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Industrial Electrical

Phase Monitoring Relays

10 Best Phase Monitoring Relays 2024 in the United States

Name: Shelly Pro 4PM | Wi-Fi, LAN & Bluetooth 4 Channel Smart Relay with Power Metering | Home Automation | Compatible with Alexa & Google Home | iOS Android App| Remote Appliances Control and Monitoring
Brand: Shelly
Price: 105.49 USD
Availability: InStock

From leading brands and best sellers available on the web.

Winner

Shelly

Shelly Pro 4PM | Wi-Fi, LAN & Bluetooth 4 Channel Smart Relay with Power Metering | Home Automation | Compatible with Alexa & Google Home | iOS Android App| Remote Appliances Control and Monitoring

10.0

score

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Finder

Finder 70.61.8.400.0000 3 Phase - Rotation and Phase Loss Monitoring Relay, 208V-480V 50/60Hz, SPDT 6A

9.4

score

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SIEMENS

Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 160–690 Line Supply Voltage

9.1

score

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Littelfuse

13%OFF

LITTELFUSE 102A 240VAC Switching, Phase Monitoring Relay, 190-480VAC Range, Flange Mount, 10AMP, SPDT

8.2

score

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SIEMENS

Siemens 3UG4615-1CR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1CO For Vmin and Vmax Contacts, 0-20s For Vmin and Vmax Delay Time, 160-690 Line

7.9

score

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Deror

Phase Sequence Protection Relay,JVR800-2 Under Over Voltage Protector 3 Phase Voltage Monitoring Sequence Protection Relay

7.9

score

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ICM Controls

7%OFF

ICM Controls ICM401 Three-Phase Line Voltage Monitor Offering Protection Against Phase Loss/Reversal and Unbalance; 50/60 Hz, 190-600 VAC (18-30 Control VAC)

7.6

score

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Omron

Omron Solid State Relay - Single Phase Solid State Relay G3NA21 10A

7.3

score

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Fockety

Fockety 3 Phase 4 Wire Over Under Voltage Protector, AC 230 to 400V 80A Din Rail Voltage Monitor Relay, Voltage Phase Sequence Protector Adjustable Over and Under Voltage Protective Device

EARUMZDQ

7%OFF

3 Phase AC380V 100A Tuya WiFi Smart Bi-Directional Energy Power kWh Meter Over Under Voltage Current Protector Relay Switch Current Limit Phase Squence Protector Voice Remote Control for Smart Home

7.0

score

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10 Best Phase Monitoring Relays 2024 in the United States

Shelly Pro 4PM | Wi-Fi, LAN & Bluetooth 4 Channel Smart Relay with Power Metering | Home Automation | Compatible with Alexa & Google Home | iOS Android App| Remote Appliances Control and Monitoring

Finder 70.61.8.400.0000 3 Phase - Rotation and Phase Loss Monitoring Relay, 208V-480V 50/60Hz, SPDT 6A

Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 160–690 Line Supply Voltage

LITTELFUSE 102A 240VAC Switching, Phase Monitoring Relay, 190-480VAC Range, Flange Mount, 10AMP, SPDT

Siemens 3UG4615-1CR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1CO For Vmin and Vmax Contacts, 0-20s For Vmin and Vmax Delay Time, 160-690 Line

Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Off Delay 0–20s Delay Time, 160–690 Line Supply Voltage

YWBL-WH RD6-W LCD Display Under Over Voltage Phase Sequence Protector 3 Phase Voltage Monitor Relay 208-480VAC

SVR1000 Single Phase Relay Over-Voltage 20V-80V Under-Voltage 0.1V-30V AC/DC(AD48)

LCLCTC 3 Phase Solid State Relay SSR 40DA DC to AC (Input 3-32VDC to Output 24-480VAC) (DC to AC 40A)

Voltage Monitoring Relay, Under Over Voltage Protector 3 Phase Voltage Monitoring Sequence Protection Relay

Phase Sequence Protection Relay,JVR800-2 Under Over Voltage Protector 3 Phase Voltage Monitoring Sequence Protection Relay

ICM Controls ICM401 Three-Phase Line Voltage Monitor Offering Protection Against Phase Loss/Reversal and Unbalance; 50/60 Hz, 190-600 VAC (18-30 Control VAC)

Omron Solid State Relay - Single Phase Solid State Relay G3NA21 10A

Fockety 3 Phase 4 Wire Over Under Voltage Protector, AC 230 to 400V 80A Din Rail Voltage Monitor Relay, Voltage Phase Sequence Protector Adjustable Over and Under Voltage Protective Device

3 Phase AC380V 100A Tuya WiFi Smart Bi-Directional Energy Power kWh Meter Over Under Voltage Current Protector Relay Switch Current Limit Phase Squence Protector Voice Remote Control for Smart Home

Current Monitoring Relays

Power Monitorings

Monitoring Robots

Remote Monitoring Camera

Voltage Monitoring Relays