Phase failure relay W 300 s1


Category: Phase failure relays (sensors)
Housing to mount on TH35 rail (1 module)
Download instruction W 300 s1
 
Net price: 62,00 zł
 

Phase failure relay protects three-phase motors from damage caused by the work at half power. The device switches off the power supply circuit coil that controls motor in case of asymmetry in different phases, in particular voltage decay in at least one of the phases.
Operation mode: continuous (C)
Noise level: normal (N)
Phase sequence control: No
Control of contactor contacts: No
Power supply from terminals: L1, N
Lower switch off voltage: adjustable 160V ÷ 200V
Switch off time: ca. 3s
Return time: ca. 3s
Hysteresis: ca. 5V
Contact type: SPDT - change-over
Contact rated current: 8A
Rated voltage of the contact: max. 400V AC
Protection class: IP 20
Housing dimentions: type S1, 88x63x17,5 mm (1 module)
Weight: 60g
Connections: screw terminals
Manner of mounting: on TH35 rail
   
Rated supply voltage/frequency:  
W 300 s1 3N AC 400/230V, 50Hz