Phase loss sensor W 300s1 Central Elektro

Product description

The phase loss sensor is a device that monitors the phase voltage of motors or other equipment. With its help, you can try to run them in open phase conditions or in single-phase mode, thus eliminating motor burnouts. It works on the principle of phase voltage, which occurs in a three-phase system. It also protects against phase loss.

It works on the principle of protecting the motor from possible voltages in power cables. It detects the operating power of the equipment in question, when there is a phase loss in any of the three phase modes, the wire loses or recharges power. A time delay of about 1.5 seconds has been introduced to eliminate the possibility of nuisance triggering.

Specifications:

• Rated voltage 3N AC 400/230V, 50Hz
  
• Type of operation continuous operation (C)
  
• Interference level normal (N)
  
• Lower cut-off voltage adjustable 160÷200V
  
• Shutdown/return time.approx. 3s
  
• Hysteresis approx. 5V
  
• Output contact 1P - changeover
  
• Current-carrying capacity of the contact 8A
  
• Rated contact voltage max. 400V AC
  
• Protection degree IP 20
  
• Housing type S1, 88x63x17.5mm (1 module)
  
• Connection screw terminals
  
• Mounting on TH35 rail, EN 50 022
  
• Weight of the device 60g