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  Phase unbalance relay  (1,143 offers of 5,555,679 product items)

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Siemens 3RB Solid State Overload Relay 1NO + 1NC, 6 → 25 A F.L.C, 25 A Contact Rating, 11 kW, 3P, SIRIUS / 7060790 (1 offer) 
CE, UL, CSA. Solid State Overload Relay - 3RB range. 3RB30 and 3RB31 solid-state overload relays up to 80 A with internal power supply have been designed for current-sensitive protection of loads w...
Siemens
3RB3026-1QE0
from £ 88.02*
per piece
 
 piece
Siemens 3RB Solid State Overload Relay 1NO + 1NC, 50 A F.L.C, 50 A Contact Rating, 3P, SIRIUS Innovation / 8751030 (1 offer) 
CE, UL, CSA. Solid State Overload Relay - 3RB range. 3RB30 and 3RB31 solid-state overload relays up to 80 A with internal power supply have been designed for current-sensitive protection of loads w...
Siemens
3RB3036-1UB0
from £ 143.913*
per piece
 
 piece
Siemens Overload Relay 1NC + 1NO, 4 A F.L.C, 4 A Contact Rating, 3 kW, 690 Vac, TP, SIRIUS / 2164359 (1 offer) 
The Siemens overload relay of current rating 1-4 A. It is used for motor protection size S00, class 10E and having contactor mounting. The main circuit has spring type terminal and auxiliary circui...
Siemens
3RB3016-2PB0
from £ 89.951*
per piece
 
 piece
Siemens Monitoring Relay, 3 Phase, DIN Rail / 2752196 (1 offer) 
Electrical Phase = 3 Mounting Type = DIN Rail
Siemens
7SR51107AA260AA0
£ 4,525.316*
per piece
 
 piece
Siemens 5SV8111-4KK circuit breaker (2 offers) 
Siemens 5SV8111-4KK
Siemens
5SV8111-4KK
from £ 941.15*
per piece
 
 piece
Siemens 3RR Monitoring Relay 1NO + 1NC, 1.6 → 16 A F.L.C, 1 A Contact Rating, 0.0025 kW, 24 V dc, SP, 3RR2 / 7061021 (1 offer) 
Monitoring Relay - 3RR range. SIRIUS 3RR21 and 3RR22 current monitoring relays are suitable for the load monitoring of motors or other loads. In 2 or 3 phases they monitor the rms value of AC curre...
Siemens
3RR2241-1FA30
from £ 168.325*
per piece
 
 piece
Siemens 5TT3171 circuit breaker (1 offer) 
Siemens 5TT3171
Siemens
5TT3171
from £ 248.705*
per piece
 
 piece
Siemens Current Monitoring Relay, 2 Phase, SPDT / 2565404 (1 offer) 
Monitoring Application = Current Electrical Phase = 2 Contact Configuration = SPDT
Siemens
3RR2143-1AA30
from £ 140.184*
per piece
 
 piece
Siemens 3UG4621-1AW30 electrical relay Black, Grey (2 offers)
Siemens
3UG4621-1AW30
from £ 104.31*
per piece
 
 piece
Siemens Phase Monitoring Relay, 3 Phase, SPDT / 2565438 (1 offer) 
Monitoring Application = Phase Electrical Phase = 3 Contact Configuration = SPDT
Siemens
3UG4816-1AA40
from £ 213.295*
per piece
 
 piece
Siemens Overload Relay 1NC + 1NO, 12 A F.L.C, 12 A Contact Rating, 7.5 kW, 690 Vac, TP, SIRIUS / 2103468 (1 offer) 
The Siemens overload relay of current rating 3-12 A. It is used for motor protection size S00, class 10E and having contactor mounting. The main circuit has spring type terminal and auxiliary circu...
Siemens
3RB3026-1SE0
from £ 88.92*
per piece
 
 piece
Siemens Current Monitoring Relay, 3 Phase, SPDT / 2550844 (1 offer) 
Monitoring Application = Current Electrical Phase = 3 Contact Configuration = SPDT Voltage Sensitivity = Overvoltage, Undervoltage
Siemens
3RR2441-2AA40
from £ 216.504*
per piece
 
 piece
Siemens Current Monitoring Relay, 2 Phase, SPDT / 2565406 (1 offer) 
Monitoring Application = Current Electrical Phase = 2 Contact Configuration = SPDT
Siemens
3RR2143-3AW30
from £ 164.256*
per piece
 
 piece
Siemens Phase Monitoring Relay, DPDT / 2550875 (1 offer) 
Monitoring Application = Phase Contact Configuration = DPDT Voltage Sensitivity = Overvoltage, Undervoltage
Siemens
3UG4614-1BR28-0AA3
£ 27,692.5608*
per 180 pieces
 
 pack
Siemens Overload Relay 1NC + 1NO, 25 A F.L.C, 25 A Contact Rating, 22 kW, 690 Vac, TP, SIRIUS / 2164360 (1 offer) 
The Siemens overload relay of current rating 6-25 A. It is used for motor protection size S00, class 10E and having contactor mounting. The main circuit has spring type terminal and auxiliary circu...
Siemens
3RB3123-4QE0
from £ 149.053*
per piece
 
 piece
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