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  Mains monitoring relay  (38,717 offers of 6,235,074 product items)

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Siemens 3RF2 Series Solid State Relay, 70 A Load, Screw Fitting, 600 V Load / 2104404 (1 offer) 
The Siemens solid-state contactor device are non-wearing and silent and are therefore ideal for noise-sensitive areas (offices, hospitals). They are also extremely reliable at high switching freque...
Siemens
3RF2370-3AA45
£ 155.865*
per piece
 
 piece
Siemens Auxiliary Switch Block, 4 Contact, 4NO, Snap-On, Sirius Innovation 3RH29 / 1363697 (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
3RH2911-4FA40
£ 14.919*
per piece
 
 piece
Siemens 1.5 → 3 A SIRIUS Motor Protection Unit, 110 → 240 V / 2130020 (1 offer) 
The Siemens 3UF7330-1AU00-0 is a Fail-safe digital module DM-F PROFIsafe, for fail-safe shutdown via bus/PROFIsafe, 2 relay enabling circuits, 2 relay outputs, 3 inputs, maximum achievable SIL IEC ...
Siemens
3UF7330-1AU00-0
£ 394.061*
per piece
 
 piece
Siemens N 530 Series Adapter, Bistable Relay Contact, 24 V dc / 2878654 (1 offer) 
Accessory Type = Switch Actuator Range = Gamma Instabus Series = N 530 Output Type = Bistable Relay Contact Supply Voltage = 24 V dc
Siemens
5WG1530-1DB51
£ 261.128*
per piece
 
 piece
Siemens 3RF29 Series Power Controller / 2113671 (1 offer) 
The Siemens SIRIUS 3RF29 series is a power controller for semiconductor solid-state relay/solid-state contactor with partial load monitoring. It has operating temperature 40 °C. The type of electri...
Siemens
3RF2950-0KA13
£ 298.796*
per piece
 
 piece
Siemens
LZX:PT270730
£ 11.01*
per piece
 
 piece
Siemens 16 A SIRIUS 3RV Motor Protection Circuit Breaker, 230 V / 2101604 (1 offer) 
The Siemens Circuit breaker size S00 for transformer protection with approval circuit breaker UL 489, CSA C22.2 No.5-02 A-release 15 A N-release 286 A screw terminal Standard switching capacity Cir...
Siemens
3RV2811-4AD10
£ 172.85*
per piece
 
 piece
Siemens N 532 Series Adapter, Bistable Relay Contact, 230 V ac / 2878658 (1 offer) 
Accessory Type = Switch Actuator Range = Gamma Instabus Series = N 532 Output Type = Bistable Relay Contact Supply Voltage = 230 V ac
Siemens
5WG1532-1DB61
£ 347.172*
per piece
 
 piece
Siemens 3RF34 Series Solid State Relay, 12.5 A Load, DIN Rail Mount, 480 V Load / 2130740 (2 offers) 
The Siemens solid-state contactor device are non-wearing and silent and are therefore ideal for noise-sensitive areas (offices, hospitals). They are also extremely reliable at high switching freque...
Siemens
3RF3412-1BB04
£ 134.83*
per piece
 
 piece
Siemens Base Power Relay, 24V ac Coil, 12A Switching Current / 2176870 (1 offer) 
The Siemens has plug in relay having 2 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:PT270524
£ 9.174*
per piece
 
 piece
Siemens 2.5 A SIRIUS 3RV Motor Protection Circuit Breaker, 230 V / 2101602 (1 offer) 
The Siemens Circuit breaker size S00 for transformer protection with approval circuit breaker UL 489, CSA C22.2 No.5-02 A-release 2.5 A N release 52 A screw terminal Standard switching capacity Cir...
Siemens
3RV2811-1CD10
£ 148.435*
per piece
 
 piece
Siemens N 535 Series Adapter, Bistable Relay Contact, 230 V ac / 2878662 (1 offer) 
Accessory Type = Switch Actuator Range = Gamma Instabus Series = N 535 Number of Outputs = 12 Supply Voltage = 230 V ac
Siemens
5WG1535-1DB61
£ 524.064*
per piece
 
 piece
Siemens 3RF34 Series Solid State Relay, 9.2 A Load, DIN Rail Mount, 480 V Load / 2164029 (1 offer) 
The Siemens solid-state contactor device are non-wearing and silent and are therefore ideal for noise-sensitive areas (offices, hospitals). They are also extremely reliable at high switching freque...
Siemens
3RF3410-2BB04
£ 161.592*
per piece
 
 piece
Siemens Current Monitoring Relay, 3 Phase, SPDT / 2550846 (1 offer) 
Monitoring Application = Current Electrical Phase = 3 Contact Configuration = SPDT Voltage Sensitivity = Overvoltage, Undervoltage
Siemens
3RR2442-2AA40
£ 253.052*
per piece
 
 piece
Siemens 25A Cartridge Fuse, 14 x 51mm / 396231 (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
3NC1425
£ 18.55*
per piece
 
 pieces
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