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  Contactor Overload Relays (274 items)

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Siemens Overload Relay 1NO, 8.4 A F.L.C, 4 A Contact Rating, 4 kW, 24 V, 3P / 2550862 (1 offer) 
FLC Motor Rating = 8.4 A Contact Current Rating = 4 A Pole Configuration = 3P Power Rating = 4 kW Normal State Configuration = 1NO Control Voltage = 24 V
Siemens
3TG1010-0AC20-0AA0
£ 1,848.40*
per 50 pieces
 
 pack
Siemens Thermal Overload Relay 1NC/1NO, 630 A F.L.C, 4 A Contact Rating, 500 kW, 3P, SIRIUS 3RB / 2523225 (1 offer) 
FLC Motor Rating = 630 A Contact Current Rating = 4 A Range = SIRIUS 3RB Pole Configuration = 3P Power Rating = 500 kW Normal State Configuration = 1NC/1NO
Siemens
3RB2163-4MC2
£ 463.994*
per piece
 
 piece
Siemens Thermal Overload Relay 1NC/1NO, 630 A F.L.C, 4 A Contact Rating, 560 kW, 3P, SIRIUS 3RB / 2523226 (1 offer) 
FLC Motor Rating = 630 A Contact Current Rating = 4 A Range = SIRIUS 3RB Pole Configuration = 3P Power Rating = 560 kW Normal State Configuration = 1NC/1NO
Siemens
3RB2163-4MF2
£ 463.994*
per piece
 
 piece
Siemens Thermal Overload Relay 1NC/1NO, 630 A F.L.C, 4 A Contact Rating, 560 kW, 3P, SIRIUS 3RB / 2523219 (1 offer) 
FLC Motor Rating = 630 A Contact Current Rating = 4 A Range = SIRIUS 3RB Pole Configuration = 3P Power Rating = 560 kW Normal State Configuration = 1NC/1NO
Siemens
3RB2066-2MC2
£ 407.603*
per piece
 
 piece
Siemens Thermal Overload Relay 1NC/1NO, 630 A F.L.C, 4 A Contact Rating, 560 kW, 3P, SIRIUS 3RB / 2523220 (1 offer) 
FLC Motor Rating = 630 A Contact Current Rating = 4 A Range = SIRIUS 3RB Pole Configuration = 3P Power Rating = 560 kW Normal State Configuration = 1NC/1NO
Siemens
3RB2066-2MF2
£ 407.603*
per piece
 
 piece
Siemens Thermal Overload Relay 1NC/1NO, 630 A F.L.C, 4 A Contact Rating, 560 kW, 3P, SIRIUS 3RB / 2523215 (1 offer) 
FLC Motor Rating = 630 A Contact Current Rating = 4 A Range = SIRIUS 3RB Pole Configuration = 3P Power Rating = 560 kW Normal State Configuration = 1NC/1NO
Siemens
3RB2066-1MF2
£ 373.547*
per piece
 
 piece
Siemens Electronic Overload Relay 1NO, 0.3 → 630 A F.L.C, 630 A Contact Rating, 24 → 220 V, 3P / 2550829 (1 offer) 
FLC Motor Rating = 0.3 → 630 A Contact Current Rating = 630 A Pole Configuration = 3P Normal State Configuration = 1NO Control Voltage = 24 → 220 V
Siemens
3RB2483-4AA1
£ 327.502*
per piece
 
 piece
Siemens Electronic Overload Relay 1NO, 630 A Contact Rating, 24 → 230 V, 3P / 2550830 (1 offer) 
Contact Current Rating = 630 A Pole Configuration = 3P Normal State Configuration = 1NO Control Voltage = 24 → 230 V
Siemens
3RB2483-4AC1
£ 327.502*
per piece
 
 piece
Siemens 3RB Overload Relay 1NO + 1NC, 4 A Contact Rating, 250 kW, 3P, SIRIUS Classic / 7518860 (2 offers) 
3RB20 Range. Internal power supply Auxiliary contacts 1 NO+1NC Manual/Automatic Reset Switching position indicator Test function Phase failure/unbalance sensitivity
Siemens
3RB2066-1MC2
from £ 320.24*
per piece
 
 piece
Siemens 3RB Overload Relay 1NO + 1NC, 4 A Contact Rating, 22 → 110 kW, 3P, SIRIUS Classic / 7518870 (1 offer) 
3RB21 Range . Internal power supply Auxiliary contacts 1 NO+1NC Manual/Automatic Reset Switching position indicator Internal ground fault Eletrical remote reset Test function Phase failure/unbalanc...
Siemens
3RB2163-4GC2
£ 291.466*
per piece
 
 piece
Siemens Overload Relay 1NC + 1NO, 50 → 200 A F.L.C, 200 A Contact Rating, 3P, 3RB / 2182893 (1 offer) 
The Siemens SIRIUS 3RB series is a manual-automatic reset solid-state overload relay for inverse-time delayed protection of loads with normal and heavy starting against excessive temperature rises ...
Siemens
3RB2153-4FC2
£ 274.151*
per piece
 
 piece
Siemens Overload Relay 1NC + 1NO, 200 A F.L.C, 200 A Contact Rating, 160 kW, 1000 V, TP, SIRIUS / 2130996 (1 offer) 
The Siemens overload relay 50-200 A for motor protection having size S6, class 5..30e. It has contactor mounting or stand-alone installation with 4main circuit and auxiliary circuit with screw. It ...
Siemens
3RB2153-4FW2
£ 264.667*
per piece
 
 piece
Siemens 3RR Monitoring Relay, SIRIUS Innovation / 8751046 (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
3RR2243-1FW30
£ 262.469*
per piece
 
 piece
Siemens Solid State Overload Relay 2NO + 2NC, 0.3 → 630 A F.L.C, 630 A Contact Rating, 24 → 240 V, 3P / 2550828 (1 offer) 
FLC Motor Rating = 0.3 → 630 A Contact Current Rating = 630 A Pole Configuration = 3P Normal State Configuration = 2NO + 2NC Control Voltage = 24 → 240 V
Siemens
3RB2383-4AC1
£ 255.341*
per piece
 
 piece
Siemens 3RB Overload Relay 1NO + 1NC, 80 A F.L.C, 2 A @ 24 V (Auxiliary DC-13), 4 A @ 24 V (Auxiliary AC-15), 80 (Main) / 1369684 (1 offer) 
3RB3 range. Features ; Benefits. Manual/Automatic Reset Switching position indicator Test function
Siemens
3RB3133-4WB0
£ 252.629*
per piece
 
 piece
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