Power supply safety block B3-1 is generally intended for selective communication device protection against voltage jumping while thunderstorm. Size 150х160х55 mm.
|input supply voltage|
|─ alternating voltage||220±20 V, 50 Hz|
|─ direct-current voltage||24±5 V|
|output supply voltage, V|
|─ alternating voltage 220 V, 50 Hz, V||20±4|
|─ external power supply 24 V, V||23±5|
|loading current, маx А||0,3|
|quantity of protected communication lines||2|
|discontinuous jamming resistance as per GOST Standart R51317.4 min, кV|
|─ «wire-wire» selective communication lines||4|
|─ «communication lines wire — network wire 220 V»||5|
|─ «communication lines wire — short to ground»||8|
|─ «wire-wire» feedline 220 V||4|
|insulation strength, min, kV||4|
|dielectric resistance, min, МОm||200|
Power supply safety block B3-1 is generally intended for selective communication device protection against voltage jumping while thunderstorm; selective communication lines protection and device power.
Similar equipment: SCHV.
Power supply safety block B3-1 distinctive features:
lines- and circuits protection
low output disturbance
We deliver the equipment around the country and the CIS region!