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 |
| weight, kg | 1,3 |
| size, mm | 150×160×55 |
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!