Datasheet

204
SELECTOR SWITCHES
>
Characteristics
PR 12 PR 17 PR 21 PR 26 PR 40 PR 63 PR 125 PR 160
> Performance in AC 23 (kW)
(IEC 60 947-3)
Switching of motors or other
highly inductive loads
-
3x230V 4 5.5 7.5 11 15 18.5 --
-
3 x 400 V 7.5 11 11 11 22 25 - -
- 3 x 500 V 5.5 11 11 11 25 25 - -
- 3 x 690 V 4 10 10 11 18.5 22 - -
> Performance in AC 3
(IEC 60 947-3)
Control of squirrel-cage motors
starting and switching off motors while running
-InkW
-
3 x 230 V 3 4 4 5.5 11 15 - -
- 3 x 400 V 4 7.5 7.5 11 18.5 22 - -
- 3 x 500 V 5.5 7.5 7.5 11 18.5 22 - -
- 3 x 690 V 3 7.5 7.5 11 18.5 22 - -
- In HP (for reference)
-
3 x 230 V 4 5.5 5.5 7.5 15 20 - -
- 3 x 400 V 5.5 10 10 15 25 30 - -
- 3 x 500 V 7.5 10 10 15 25 30 - -
- 3 x 690 V 4 10 10 15 25 30 - -
> Rated insulation voltage Ui (V) 690 690 690 690 690 690 690 690
- Max. rated voltage Ue(v) IEC 690 690 690 690 690 690 690 690
- CSA (Canada) 600 600 600 600 600 600 600 600
-UL(USA) 600 600 600 600 600 600 600 600
> Ra
ted short time withstand current
Icw(A)for1sec 300 400 420 800 1200 1500 2400 3000
> Maximum wire size (mm
2
)
- rigid
46/4
(1)
6/4
(1) 6 16 16
ø 8 screw for eyelet
- flexible
2.5 4 4 6 16 16 ø 8 screw for eyelet
(1): These values correspond to terminals with jumpers
> Mechanical durability 1,250,000 operations, maximum rate 150 operations per hour
> Operating temperature limits - 20°C to + 70°C (beyond these limits consult us)
> Rated operating current in DC-1
low inductive loads
(< 1 ms)
Rated operating current Ie (A) 24 V DC
16 20 25 32 50 63 --
Ie (A): rated current for breaking 1 contact. For higher voltages you must use a reduction coefficient K in the following graph
Technical characteristics
K
1
0,9
0,8
0,7
0,6
0,5
0,4
0,3
0,2
0,1
0
24 48 60 95 120 220 440 volts
breaking 1 contact breaking 2 contacts in series
reduction coefficient K for rated operating current in DC-1 continuous current