr.4 Pcs Power F…

Discount 28%

-28%

merchant logo Aliexpress
1 Apr.4 Pcs Power Failure Alarm, 118 Db Loud Siren White Plastic 110V To 220V, Off/On Alert, Us Plug

1 Apr.4 PCS Power Failure Alarm, 118 Db Loud Siren White Plastic 110V To 220V, Off/On Alert, US Plug

A partire da

31,82 $ 44,20 $
Vedi Offerta