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  Mains monitoring relay  (38,715 offers of 6,230,352 product items)

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Siemens Auxiliary Switch Block, 4 Contact, 1NO + 3NC, Snap-On, Sirius Innovation 3RH29 / 1363691 (2 offers) 
This product is in obsolescence mode and is due for discontinuation by the manufacturer. We recommend that you review the alternative highlighted by the manufacturer. Alternatively, refer to the cr...
Siemens
3RH2911-2HA13
£ 11.36*
per piece
 
 piece
Siemens 15A Cartridge Fuse, 14 x 51mm / 396358 (1 offer) 
IEC 60269-4. UL, CSA. SITOR Cylindrical Fuses, Size 14 x 51 mm, Type aR. Semiconductor protection fuses, 3NC1 Series Operating class aR (full-range semiconductor protection) For protecting high-qua...
Siemens
3NC1415
£ 18.28*
per piece
 
 pieces
Siemens 3RF2 Series Solid State Relay, 460 V Load / 2114927 (1 offer) 
The Siemens has 3RF2 semiconductor relay with 1 phase. This semiconductor relay has zero-point switching. This relay has mounting type screw fixing. This semiconductor relay has screw terminal.IP d...
Siemens
3RF2170-1CA04
£ 72.48*
per piece
 
 piece
Sensata Cynergy3 RSF40 Series Horizontal Polyphenylene Sulfide Float Switch, Float, 1m Cable, NO/NC, 240V ac Max, 120V / 3389716 (2 offers) 
Suitable for signal switching and for use with transistorised input/low power, suppressed coil miniature relays. Not suited for any inductive or inrush (e.g. filament lamps) loads. Cynergy3 Horizon...
Sensata / Cynergy3
RSF46Y100RG
£ 34.513*
per piece
 
 piece
Siemens Auxiliary Switch Block, 4 Contact, 4NO, Snap-On, Sirius Innovation 3RH29 / 1363686 (1 offer) 
This product is in obsolescence mode and is due for discontinuation by the manufacturer. We recommend that you review the alternative highlighted by the manufacturer. Alternatively, refer to the cr...
Siemens
3RH2911-1XA40-0MA0
£ 15.032*
per piece
 
 piece
Siemens 3 → 8.4 A Motor Protection Circuit Breaker / 1963567 (1 offer) 
Power relay, AC-3 8.4 A, 4 kW / 400 V 4 NO, 24 V AC, 45..450 Hz 3 pole, flat connector terminal 6.3 x 0.8mm
Siemens
3TG1010-1AC2
£ 31.576*
per piece
 
 piece
Siemens 3RF2 Series Solid State Relay, 50 A Load, DIN Rail Mount, 460 V Load / 2113668 (1 offer) 
The Siemens SIRIUS 3RF2 series is a solid-state contactor single phase for switching resistive/inductive loads. It has operating temperature of 40 °C. The type of electrical main current circuit an...
Siemens
3RF2350-1BA04
£ 98.775*
per piece
 
 piece
Sensata Cynergy3 RSF70 Series Cable Mount Nylon Float Switch, Float, 500mm Cable, Direct Load, 240V ac Max, 120V dc Max / 317932 (2 offers) 
Suitable for signal switching and for use with transistorised input/low power, suppressed coil miniature relays. Not suited for any inductive or inrush (e.g. filament lamps) loads. Cynergy3 Horizon...
Sensata / Cynergy3
RSF73Y050QM
£ 28.265*
per piece
 
 piece
Siemens Base Power Relay, 115V ac Coil, 10A Switching Current / 2176873 (2 offers) 
The Siemens has plug in relay having 3 changeover contacts for LZS socket. The switching behaviour of the relay is monostable. This relay has base mounting.Ambient temperature for operation is -40 ...
Siemens
LZX:PT370615
£ 10.60*
per piece
 
 piece
Siemens 30A Cartridge Fuse, 14 x 51mm / 396269 (1 offer) 
IEC 60269-4. UL, CSA. SITOR Cylindrical Fuses, Size 14 x 51 mm, Type aR. Semiconductor protection fuses, 3NC1 Series Operating class aR (full-range semiconductor protection) For protecting high-qua...
Siemens
3NC1430
£ 18.72*
per piece
 
 pieces
Siemens 3RF2 Series Solid State Relay, 50 A Load, DIN Rail Mount, 600 V Load, 24 V dc Control / 4674790 (2 offers) 
3RF23 Series. Complete unit comprising solid state relay and optimised heat sink IP20 rating Optimised heat transfer by DCB technology Efficient thyristors with high reverse voltage Screw connectio...
Siemens
3RF2350-1AA06
£ 92.46*
per piece
 
 piece
Sensata Cynergy3 RSF70 Series Horizontal External Polyphenylene Sulfide Float Switch, Float, 1m Cable, SPNO, 240V ac / 3389750 (2 offers) 
Suitable for signal switching and for use with transistorised input/low power, suppressed coil miniature relays. Not suited for any inductive or inrush (e.g. filament lamps) loads. Cynergy3 Horizon...
Sensata / Cynergy3
RSF76Y100RV
£ 34.292*
per piece
 
 piece
Siemens Base Power Relay, 230V ac Coil, 6A Switching Current / 2176875 (1 offer) 
The Siemens has plug in relay having 4 changeover contacts for LZS bracket, without test socket. The switching behaviour of relay is monostable. This relay has base mounting.Ambient temperature for...
Siemens
LZX:PT520730
£ 10.55*
per piece
 
 piece
Siemens 3RB 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
£ 160.635*
per piece
 
 piece
Siemens 3RF2 Series Solid State Relay, 50 A Load, Panel Mount, 460 V Load, 24 V dc Control / 4729121 (2 offers) 
Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet. 3RF20 Series. Self-contained unit Zero-cross switching IP20 Efficient thyristors with high reve...
Siemens
3RF2050-1AA04
£ 45.37*
per piece
 
 piece
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