LEYBOLD ScrewLine SP250 - Page 39

Installation
39
GA02412_002_C0 - 10/2016 - © Leybold
The connection cable and the two connection wires of the PTC thermistor
must be rated for operation up to 105 °C.
In case the temperature resistance is lower (for example 80 °C) the individual
wires in the junction box of the pump need to be protected using the
en closed silicon hose pieces against thermal stress.
14
15
16
17
18
19
20
36 0 370 380 390 400 410 420430 440
U / V
28
30
32
34
36
38
40
180 185 190 195 200 205 210 215 220
14
15
16
17
18
19
20
360 380 400 420 440 460 480 500 520
U / V
28
29
30
31
32
33
34
35
36
3
38
180 190 200 210 220 230 240 250 260
I / A
I / A
I / A
I / A
ΔΔ
ΔΔ
Δ
Δ
ΔΔ
ΔΔ
Δ
Δ
Diagram 3.1 Characteristic of the motor protection switch for delta circuit (Symbol ∆ respectively ∆∆ )
Nominal current of the pump as a function of nominal voltage at 50 Hz for SP 250
14
15
16
17
18
19
20
36 0 370 380 390 400 410 420430 440
U / V
28
30
32
34
36
38
40
180 185 190 195 200 205 210 215 220
14
15
16
17
18
19
20
360 380 400 420 440 460 480 500 520
U / V
28
29
30
31
32
33
34
35
36
3
38
180 190 200 210 220 230 240 250 260
I / A
I / A
I / A
I / A
ΔΔ
ΔΔ
Δ
Δ
ΔΔ
ΔΔ
Δ
Δ
Diagram 3.1.1 Characteristic of the motor protection switch for delta circuit (Symbol ∆ respectively ∆∆ )
Nominal current of the pump as a function of nominal voltage at 60 Hz for SP 250