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  Phase error relay  (1,157 offers of 5,371,754 product items)

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Crouzet Voltage Monitoring Relay, 1 Phase, SPDT, 20 → 80V ac/dc, DIN Rail / 6149454 (2 offers) 
MUS series voltage control relays. Control relay with power supply monitoring. MUS : controls over- or undervoltage with a selectable memory function. MUSF : controls over- or undervoltage. Adjusta...
Crouzet
84872151
from £ 99.06*
per piece
 
 piece
Crouzet Current Monitoring Relay, 3 Phase, DPDT, DIN Rail / 6149397 (2 offers) 
HI series current control relay. Alternating and direct current control. Automatic AC / DC recognition. Measurement ranges from 2 mA → 10 A. Choice between over- and under-current. Measurement in t...
Crouzet
84871130
from £ 103.37*
per piece
 
 piece
Eaton Current Monitoring Relay, 1 Phase, DIN Rail / 1793518 (3 offers) 
Eaton Current Monitoring RelayThe Eaton current monitoring relay is an ideal protection device for a wide range of switchgear applications. Monitoring a 3 phase power supply is important to protect...
Eaton
184790 EMR6-I1-A-1
from £ 216.167*
per piece
 
 piece
Crouzet Voltage Monitoring Relay, 1 Phase, SPDT, 65 → 260V ac/dc, DIN Rail / 262211 (1 offer) 
MUS series voltage control relays. Control relay with power supply monitoring. MUS : controls over- or undervoltage with a selectable memory function. MUSF : controls over- or undervoltage. Adjusta...
Crouzet
84872152
from £ 95.664*
per piece
 
 piece
Dold Insulation Monitoring Relay, 1, 3 Phase, SPDT, 0.8 → 1.1 V, DIN Rail / 2409033 (1 offer) 
Insulation monitor for pure 3 phase and alternating current systems, AI897. Adjustable response value 10 → 80 kΩ No separate auxiliary voltage connection required 1 changeover Overall width 45 mm. ...
DOLD
AI897 AC45-400Hz230V 10-80kOhm
£ 232.759*
per piece
 
 piece
Crouzet Phase, Voltage Monitoring Relay, 3 Phase, SPDT, 183 → 528V ac, DIN Rail / 261915 (2 offers) 
Multi Function Phase Control Relays 17.5mm - C-Lynx. 3 phase network control relays monitor: the correct sequence of phases L1, L2, L3, the total phase failure - Undervoltage and overvoltage from 2...
Crouzet
84873022
from £ 74.79*
per piece
 
 piece
Eaton Current Monitoring Relay, 1 Phase, DIN Rail / 1793549 (2 offers) 
The EMR6 measuring and monitoring relays are designed for a wide range of switchgear applications. Thanks to their ability to monitor overloads, power fluctuations, phase sequences, machine tempera...
Eaton
184781 EMR6-IM15-A-1
from £ 229.19*
per piece
 
 piece
Dold Current Monitoring Relay, 1 Phase, DPDT, DIN Rail / 2409320 (1 offer) 
Current monitoring relay, BA9053 / 410. For DC and AC Three measurement ranges: 0.1 → 1 A; 0.5 → 5 A; 1 → 10 A Working current principle High overload capacity Permissible measurement frequency up ...
DOLD
BA9053/410 AC1A/5A/10A AC230V 0-20S
£ 231.522*
per piece
 
 piece
Dold Thermistor Motor Protection Monitoring Relay, SPDT, DIN Rail / 2408995 (1 offer) 
MK9052 - Thermistor motor protection relay. 1 input for thermistors or bi-metallic contacts Wire breakage detection in the sensor circuit LED for switching status Rest current principle 1 changeove...
DOLD
MK9052.11 AC50/60Hz 230V
£ 111.90*
per piece
 
 piece
Crouzet Voltage Monitoring Relay, 1 Phase, SPDT, 20 → 80V ac/dc, DIN Rail / 6149432 (2 offers) 
Voltage Control Relay - C-Lynx. MUS and MUSF voltage control relays monitor single phase DC network voltages. These products monitor their own supply voltage. MUS relays allow the operator to choos...
Crouzet
84872833
from £ 90.94*
per piece
 
 piece
Eaton Phase, Voltage Monitoring Relay, 160 → 300V ac, DIN Rail / 1793529 (2 offers) 
The EMR6 measuring and monitoring relays are designed for a wide range of switchgear applications. Thanks to their ability to monitor overloads, power fluctuations, phase sequences, machine tempera...
Eaton
184763 EMR6-AW300-C-1
from £ 206.168*
per piece
 
 piece
Dold Voltage Monitoring Relay, 1, 3 Phase, DPDT, 0 → 500V ac, DIN Rail / 4459068 (1 offer) 
Complies with IEC 255, EN 61 557 and VDE 0413. Insulation monitor for AC networks IL 5880. For AC and DC network currents with 0 → 500 V and 10 → 1000 Hz Also monitors non-powered networks Adjustab...
DOLD
IL5880.12 AC50-400Hz 220-240V 5-100kOHM
£ 210.484*
per piece
 
 piece
Eaton Contactor, 230 V ac @ 50 Hz, 240 V ac @ 60 Hz Coil, 3-Pole, 25 A, 3NO, 400 V ac / 1875350 (1 offer) 
Eaton DLIMS Series Safety Contactors. The DILMS series of safety contactors from Eaton offer reliable switching in safety-related device applications. As standard, all versions of the DILMS safety ...
Eaton
191744 DILMS25-23(230V50HZ,240V60HZ)
£ 125.255*
per piece
 
 piece
Dold Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail / 2408939 (1 offer) 
Voltage relay, three-phase, BA9043, BA9043/001. Voltage monitoring for 3 phase systems 3 phase mains, 50 → 400 Hz Arithmetic average measurement Adjustable response and fall-back values For mains w...
DOLD
BA9043 3AC50-400Hz 230/400V
£ 223.354*
per piece
 
 piece
Eaton Phase, Voltage Monitoring Relay, 200 → 500V ac, DIN Rail / 1793516 (2 offers) 
Eaton Power Supply Monitoring RelayThe Eaton power supply monitoring relay is a 3 phase multi-function monitoring relay. Monitoring a 3 phase power supply is important to protect the electrical dev...
Eaton
184789 EMR6-F500-G-1
from £ 107.089*
per piece
 
 piece
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