QRS/A series
Technical characteristics
| Rated voltage | 400 Vac |
| Rated frequency | 50 Hz |
| Rated power |
Referred to rated frequency and voltage
|
| Working temperature range | -25°C / +50°C |
| Cubicle |
Sheet steel, protected against corrosion by a phosphating treatment.
Epoxy powder painted, RAL 7035 colour (other colours on request).
External protection degree IP30.
Looking system: by screw
|
| Ventilation | Natural |
| Isolating switch |
Three-pole with door interlocking device
|
| Supply | Cable entry from the top |
| Wiring |
By FS17 450/750 flame retardant cables
|
| Fuses |
Each bank is protected by a set of three fuses (NH00 type) with high breaking capacity
|
| Capacitors |
Self-healing metallized polypropylene single-phase capacitors, equipped with overpressure safety device and discharge resistor.
Filling: biodegradable non toxic oil, PCB free.
Delta connection
|
| Series | 550 Vac |
| Capacitance tolerance: | -5%+10% |
| Dielectric losses: | <0,3 W/kvar |
| Temperature class: | -25/D(55°C) |
| Blocking Reactors: | Tuning frequency 180 Hz (3.6 = 7,7%) |
| Reference standard: | Comply to LV 2014/35/UE |
| Capacitor | CEI EN 60831-1/2 |
| Equipment | CEI EN 61439-1/2 CEI EN 61921 |
Standard types:
| Dimensions | Type | Power | Isolating switch | Current | Weight | Power |
|---|---|---|---|---|---|---|
| W x D x H mm | kVar – 400V | A | A | kg | kVar – 415V | |
| 551x500x900 | QRS/A | 12.5 | 40 | 18 | 30 | 13.5 |
| QRS/A | 25 | 80 | 36 | 36 | 27 | |
| QRS/A | 50 | 125 | 41 | 41 | 54 | |
| QRS/A | 75 | 250 | 108 | 54 | 81 |