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  Contactor Overload Relays (212 items)

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Siemens 3RA Overload Relay 2NO, 5.5 kW, 24 → 240 V ac/dc, SIRIUS Innovation / 7060696 (4 offers) 
Connection Modules ; Accessories, and Mounting Accessories. Connection Accessories for use with SIRIUS range
Siemens
3RA2816-0EW20
from £ 73.86*
per piece
 
 piece
Siemens 3RB Overload Relay 1NO + 1NC, 4 A Contact Rating, 50 W, 230 Vac, 3P, SIRIUS Classic / 8665535 (1 offer) 
SIRIUS 3RN10 00 // 62 thermistor motor protection relay. 3RN10 00: Compact, low-cost unit, with LED 'tripped' indicator and 1 changeover relay contact; reset is automatic when sensor has cooled dow...
Siemens
3RB2056-1FW2
£ 191.516*
per piece
 
 piece
Siemens 3RB2056-1FC2 electrical relay Black, White 3 (2 offers) 
OVERLOAD RELAY 50...200 A FOR MOTOR PROTECTION SIZE S6, CLASS 10 MOUNT. ONTO CONT./ STAND-ALONE MAIN CIRCUIT: BAR CONNECTION AUX. CIRCUIT: SCREW CONNECTION MANUAL-AUTOMATIC-RESET
Siemens
3RB20561FC2
from £ 165.11*
per piece
 
 piece
Siemens Overload Relay 1NC + 1NO, 55 → 250 A F.L.C, 250 A Contact Rating, 3P, 3RB / 2162850 (2 offers) 
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
3RB2066-1GC2
from £ 178.48*
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 £ 311.34*
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 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 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 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 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 Solid State Overload Relay 2NO + 2NC, 0.3 → 630 A F.L.C, 6 A Contact Rating, 300 Vdc, DP, SIRIUS / 2032147 (2 offers) 
The Siemens circuit-breaker for motor protection used screw terminal type and trip class 5-30. It has standard switching capacity and its size of contactor is S00-S12. The contactor assemblies have...
Siemens
3RB2283-4AA1
from £ 156.83*
per piece
 
 piece
Siemens Solid State Overload Relay 2NO + 2NC, 0.3 → 630 A F.L.C, 630 A Contact Rating, 0.5 W, 24 → 240 V, / 2550827 (1 offer) 
FLC Motor Rating = 0.3 → 630 A Contact Current Rating = 630 A Pole Configuration = 3P Power Rating = 0.5 W Normal State Configuration = 2NO + 2NC Control Voltage = 24 → 240 V
Siemens
3RB2283-4AC1
£ 189.29*
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 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 Solid State Overload Relay 1NO + 1NC, 0.32 → 1.25 A F.L.C, 1.25 A Contact Rating, 0.37 kW, 3P, / 7060740 (2 offers) 
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
3RB3016-1NB0
from £ 74.66*
per piece
 
 piece
Siemens Overload Relay 1NO + 1NC, 1.25 A F.L.C, 4 A Contact Rating, 0.75 kW, 690 Vac, 3P, SIRIUS / 2032072 (2 offers) 
The Siemens SIRIUS series overload relay having voltage rating of 690V and current rating of 1.25A.It has main circuit and auxiliary circuit of spring type terminals. It is mainly used for motor pr...
Siemens
3RB3016-1NE0
from £ 74.66*
per piece
 
 piece
Siemens 3RB Solid State Overload Relay 1NO + 1NC, 1 → 4 A F.L.C, 4 A Contact Rating, 1.5 kW, 3P, SIRIUS / 7060747 (2 offers) 
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
3RB3016-1PB0
from £ 74.66*
per piece
 
 piece
Siemens 3RB Solid State Overload Relay 1NO + 1NC, 1 → 4 A F.L.C, 4 A Contact Rating, 1.5 kW, 3P, SIRIUS / 7060756 (2 offers) 
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
3RB3016-1PE0
from £ 74.66*
per piece
 
 piece
Siemens 3RB Solid State Overload Relay 1NO + 1NC, 3 → 12 A F.L.C, 12 A Contact Rating, 5.5 kW, 3P, SIRIUS / 7060762 (4 offers) 
FLC Motor Rating = 3 → 12 A Contact Current Rating = 12 A Range = SIRIUS Innovation Pole Configuration = 3P Series = 3RB Mounting Style = Direct Contactor Power Rating = 5.5 kW Normal State Configu...
Siemens
3RB3016-1SB0
from £ 54.80*
per piece
 
 piece
Siemens Overload Relay 1NC + 1NO, 16 A F.L.C, 16 A Contact Rating, 11 kW, 690 Vac, TP, SIRIUS / 2103467 (2 offers) 
The Siemens overload relay of current rating 4-16 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
3RB3016-1TE0
from £ 74.66*
per piece
 
 piece
Siemens Solid State Overload Relay 1NO + 1NC, 1.25 A F.L.C, 4 A Contact Rating, 0.37 kW, SIRIUS / 2368402 (1 offer) 
FLC Motor Rating = 1.25 A Contact Current Rating = 4 A Range = SIRIUS Mounting Style = Direct Contactor Power Rating = 0.37 kW Normal State Configuration = 1NO + 1NC
Siemens
3RB3016-2NB0
£ 91.863*
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
£ 91.863*
per piece
 
 piece
Siemens Solid State Overload Relay 1 NO + 1 NC, 16 A F.L.C, 4 A Contact Rating, 7.5 kW, SIRIUS / 2368403 (1 offer) 
FLC Motor Rating = 16 A Contact Current Rating = 4 A Range = SIRIUS Mounting Style = Direct Contactor Power Rating = 7.5 kW Normal State Configuration = 1 NO + 1 NC
Siemens
3RB3016-2TE0
£ 91.863*
per piece
 
 piece
Siemens 3RB Solid State Overload Relay 1NO + 1NC, 1 → 4 A F.L.C, 4 A Contact Rating, 1.5 kW, 3P, SIRIUS / 7060784 (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
3RB3026-1PB0
£ 89.90*
per piece
 
 piece
Siemens 3RB Solid State Overload Relay 1NO + 1NC, 6 → 25 A F.L.C, 25 A Contact Rating, 11 kW, 3P, SIRIUS / 7060781 (2 offers) 
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
3RB3026-1QB0
from £ 60.42*
per piece
 
 piece
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
£ 89.90*
per piece
 
 piece
Siemens 3RB Solid State Overload Relay 1NO + 1NC, 0.1 → 0.4 A F.L.C, 400 mA Contact Rating, 90 W, 3P, SIRIUS / 7060793 (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
3RB3026-1RB0
£ 89.90*
per piece
 
 piece
Siemens 3RB Solid State Overload Relay 1NO + 1NC, 3 → 12 A F.L.C, 12 A Contact Rating, 5.5 kW, 3P, SIRIUS / 7060807 (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
3RB3026-1SB0
£ 89.90*
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
£ 89.90*
per piece
 
 piece
Siemens
3RB3026-1VB0
from £ 131.60*
per piece
 
 piece
Siemens 3RB Solid State Overload Relay 1NO + 1NC, 0.32 → 1.25 A F.L.C, 1.25 A Contact Rating, 0.37 kW, 3P, / 7060816 (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
3RB3026-2NB0
£ 105.643*
per piece
 
 piece
Siemens 3RB Solid State Overload Relay 1NO + 1NC, 1 → 4 A F.L.C, 4 A Contact Rating, 1.5 kW, 3P, SIRIUS / 7060829 (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
3RB3026-2PB0
£ 105.643*
per piece
 
 piece
Siemens 3RB Solid State Overload Relay 1NO + 1NC, 10 → 40 A F.L.C, 40 A Contact Rating, 18.5 kW, 3P, SIRIUS / 7060848 (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
3RB3026-2VB0
£ 148.956*
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
£ 146.986*
per piece
 
 piece
Siemens Overload Relay, 50 A F.L.C, 4 A Contact Rating, 690 Vac, 3, SIRIUS / 2021632 (1 offer) 
The Siemens 50A electronic overload relay mainly used for motor protection of size S2. It has different electrical connection for main current circuit straight-through transformers connection and f...
Siemens
3RB3036-1UW1
£ 146.986*
per piece
 
 piece
Siemens Solid State Overload Relay 1NC/1NO, 20 → 80 A F.L.C, 80 A Contact Rating, 75 kW, 690 V, SIRIUS / 2258847 (1 offer) 
The Siemens 3RB3 series is a SIRIUS range electronic solid-state overload relays up to 80 A the size of overload relay is S2 and can be combined with motor protection Size S2 and have trip Class 10...
Siemens
3RB3036-1WB0
£ 188.982*
per piece
 
 piece
Siemens 3RB Overload Relay 1NO + 1NC, 60 A F.L.C, 2 A @ 24 V (Auxiliary DC-13), 4 A @ 24 V (Auxiliary AC-15), 80 (Main) / 1369683 (1 offer) 
3RB3 range. Features ; Benefits. Manual/Automatic Reset Switching position indicator Test function
Siemens
3RB3036-2WB0
£ 218.503*
per piece
 
 piece
Siemens Overload Relay, 50 A F.L.C, 4 A Contact Rating, 1000 V, 3, SIRIUS / 2021633 (1 offer) 
The Siemens 50A electronic overload relay mainly used for motor protection of size S3. It has electrical connection of the screw terminal type for main current circuit and for auxiliary and control...
Siemens
3RB3046-1UB0
£ 162.073*
per piece
 
 piece
Siemens Overload Relay, 50 A F.L.C, 4 A Contact Rating, 3RW3 kW, 1000 V, 3, SIRIUS / 2021634 (1 offer) 
The Siemens 50A electronic overload relay mainly used for motor protection of size S3. It has different electrical connection for main current circuit straight-through transformers connection and f...
Siemens
3RB3046-1UW1
£ 206.168*
per piece
 
 piece
Siemens 3RB Overload Relay 1NO + 1NC, 4 A F.L.C, 4 A Contact Rating, 0.1 W, 3P, SIRIUS Innovation / 1243054 (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
3RB3113-4PB0
£ 141.08*
per piece
 
 piece
Siemens Overload Relay 1NO + 1NC, 12 A F.L.C, 4 A Contact Rating, 7.5 kW, 690 Vac, 3P, SIRIUS / 2032056 (1 offer) 
The Siemens SIRIUS series overload relay having voltage rating of 690V and current rating of 12A.It has main circuit and auxiliary circuit of screw type terminals. It is mainly used for motor prote...
Siemens
3RB3113-4SB0
£ 141.08*
per piece
 
 piece
Siemens Overload Relay 1NC + 1NO, 6 → 25 A F.L.C, 25 A Contact Rating, 3P, 3RB / 2162816 (1 offer) 
The Siemens SIRIUS 3RB series is a solid-state overload relay for inverse-time delayed protection of loads with normal and heavy starting against excessive temperature rises due to overload, phase ...
Siemens
3RB3123-4QB0
£ 152.233*
per piece
 
 piece
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
£ 152.233*
per piece
 
 piece
Siemens Overload Relay 1NC + 1NO, 3 → 12 A F.L.C, 12 A Contact Rating, 3P, 3RB / 2162817 (1 offer) 
The Siemens SIRIUS 3RB series is a solid-state overload relay for inverse-time delayed protection of loads with normal and heavy starting against excessive temperature rises due to overload, phase ...
Siemens
3RB3123-4SB0
£ 152.233*
per piece
 
 piece
Siemens Overload Relay 1NC + 1NO, 12 A F.L.C, 12 A Contact Rating, 7.5 kW, 690 Vac, TP, SIRIUS / 2130999 (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
3RB3123-4SE0
£ 152.233*
per piece
 
 piece
Siemens Overload Relay 1NC + 1NO, 10 → 40 A F.L.C, 40 A Contact Rating, 3P, 3RB / 2162818 (1 offer) 
The Siemens SIRIUS 3RB series is a solid-state overload relay for inverse-time delayed protection of loads with normal and heavy starting against excessive temperature rises due to overload, phase ...
Siemens
3RB3123-4VB0
£ 189.635*
per piece
 
 piece
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