|
BS Pattern Catalog No. |
ETSF315B3 |
ETSF400B3 |
|
|
|
| Rated Insulation Voltage |
|
|
750V |
750V |
|
|
|
|
|
| Rated thermal current & operational |
In free air |
660V |
315A |
400A |
| current AC22 Ambient temp. 40°C
|
In enclosure (no
ventilation) |
660V |
290A |
345A |
|
free mounting position. note (1) |
In enclosure (solid links) |
660V |
400A |
450A |
|
|
|
|
|
|
| Rated Operational voltage |
|
|
|
660V |
660V |
|
|
|
|
|
|
| Rated operational current in categories |
|
|
220V |
315A |
400A |
| AC23 and AC3. Time interval between |
|
|
380V |
315A |
400A |
| operations 20 seconds in AC3. |
|
|
415V |
315A |
400A |
| |
|
|
660V |
315A |
400A |
|
|
|
|
|
|
| Rated operational current DC23 |
Two poles in series |
110V |
315A |
400A |
| |
Two poles in series |
220V |
315A |
400A |
| |
Three poles in series |
440V |
300A |
400A |
|
|
|
|
|
|
| Rated operational power in categories |
|
220V |
90kW |
110kW |
| AC23 and AC3. Time interval |
|
|
380V |
160kW |
210kW |
| between operations |
|
|
415V |
180kW |
230kW |
| 20 seconds in AC3
note (2) |
|
|
500V |
220kW |
280kW |
| |
|
|
660V |
290kW |
330kW |
|
|
|
|
|
|
| Rated breaking capacity |
|
|
500V |
3200A |
3200A |
| AC23.COSø
= 0.35 |
|
|
660V |
3200A |
3200A |
|
|
|
|
|
|
| Rated breaking capacity |
|
|
110V |
1600A |
1600A |
| DC, L/R = 15mS |
|
|
220V |
1600A |
1600A |
| |
|
|
440V |
1600A |
1600A |
|
|
|
|
|
|
| Rated fused short circuit
current |
R.M.S. |
value |
500V |
100kA |
100kA |
| and making capacity on |
Peak |
value |
500V |
220kA |
220kA |
| fault level ......... |
R.M.S. |
value |
660V |
100kA |
50kA |
| |
Peak |
value |
660V |
220kA |
105kA |
|
|
|
|
|
|
| ........with back up fuses
of rating |
|
|
|
315A |
400A |
| Maximum peak let through
current |
|
|
660V |
45kA |
45KA |
| Rated short-time withstand
current 1sec |
|
|
660V |
10kA |
10kA |
| Rated capacitor power
note (3) |
|
|
380V |
145kVAr |
180kVAr |
| |
|
|
415V |
160kVAr |
200kVAr |
|
|
|
|
|
|
| Mechanical / Electrical
endurance |
|
3-pole switch
fuses |
10000/1000 |
10000/1000 |
| at rated current PF
0.65 |
|
|
|
operations |
operations |
|
|
|
|
|
|
| Fuse types BS pattern |
|
BS88 |
|
B1-B3 |
B1-B4 |
| distance of fixing holes |
|
|
|
111mm |
111mm |
|
|
|
|
|
|
|
Weight |
|
3-pole switch fuses |
7.3kg |
7.8kg |
CONTROLS
& SWITCHGEAR
