Phase failure relay W 310 s



Category: Phase failure relays (sensors)
Housing to mount on TH35 rail (3 modules)
Responds to the direction of rotation field
Adjustable: asymmetry and switch off time
Download instruction W 310 s
 
Net price: 94,00 zł
Three-phase failure relay without neutral conductor is designed to operate in the network without neutral (N), which allows you to install it, for example in the immediate vicinity of the pump pressure switch. Secures protected circuit against asymmetric and symmetric voltage drop.
Operation mode: continuous (C)
Noise level: normal (N)
Phase sequence control: No
Control of contactor contacts: No
Power supply from terminals: L1, L2, L3
Asymmetry: adjustable 3% ÷ 20%
Switch off time: adjustable 1s ÷ 12s
Return time: adjustable 1s ÷ 12s
Hysteresis: ca. 10V
Contact type: SPDT - change-over
Contact rated current: 8A
Rated voltage of the contact: max. 400V AC
Protection class: IP 20
Housing dimentions: type S3, 89x54x60 mm (3 modules)
Weight: 120g
Connections: screw terminals (up to 4mm2)
Manner of mounting: on TH35 rail
   
Rated supply voltage/frequency:  
W 310 s 3 AC 400/230V, 50Hz