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Phase Monitoring Relays - 83 - Huge Savings! Save up to 12%


Huge Savings! Up to 12% off on Phase Monitoring Relays at Buditech. Top brands include Siemens, MACROMATIC CONTROLS, Omron, Schneider, & Totaline. Hurry! Limited time offers. Offers valid only while supplies last.



Siemens 3UG4511-1AQ20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 160-260 Line Supply Voltage
Siemens 3UG4511-1AQ20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 160-260 Line Supply Voltage
By Siemens
In Stock
$62.17
$60.72
You Save: 2%

mpn: 3UG4511-1AQ20, ean: 0754554931425,

4.3 out of 5 stars with 105 reviews
The new 3UG4 line monitoring relays permit a maximum degree of protection to be achieved for machines, plants and systems. This means that line and voltage faults can be detected early on and the appropriate response is initiated before far more sign...


Siemens 3UG4511-1BQ20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Delay Time, 160-260 Line Supply Voltage
Siemens 3UG4511-1BQ20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Delay Time, 160-260 Line Supply Voltage
By Siemens
In Stock
$82.14

mpn: 3UG4511-1BQ20, ean: 0754554931449,

4.9 out of 5 stars with 103 reviews
The new 3UG4 line monitoring relays permit a maximum degree of protection to be achieved for machines, plants and systems. This means that line and voltage faults can be detected early on and the appropriate response is initiated before far more sign...


Siemens 3UG4511-1AN20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 320-500 Line Supply Voltage
Siemens 3UG4511-1AN20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 320-500 Line Supply Voltage
By Siemens
In Stock
$95.70
$83.93
You Save: 12%

mpn: 3UG4511-1AN20, ean: 0754554922638,

4.0 out of 5 stars with 26 reviews
The new 3UG4 line monitoring relays permit a maximum degree of protection to be achieved for machines, plants and systems. This means that line and voltage faults can be detected early on and the appropriate response is initiated before far more sign...


Siemens 3UG4621-2AW30 Monitoring Relay, Single Phase Current Monitoring, 22.5mm Width, Cage Clamp Terminal, 1 CO Contacts, up to 500mA AC/DC Measuring Range, 0.1mA-250mA Hysteresis, 0-20 s Starting Bypass Time, 0-20 s Off Delay, 24VAC/DC Auxiliary Voltage
Siemens 3UG4621-2AW30 Monitoring Relay, Single Phase Current Monitoring, 22.5mm Width, Cage Clamp Terminal, 1 CO Contacts, up to 500mA AC/DC Measuring Range, 0.1mA-250mA Hysteresis, 0-20 s Starting Bypass Time, 0-20 s Off Delay, 24VAC/DC Auxiliary Voltage
By Siemens
In Stock
$34.73

mpn: 3RF23 70-3BA02, ean: 4011209573536,

4.8 out of 5 stars with 121 reviews
The semiconductor contactors are selected on the basis of details of the power system, the load and the ambient conditions. As the semiconductor contactors are already equipped with an optimally matched heat sink, the selection process is considerabl...


Siemens 3UG4621-2AA30 Monitoring Relay, Single Phase Current Monitoring, 22.5mm Width, Cage Clamp Terminal, 1 CO Contacts, 2.0mA AC/DC Measuring Range, 0.1mA-250mA Hysteresis, 0-20 s Starting Bypass Time, 0-20 s Off Delay, 24-240VAC/DC Auxiliary Voltage
Siemens 3UG4621-2AA30 Monitoring Relay, Single Phase Current Monitoring, 22.5mm Width, Cage Clamp Terminal, 1 CO Contacts, 2.0mA AC/DC Measuring Range, 0.1mA-250mA Hysteresis, 0-20 s Starting Bypass Time, 0-20 s Off Delay, 24-240VAC/DC Auxiliary Voltage
By Siemens
In Stock
$12.97

mpn: 3RF23202DA24, ean: 0754554863139,

4.6 out of 5 stars with 119 reviews
The semiconductor contactors are selected on the basis of details of the power system, the load and the ambient conditions. As the semiconductor contactors are already equipped with an optimally matched heat sink, the selection process is considerabl...


Siemens 3UG4511-2BP20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Cage Clamp Terminal, 2 CO Contacts, Delay Time, 420-690 Line Supply Voltage
Siemens 3UG4511-2BP20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Cage Clamp Terminal, 2 CO Contacts, Delay Time, 420-690 Line Supply Voltage
By Siemens
In Stock
$23.45
$23.44

mpn: 3RF23 20-1DA24, ean: 4011209572553,

4.3 out of 5 stars with 220 reviews
The semiconductor contactors are selected on the basis of details of the power system, the load and the ambient conditions. As the semiconductor contactors are already equipped with an optimally matched heat sink, the selection process is considerabl...


Siemens 3UG4616-2CR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Cage Clamp Terminal, 1 CO For Vmin and Vmax Contacts, 0-20s For Vmin and Vmax Delay Time, 160-690 (90-400 w.r.t. N) Line Supply Voltage
Siemens 3UG4616-2CR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Cage Clamp Terminal, 1 CO For Vmin and Vmax Contacts, 0-20s For Vmin and Vmax Delay Time, 160-690 (90-400 w.r.t. N) Line Supply Voltage
By Siemens
In Stock
$30.24
$30.23

mpn: 3RF23 20-2CA02, ean: 0754554863085,

4.9 out of 5 stars with 292 reviews
The semiconductor contactors are selected on the basis of details of the power system, the load and the ambient conditions. As the semiconductor contactors are already equipped with an optimally matched heat sink, the selection process is considerabl...


Siemens 3UG46 24-2CS20 Residual Current Monitoring Relay, Spring Type Terminals, 10-120 Percent Display Range, 10-100 Percent Setting Range
Siemens 3UG46 24-2CS20 Residual Current Monitoring Relay, Spring Type Terminals, 10-120 Percent Display Range, 10-100 Percent Setting Range
By Siemens
In Stock
$12.62

mpn: 3RF23 20-3DA02, ean: 4011209572799,

4.4 out of 5 stars with 69 reviews
The semiconductor contactors are selected on the basis of details of the power system, the load and the ambient conditions. As the semiconductor contactors are already equipped with an optimally matched heat sink, the selection process is considerabl...


Siemens 3UG4511-1BN20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Delay Time, 320-500 Line Supply Voltage
Siemens 3UG4511-1BN20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Delay Time, 320-500 Line Supply Voltage
By Siemens
In Stock
$85.00

mpn: 3UG45111BN20, ean: 0754554922645,

4.2 out of 5 stars with 99 reviews
The new 3UG4 line monitoring relays permit a maximum degree of protection to be achieved for machines, plants and systems. This means that line and voltage faults can be detected early on and the appropriate response is initiated before far more sign...


Siemens 3UG4632-2AW30 Monitoring Relay, Single Phase Voltage Monitoring, Cage Clamp Terminal, 1 CO Contacts, 10-600VAC/DC Measuring Range, 0.1-300V Hysteresis, 0-20s Delay Time, 24VAC/DC Auxiliary Voltage
Siemens 3UG4632-2AW30 Monitoring Relay, Single Phase Voltage Monitoring, Cage Clamp Terminal, 1 CO Contacts, 10-600VAC/DC Measuring Range, 0.1-300V Hysteresis, 0-20s Delay Time, 24VAC/DC Auxiliary Voltage
By Siemens
In Stock
$29.99

mpn: 3UG4632-2AW30, ean: 0040892922226,

4.4 out of 5 stars with 167 reviews
The new 3UG4 line monitoring relays permit a maximum degree of protection to be achieved for machines, plants and systems. This means that line and voltage faults can be detected early on and the appropriate response is initiated before far more sign...


MACROMATIC CONTROLS PAP480 PHASE MONITORING RELAY, SPDT, 480VAC
MACROMATIC CONTROLS PAP480 PHASE MONITORING RELAY, SPDT, 480VAC
By MACROMATIC CONTROLS
In Stock
$61.68

mpn: PAP480,

4.9 out of 5 stars with 77 reviews
MACROMATIC CONTROLS PAP480 PHASE MONITORING RELAY, SPDT, 480VAC...


Omron K8DS-PH1 Phase Monitoring Relay
Omron K8DS-PH1 Phase Monitoring Relay
By Omron
In Stock
$25.03

mpn: K8DS-PH1, ean: 4548583402553,

4.0 out of 5 stars with 57 reviews
Omron K8DS-PH1 Phase Monitoring Relay....


Schneider RE22R1QCMU Star-Delta Timing Relay - 0.05s…300s - 24V DC / 24…240V AC - 1C/O
Schneider RE22R1QCMU Star-Delta Timing Relay - 0.05s…300s - 24V DC / 24…240V AC - 1C/O
By Schneider
In Stock
$33.47

mpn: RE22R1QCMU,

4.1 out of 5 stars with 98 reviews
Star-Delta Timing Relay - 0.05s...300s - 24V DC / 24...240V AC - 1C/O...


Schneider RE22R2AMR On-delay Timing Relay - 0.05s…300h - 24… 240V AC/DC - 2C/O
Schneider RE22R2AMR On-delay Timing Relay - 0.05s…300h - 24… 240V AC/DC - 2C/O
By Schneider
In Stock
$85.00

mpn: RE22R2AMR,

4.5 out of 5 stars with 112 reviews
Schneider RE22R2AMR On-delay Timing Relay - 0.05s...300h - 24... 240V AC/DC - 2C/O...


Schneider RE22R1KMR Off-delay Timing Relay - 0.05s…10min - 24… 240V AC/DC - 1C/O
Schneider RE22R1KMR Off-delay Timing Relay - 0.05s…10min - 24… 240V AC/DC - 1C/O
By Schneider
In Stock
$53.34

mpn: RE22R1KMR,

4.7 out of 5 stars with 274 reviews
Schneider RE22R1KMR Off-delay Timing Relay - 0.05s...10min - 24... 240V AC/DC - 1C/O...


Schneider RE22R2QEMR Star-Delta Timing Relay - 0.3s…30s - 24… 240V AC/DC - 2C/O
Schneider RE22R2QEMR Star-Delta Timing Relay - 0.3s…30s - 24… 240V AC/DC - 2C/O
By Schneider
In Stock
$66.00

mpn: RE22R2QEMR,

4.9 out of 5 stars with 32 reviews
Schneider RE22R2QEMR Star-Delta Timing Relay - 0.3s...30s - 24... 240V AC/DC - 2C/O...


Totaline 3 Phase Line Monitor
Totaline 3 Phase Line Monitor
By Totaline
In Stock
$33.95

mpn: P251-0030,

4.7 out of 5 stars with 71 reviews
When you need aftermarket parts, you need a company you can rely on to provide quality products at an affordable price, all in one place. For more than 25 years, Totaline Sales Centers have been doing just that.3 Phase Line Monitor. 3 Phase Protectio...


Siemens 3UG4512-2AR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Cage Clamp Terminal, 1 CO Contacts, Delay Time, 160-690 Line Supply Voltage
Siemens 3UG4512-2AR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Cage Clamp Terminal, 1 CO Contacts, Delay Time, 160-690 Line Supply Voltage
By Siemens
In Stock
$72.62
$72.24

mpn: 3UG45122AR20, ean: 0754554942360,

4.7 out of 5 stars with 144 reviews
The new 3UG4 line monitoring relays permit a maximum degree of protection to be achieved for machines, plants and systems. This means that line and voltage faults can be detected early on and the appropriate response is initiated before far more sign...


Schneider RM22TU23 3 PHASE UNDERVOLTAGE CONTROL RELAY RM22-TU
Schneider RM22TU23 3 PHASE UNDERVOLTAGE CONTROL RELAY RM22-TU
By Schneider
In Stock
$87.97

mpn: RM22TU23,

4.6 out of 5 stars with 192 reviews
Functions: Phase sequence, Phase failure, Undervoltage. Rated 3-phase supply voltage: 380-480VAC, Measurement range: 380-480VAC, Time delay: No, Output: 2 C/O 8 A...


Siemens 3UG4511-1AP20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 420-690 Line Supply Voltage
Siemens 3UG4511-1AP20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 420-690 Line Supply Voltage
By Siemens
In Stock
$85.61

mpn: 3UG45111AP20, ean: 0754554921020,

4.2 out of 5 stars with 144 reviews
The new 3UG4 line monitoring relays permit a maximum degree of protection to be achieved for machines, plants and systems. This means that line and voltage faults can be detected early on and the appropriate response is initiated before far more sign...



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