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  Phase error relay  (1,141 offers of 5,358,762 product items)

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ABB Temperature Monitoring Relay, 1 Phase, SPST, DIN Rail / 4429405 (1 offer) 
Monitoring Application = Temperature Electrical Phase = 1 Contact Configuration = SPST Mounting Type = DIN Rail Minimum Current Sensed = 2A Maximum Current Sensed = 4A Time Delay = <100ms Frequency...
ABB
1SVR550801R9300
from £ 37.23*
per piece
 
 piece
Crouzet Voltage Monitoring Relay, 3 Phase, DPDT, 194 → 528V ac, DIN Rail / 262198 (2 offers) 
M3U/H3U series three-phase voltage control relays. H3US and M3US relays control three-phase networks: Overvoltage between phases and undervoltage between phases. The H3USN relay controls three-phas...
Crouzet
84873220
from £ 119.50*
per piece
 
 piece
Crouzet Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 194 → 528 V, DIN Rail / 262003 (2 offers) 
Multi Function Phase Control Relays 35mm - C-Lynx. The HWUA 3 phase network control relay monitors:- The correct sequence of phases L1, L2, L3,- Total phase failure,- Undervoltage and overvoltage f...
Crouzet
84873026
from £ 144.38*
per piece
 
 piece
Crouzet Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 4633373 (1 offer) 
2 to 500mA (EIL), 0.1 to 10A (EIH) and 10 to 100A (EIT with CT) measurement ranges Current transformer available for use with EIT control relays; stock no ; 283-6384 283-6384. Current Control Relay...
Crouzet
84871020
from £ 111.504*
per piece
 
 piece
Carlo Gavazzi Current, Voltage Monitoring Relay, SPDT, 0.4 → 500 V ac, 2 → 500V dc, DIN Rail / 7271256 (3 offers) 
Over Voltage - Over Current Monitoring Relay. Monitoring relays from Carlo Gavazzi can also be used as 1-phase or 3- phase over current monitoring relays when connected with MI or MP current transf...
Carlo Gavazzi
PUA01CB23500V
from £ 67.18*
per piece
 
 piece
RS PRO Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 1026134 (1 offer) 
RS PRO Current Monitoring Relay With SPDT ContactsDesigned for current monitoring, this true RMS (Route Mean Square) multi timer can measure both pure and distorted AC waves. This makes it suitable...
RS Pro
1026134
from £ 78.062*
per piece
 
 piece
Crouzet Voltage Monitoring Relay, 3 Phase, SPDT, 183 → 528V ac, DIN Rail / 262126 (1 offer) 
M3U/H3U series three-phase voltage control relays. H3US and M3US relays control three-phase networks: Overvoltage between phases and undervoltage between phases. The H3USN relay controls three-phas...
Crouzet
84873222
from £ 117.068*
per piece
 
 piece
Crouzet Voltage Monitoring Relay, 1 Phase, SPDT, DIN Rail / 4633468 (1 offer) 
Operating range quoted is a factor of supply voltage (Un). Voltage Control Relays – EU. The control of AC and DC voltage 0.2V to 60V (EUL) and 10 to 600V (EUH) measurement ranges Selection of over-...
Crouzet
84872023
from £ 117.642*
per piece
 
 piece
Crouzet CTR48 Counter, 6 Digit, 40kHz, 30 V dc / 7259381 (1 offer) 
Crouzet Digital CounterThe Crouzet CTR48 series digital counter is a preset, multifunction, backlit, and panel mounted device device. This counter has a voltage input and relay output. It has a 6-d...
Crouzet
87621121
from £ 233.532*
per piece
 
 piece
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail / 1026136 (1 offer) 
RS PRO V16
RS Pro
1026136
from £ 44.343*
per piece
 
 piece
Finder Monitoring Relay, 1 Phase, DPST, DIN Rail / 7888642 (3 offers) 
72 Series. Special relay for alternating loads. Suitable for applications with pumps, compressors, air conditioning or refrigeration units. 2 independent NO output, 12 A 2 independent control signa...
Finder
72.42.0.024.0000
from £ 43.34*
per piece
 
 piece
Jumo eTRON Panel Mount Thermostat, 2 Output 2 Relay, 230 V ac Supply Voltage / 5001115 (1 offer) 
Jumo Electronic MicrostatThe Jumo eTRON series electronic Microstat has a supply voltage rating of 230VAC. This controller has a width of 36mm and a height of 76mm. It has Fe-Con J wire input circu...
JUMO
701060/822-02
£ 141.303*
per piece
 
 piece
Crouzet Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 4633402 (2 offers) 
2 to 500mA (EIL), 0.1 to 10A (EIH) and 10 to 100A (EIT with CT) measurement ranges Current transformer available for use with EIT control relays; stock no ; 283-6384 283-6384. Current Control Relay...
Crouzet
84871030
from £ 131.14*
per piece
 
 piece
RS PRO Voltage Monitoring Relay, 1 Phase, SPDT, 12 → 24V dc, DIN Rail / 1026130 (1 offer) 
RS PRO Voltage Monitoring Relay With SPDT Contacts, UndervoltageThis RS PRO relay monitors undervoltage to protect motors and equipment from being damaged by blowouts. The multi timer can sense a m...
RS Pro
1026130
from £ 40.303*
per piece
 
 piece
Lovato LED Digital Panel Multi-Function Meter for Current, Power, Voltage / 7983808 (2 offers) 
Three-Phase Digital Voltmeter, Ammeter and Wattmeter. The modular digital metering instruments DMK75R1 for industrial and service fields warrant an extreme stability of the readouts owing to the la...
LOVATO Electric
DMK75R1
from £ 145.76*
per piece
 
 piece
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