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  Phase unbalance relay  (1,233 offers of 5,775,201 product items)

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Dold Residual Current Monitoring Relay, 2 Phase, DPDT, DIN Rail / 1812768 (1 offer) 
For AC and DC systems Type B To detect earth faults in grounded voltage systems 4 setting ranges from 10 mA to 3 A Manual reset, with alarm and pre-warning With adjustable switching delay Energized...
DOLD
RN5883.12/61 AC/DC24-80V 10-3000mA 0-10s
from £ 494.863*
per piece
 
 piece
Dold Soft Starter, Soft Start, 4 kW, 480 V ac, 3 Phase, IP20 (Housing), IP40 (Terminal) / 1812799 (1 offer) 
• Up to 6 function in one unit - Reversing anticlockwise - Reversing clockwise - Softstart - Softstop - Current monitoring or motor protection - Galvanic separation via forcibly guided contacts con...
DOLD
UG9256.11/001/61
from £ 261.875*
per piece
 
 piece
Dold Phase Monitoring Relay, 3 Phase, DPDT, DIN Rail / 4650671 (1 offer) 
IEC/EN 60 255, DIN VDE 0435-303. CE. MK 9056N - Phase sequence relay. Detects phase sequence errors Output contact 2 changeovers Overall width: 22.5 mm. The MK 9056N monitors compliance with the ph...
DOLD
MK9056N.12 AC50/60Hz 380-500V
from £ 126.865*
per piece
 
 piece
Voltage monitoring relay; 24÷48VAC; 24÷48VDC; socket; SPDT; IP20 (1 offer) 
Manufacturer: CARLO GAVAZZI Mounting: socket Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24...48V DC;24...48V AC Leads: screw ter...
Carlo Gavazzi
PUC01CD48500V
from £ 138.20*
per piece
 
 piece
Dold Soft Starter, Soft Start, 3 kW, 460 V ac, 3 Phase, IP20, IP40 / 2409134 (1 offer) 
The BA9026 must not be operated with a capacitive load (e.g. reactive power compensation) at the output. In the decoupled state (without load), the starting behaviour is not particularly smooth. So...
DOLD
BA9026 3AC50/60Hz 200-460V 3kW
from £ 409.482*
per piece
 
 piece
Voltage monitoring relay; active power; 380÷415VAC; socket; SPDT (1 offer) 
Manufacturer: CARLO GAVAZZI Mounting: socket Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 380...415V AC Leads: sc...
Carlo Gavazzi
PWB03CM4810A
from £ 180.75*
per piece
 
 piece
Dold Soft Starter, Soft Start, 4 kW, 480 V ac, 3 Phase, IP20 (Terminal), IP40 (Housing) / 1812798 (1 offer) 
Reversing with relays without current, soft start, soft stop with thyristor Galvanic separated 24V-inputs for clockwise and anticlockwise Reset button on front Connection facility for external rese...
DOLD
UG9256.11/61 3AC200-480V 50/60Hz 9,0A UH=DC24V
from £ 265.185*
per piece
 
 piece
Voltage monitoring relay; 24÷48VAC; 24÷48VDC; socket; SPDT; IP20 (1 offer) 
Manufacturer: CARLO GAVAZZI Mounting: socket Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24...48V DC;24...48V AC Leads: screw ter...
Carlo Gavazzi
PUB01CD4810V
from £ 92.72*
per piece
 
 piece
Dold Standstill Monitoring Relay, 1, 3 Phase, 3PDT, Maximum of 4 V, DIN Rail / 1812784 (1 offer) 
No external sensors necessary Independent of direction Broken wire detection Forcibly guided safety contacts: 3 NO contacts, 1 NC contact for AC 250 V 2 semiconductor monitoring outputs 1 monitorin...
DOLD
LH5946.48/61 0,2-4V UH=DC24V 0,2-6s
from £ 614.341*
per piece
 
 piece
Dold Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail / 4459074 (1 offer) 
IEC 255, EN 60255, VDE 0435 part 303. Load monitor BH 9097. The load monitor is suitable for monitoring electrical industrial drive systems with variable motor loads. Features:. The BH 9097 load mo...
DOLD
BH9097.38/001 3AC400V AC40A
from £ 429.101*
per piece
 
 piece
Voltage monitoring relay; 85÷265VAC; for DIN rail mounting (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...50°C IP rating: IP20 Supply voltage: 85...265V AC Leads: screw terminals Contacts configuration: NO x3 Type of module:...
F&F
SZR-277
from £ 76.18*
per piece
 
 piece
Dold Standstill Monitoring Relay, 1, 3 Phase, 3PDT, DIN Rail / 1812783 (1 offer) 
No external sensors necessary Independent of direction Broken wire detection Forcibly guided safety contacts: 3 NO contacts, 1 NC contact for AC 250 V 2 semiconductor monitoring outputs 1 monitorin...
DOLD
LH5946.48/61 20-400mV UH=AC230V 0,2-6s
from £ 620.611*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; 120VAC; DPDT (1 offer) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 120V AC Leads:...
Crouzet
84872033
from £ 141.97*
per piece
 
 piece
Dold Standstill Monitoring Relay, 1, 3 Phase, 3PDT, Maximum of 4 V, DIN Rail / 1812785 (1 offer) 
Safe standstill detection on 3and single-phase motors No external sensors necessary Independent of direction Broken wire detection Forcibly guided safety contacts: 3 NO contacts, 1 NC contact for A...
DOLD
LH5946.48/61 0,2-4V UH=AC230V 0,2-6s
from £ 614.341*
per piece
 
 piece
Voltage monitoring relay; active power; 208÷240VAC; socket; SPDT (1 offer) 
Manufacturer: CARLO GAVAZZI Mounting: socket Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 208...240V AC Leads: screw terminals Typ...
Carlo Gavazzi
PWB02CM2310A
from £ 182.53*
per piece
 
 piece
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