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  Monitoring Relays (822 items)

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Schmersal Monitoring Relay, 2NO/4NC, DIN Rail / 2816098 (1 offer) 
Contact Configuration = 2NO/4NC Voltage Sensitivity = Overvoltage Mounting Type = DIN Rail
Schmersal
SRB-E-402ST-CC
£ 418.78*
per piece
 
 piece
Socomec Current Monitoring Relay / 2210446 (1 offer) 
The Socomec RESYS earth leakage relay associated with a remote trip breaking device provide functions such as protection against indirect contact, limitation of leakage currents. They also preventi...
Socomec
49423602
£ 399.99*
per piece
 
 piece
Schneider Electric Current Monitoring Relay / 2471910 (1 offer) 
Monitoring Application = Current Series = VigiPacT
Schneider Electric
56517
£ 394.238*
per piece
 
 piece
Siemens 5SV8001-6KK circuit breaker (1 offer) 
Siemens 5SV8001-6KK
Siemens
5SV8001-6KK
£ 388.16*
per piece
 
 piece
Schmersal Monitoring Relay, DPST, DIN Rail / 2816086 (1 offer) 
Contact Configuration = DPST Voltage Sensitivity = Overvoltage Mounting Type = DIN Rail
Schmersal
SRB301ST-48-230VAC
£ 386.368*
per piece
 
 piece
Socomec Current Monitoring Relay / 2210447 (1 offer) 
The Socomec RESYS earth leakage relay associated with a remote trip breaking device provide functions such as protection against indirect contact, limitation of leakage currents. They also preventi...
Socomec
49423723
£ 378.557*
per piece
 
 piece
Dold Insulation Monitoring Relay, SPDT, 0.8 → 1.1 V, DIN Rail / 2409049 (1 offer) 
Insulation monitor for direct current networks, AI898. Fixed response time 6 kΩ LED display for operational readiness and earth fault 1 changeover Overall width 45 mm. The AI898 insulation monitor ...
DOLD
AI898 DC24V 6kOhm UH=AC45-400Hz 230V
£ 358.78*
per piece
 
 piece
Siemens Voltage Monitoring Relay / 2550877 (1 offer) 
Monitoring Application = Voltage Voltage Sensitivity = Overvoltage, Undervoltage
Siemens
3UG4983-2AA01
£ 358.747*
per piece
 
 piece
Siemens 5TT3407 electrical relay (1 offer) 
Siemens 5TT3407
Siemens
5TT3407
£ 358.074*
per piece
 
 piece
Schneider Electric Voltage Monitoring Relay, SPDT, 10 → 100V ac/dc, DIN Rail / 7763666 (1 offer) 
Acti9 Monitoring Relays. Range of relays for current, voltage and phase control, time delay relays with frontal regulation by trimmer and fault tripping indication
Schneider Electric
A9E21182
from £ 353.589*
per piece
 
 piece
Siemens Current Monitoring Relay, 3 Phase, SPDT / 2550847 (1 offer) 
Monitoring Application = Current Electrical Phase = 3 Contact Configuration = SPDT Voltage Sensitivity = Overvoltage, Undervoltage
Siemens
3RR2443-1AA40
£ 350.401*
per piece
 
 piece
Siemens 3RR24433AA40 electrical relay Black (1 offer) 
Current monitoring relay for IO-Link, can be mounted to Contactor, 3RT2, Size S2 Apparant/active current monitoring 8-80 A, 20-400 Hz, 3-phase Supply voltage 24 V DC 1 change-over contact Monitorin...
Siemens
3RR24433AA40
£ 350.401*
per piece
 
 piece
Schmersal Monitoring Relay, 1NO/2NC, DIN Rail / 2816095 (1 offer) 
Contact Configuration = 1NO/2NC Voltage Sensitivity = Overvoltage Mounting Type = DIN Rail
Schmersal
SRB-E-212ST-CC
£ 347.867*
per piece
 
 piece
Siemens 5TT3471 circuit breaker (1 offer) 
Siemens 5TT3471
Siemens
5TT3471
£ 343.758*
per piece
 
 piece
Tele Frequency, Voltage Mains and System Protection, 3 Phase, DIN Rail / 2664272 (1 offer) 
Monitoring Application = Frequency, Voltage Electrical Phase = 3 Mounting Type = DIN Rail Series = RE Terminal Type = Screw°C
Tele
NA003-M64
from £ 339.58*
per piece
 
 piece
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* Prices with asterisk are net prices excl. statutory VAT.
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