28 Softstarters | 1SFC132005C0201, rev. M

1SFC132005C0201, rev. M | Softstarters 29

PSE – The efficient range

Overview

PSE18 ... PSE105

Softstarter, type

Normal start

In-line connected

PSE18

PSE25

PSE30

PSE37

PSE45

PSE60

PSE72

PSE85

PSE105

(400 V) kW

7.5

11

15

18.5

22

30

37

45

55

IEC, max. A

18

25

30

37

45

60

72

85

106

(440-480 V) hp

10

15

20

25

30

40

50

60

75

UL, max FLA

18

25

28

34

42

60

68

80

104

400 V, 40 ºC

Using MCCB only, type 1

coordination will be achieved

MCCB (35 kA), type

T2N160

T3N250

MCCB (50 kA), type

T2S160

T3S250

To achieve type 2 coordina-

tion, semi-conductor fuses

must be used

Fuse protection (85 kA), Semiconductor fuses, Bussmann, type

170M1563

170M1564

170M1566

170M1567

170M1568

170M1569

170M1571

170M1572

170M3819

Suitable switch fuse for re-

commended semi-conductor

fuses

Switch fuse, type

OS32GD03P

OS63GD03P

OS125GD03P

OS250D03P

The line contactor is not

required for the softstarter

itself but often used to open

if OL trips

Line contactor, type

AF26

AF30

AF38

AF52

AF65

AF80

AF96

AF116

Overload protection is used

to protect the motor from

over heating

Electronic overload relay, type

Built-in

The by-pass will reduce the

power loss of the softstarter.

By-pass, type

Built-in

The table above is an overview of possible combinations of devices.

PSE – The efficient range

Overview

PSE142 ... PSE170

PSE210 ... PSE370

Softstarter, type

Normal start

In-line connected

PSE142

PSE170

PSE210

PSE250

PSE300

PSE370

(400 V) kW

75

90

110

132

160

200

IEC, max. A

143

171

210

250

300

370

(440-480 V) hp

100

125

150

200

250

300

UL, max FLA

130

169

192

248

302

361

400 V, 40 ºC

Using MCCB only, type 1

coordination will be achieved

MCCB (35 kA), type

T3N250

T4N320

T5N400

T5N630

MCCB (50 kA), type

T3S250

T4S320

T5S400

T5S630

To achieve type 2 coordina-

tion, semi-conductor fuses

must be used

Fuse protection (85kA), Semiconductor fuses, Bussmann, type

170M5809

170M5810

170M5812

170M5813

170M6812

170M6813

Suitable switch fuse for re-

commended semi-conductor

fuses

Switch fuse, type

OS400D03P

OS630D03P

The line contactor is not

required for the softstarter

itself but often used to open

if OL trips

Line contactor, type

AF140

AF190

AF205

AF265

AF305

AF370

Overload protection is used

to protect the motor from

over heating

Electronic overload relay, type

Built-in

The by-pass will reduce the

power loss of the softstarter.

By-pass, type

Built-in

Quick guide for selection

Normal start class 10

Heavy-duty start class 30

Ordering - see page 30

Ordering - see page 31

Typical applications

• Bow thruster • Centrifugal pump

• Centrifugal fan

• Conveyor belt (long)

• Compressor

• Conveyor belt (short)

• Crusher

• Mill

• Elevator

• Escalator

• Mixer

• Stirrer

If more than 10 starts/h

How to select the correct size

By using the guide here, you can quickly

select a suitable softstarter for the most

common applications.

If a more precise selection is required,

you can use the softstarer selection tool