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Three‑phase asynchronous motor 1LP with fitted DC‑excited spring‑operated brake

The naturally cooled crane motors of type 1LP4 and 1LP6 form a compact drive unit when combined with the fitted spring‑operated brake and are ideal for application as traversing motors. The DC‑operated brake is designed as a holding brake, but is also capable of emergency shutdown braking operations at maximum motor speed. In the case of power failure, the brake is applied automatically by its spring force and brings the drive to a standstill.

Product range

The product range includes shaft heights 132 S to 280 M in the 5.5 to 132 kW power range for 4‑pole motors, or in the 3 to 90 kW power range for 6‑pole motors, for duty type S3‑25 % in each case. As the table below shows, more than one type of brake can be fitted to a motor; this flexibility allows the user to tailor the drive unit – comprising the motor and brake – to the exact requirements of the crane manufacturer.

The motors can also be ordered without a brake. The same article numbers apply, but the article number supplements for the brake are excluded.

Motor shaft height

Brake type

 

KFB 10

KFB 16

KFB 25

KFB 30

KFB 40

KFB 63

KFB 100

KFB 160

 

100 Nm

160 Nm

250 Nm

300 Nm

400 Nm

630 Nm

1000 Nm

1600 Nm

132

 

 

 

 

 

 

 

160

 

 

 

 

 

 

180

 

 

 

200

 

 

 

 

225

 

 

 

 

250

 

 

280

 

 

 

 



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1LP4 and 1LP6, type of construction IM B3

with POG 10 pulse encoder

with brake and with POG 10 pulse encoder

For motor

Dimensions in mm

Shaft
height

Type

No. of
poles

A

AA

AB

AD

AG

B

B'

BA

BA'

BB

C

H

HA

K

K'

1)

1)

LL

132 S

1LP6130

4, 6

216

53

256

228

208

140

 

49

180

89

132

15

12

16

397

582

178

132 M

1LP6133

4, 6

216

53

256

228

208

178

 

49

218

89

132

15

12

16

397

582

178

1LP6134

6

397

582

160 M

1LP6163

4, 6

254

60

300

256

208

210

 

57

256

108

160

18

15

19

529

714

178

160 L

1LP6166

4, 6

254

60

300

256

208

254

 

57

300

108

160

18

15

19

529

714

178

180 M

1LP4183,
1LP6183

4

279

65

339

325

260

241

 

70

111

328

121

180

20

15

19

562

714

192

180 L

1LP4186,
1LP6186

4, 6

279

65

339

325

260

241

279

70

111

328

121

180

20

15

19

562

714

192

1LP4188,
1LP6188

4, 6

613

765

1LP4184

6

643

795

200 L

1LP4206,
1LP6206

6

318

70

378

385

300

305

 

80

80

355

133

200

25

19

25

617

764

236

1LP4207,
1LP6207

4, 6

617

764

1LP4208,
1LP6208

4, 6

617

764

1LP4204

4, 6

734

881

225 S

1LP4220,
1LP6220

4

356

80

436

410

300

286

 

85

110

361

149

225

34

19

25

670

830

236

225 M

1LP4223,
1LP6223

4, 6

356

80

436

410

300

286

311

85

110

361

149

225

34

19

25

670

830

236

1LP4228,
1LP6228

4, 6

730

890

1LP4224

6

780

910

250 M

1LP4253,
1LP6253

4, 6

406

100

490

500

380

349

 

100

100

409

168

250

40

24

30

764

930

307

1LP4258,
1LP6258

6

764

930

1LP4258,
1LP6258

4

834

1000

1LP4254

4, 6

834

1000

280 S

1LP4280,
1LP6280

4, 6

457

100

540

540

380

368

 

100

151

479

190

280

40

24

30

830

1005

307

280 M

1LP4283,
1LP6283

4, 6

457

100

540

540

380

368

419

100

151

479

190

280

40

24

30

830

1005

307

1LP4288,
1LP6288

6

830

1005

1LP4288,
1LP6288

4

940

1115

1LP4284

6

940

1115

1LP4284

4

990

1165



1) Dimensions L and L' on request for 1LP6 motors, shaft heights 180 M to 280 M.

1LP4 and 1LP6, type of construction IM B5

with POG 10 pulse encoder

 

Brake mounting

Brake

L'' with brake

mm

KFB 10

Max. 150

KFB 16

Max. 175

KFB 25

Max. 180

KFB 30

Max. 180

KFB 40

Max. 185

KFB 63

Max. 200

KFB 100

Max. 215

KFB 160

Max. 230



with brake and POG 10 pulse encoder

 

Brake mounting + POG 10

Brake

L* with brake
+ POG 10

mm

KFB 10

Max. 315

KFB 16

Max. 330

KFB 25

Max. 345

KFB 30

Max. 345

KFB 40

Max. 355

KFB 63

Max. 370

KFB 100

Max. 385

KFB 160

Max. 400



For motor

DE shaft extension

Flange dimensions

Shaft
height

Type

No. of poles

D

DB

E

EB

F

GA

LA

M

N

P

S

T

Z

132 S

1LP6130

4, 6

38

M12

80

70

10

41

12

265

230

300

14.5

4

4

132 M

1LP6133

4, 6

38

M12

80

70

10

41

12

265

230

300

14.5

4

4

1LP6134

6

160 M

1LP6163

4, 6

42

M16

110

90

12

45

13

300

250

350

18.5

5

4

160 L

1LP6166

4, 6

42

M16

110

90

12

45

13

300

250

350

18.5

5

4

180 M

1LP4183,
1LP6183

4

48

M16

110

100

14

51.5

13

300

250

350

18.5

5

4

180 L

1LP4186,
1LP6186

4, 6

48

M16

110

100

14

51.5

13

300

250

350

18.5

5

4

1LP4188,
1LP6188

4, 6

1LP4184

6

200 L

1LP4206,
1LP6206

6

55

M20

110

100

16

59

15

350

300

400

18.5

5

4

1LP4207,
1LP6207

4, 6

1LP4208,
1LP6208

4, 6

1LP4204

4, 6

225 S

1LP4220,
1LP6220

4

60

M20

140

125

18

64

16

400

350

450

18.5

5

8

225 M

1LP4223,
1LP6223

4, 6

60

M20

140

125

18

64

16

400

350

450

18.5

5

8

1LP4228,
1LP6228

4, 6

1LP4224

6

250 M

1LP4253,
1LP6253

4, 6

60

M20

140

125

18

64

16

400

350

450

18.5

5

8

1LP4258,
1LP6258

6

1LP4258,
1LP6258

4

1LP4254

4, 6

280 S

1LP4280,
1LP6280

4, 6

75

M20

140

125

20

79.5

18

500

450

550

22

6

8

280 M

1LP4283,
1LP6283

4, 6

75

M20

140

125

20

79.5

18

500

450

550

22

6

8

1LP4288,
1LP6288

6

1LP4288,
1LP6288

4

1LP4284

6

1LP4284

4



Protective element

Технические данные

Electrical design

Operating voltage

The crane brake motors are available for the following rated voltages:

  • 400 V 3 AC, 50 Hz
  • 460 V 3 AC, 50 Hz
  • 500 V 3 AC, 50 Hz
  • 690 V 3 AC, 50 Hz

The specifications change as follows for motors operating at a rated frequency of 60 Hz:

  • Rated speed +20 %
  • Rated power +15 %

The standard model of brake coil is supplied for connection to 207 V DC (see technical data for brakes).

Motor protection

The following protective equipment can be installed (see "Article number supplements and special versions"):

  • 3 PTC thermistors for tripping
  • 3 PTC thermistors for tripping and 3 PTC thermistors for alarm
  • 1 KTY 84‑130 temperature sensor for evaluation in the converter
  • 3 bimetallic switches (Klixon) for tripping

Standstill heating

The motors can be fitted with a standstill heater. The heat outputs are as follows:

Motor shaft height

Heat output

 

W

132 ... 160

100

180 ... 200

55

225 ... 250

92

280

109



For voltages, see "Article number supplements and special versions".

It is also possible to connect a voltage (which should equal approximately 4 to 10 % of the rated motor voltage) to stator terminals U1 and V1. 20 to 30 % of the rated motor current is normally sufficient to provide adequate heating.

Insulation

The motor windings are designed to comply with insulation class F.

Electric strength

See Catalog D 81.1.

Mechanical design

1LP4/1LP6 motors are naturally cooled units without fans. Depending on the shaft height, brakes with different torques can be built onto the motors. Housing and terminal box are made of gray cast iron. The brake itself does not have a separate terminal box; all the brake connections, whether coil, microswitch or heater, are taken to the motor terminal box.

Types of construction

The motors are available in types of construction IM B3, IM B35, IM V5, IM B5 and IM V1. Other types of construction are available on request.
The position of the condensate drain holes is determined by the type of construction.

Housing

The housing and terminal box of the motor are made of gray cast iron. The DE flange and the feet (bolted‑on) can be supplied in GGG 40 as an option.

Degree of protection

The degree of protection of the standard motor models is IP55. IP56 is also available as an option. The water drain holes on motors with this degree of protection must be opened at regular intervals as part of the maintenance cycle to allow any condensate that has collected inside the motor to drain off.

Paint finish

The motors are coated as standard in a special finish RAL 7030 with a coat thickness of 180 μm. Other colors are available at additional cost. A further option is an offshore finish with a coat thickness of 220 μm.

Mounted equipment

Sensing equipment such as the POG 10 incremental encoder (made by Baumer Hübner) can be mounted on the motors. The brakes themselves can be supplied with an emergency manual release mechanism (see spring‑operated brake for SIMOTICS SD 1LG4/1LG6, special version "Emergency release with hand lever").

Terminal box

On standard models, the terminal box is mounted on the top at the DE and is always the next size larger than on the basic models of the 1LG motor. The feet are cast on.

The terminal box can also be positioned on the left or right (as viewed from the DE), but this option is only possible on motors with bolted‑on feet. If the motor is to have bolted‑on feet and a terminal box positioned on top, options K11 and J22 must be selected in the order.

On motors with a brake, the terminal box is fitted at the NDE. The option M64 must be specified additionally.

All connecting terminals for the motor and brake including auxiliaries are housed in the motor terminal box.

Motor shaft height

Terminal box

Clamping bolt

Max. conductor cross‑section

Entry hole1)

Sealing range

 

 

 

mm2

 

mm

132, 160

GT320

M5

16

M40 × 1.5

19 to 28

180

GT421
(identical in construction to GK340)

M5

16

M40 × 1.5

19 to 28

200

GT591

M6

25

M50 × 1.5

27 to 35

225

GT591

M8

35

M50 × 1.5

27 to 35

250, 280

GT591

M10

120

M63 × 1.5

32 to 42



1) If the motor has been ordered with temperature sensor, an extra M20 × 1.5 hole is provided. If the motor has been ordered with heater, an extra M20 × 1.5 hole is provided.

Auxiliary terminal designations

Temperature sensor

Terminal designation

3 PTC thermistors for alarm

1TP1‑1TP2

3 PTC thermistors for tripping

2TP1‑2TP2

Bimetallic (NC contact)

2TP1‑2TP2

Standstill heater (motor)

HE1‑HE2

Brake coil DC

BA1‑BA2

Brake coil AC

BD1‑BD2

Standstill heater (brake)

BRHE1‑BRHE2

Microswitch brake opened

BRS1‑BRS3

Microswitch brake air gap monitoring

BRS1‑BRS3



Shaft extension

Standard brake motors are designed with a cylindrical shaft extension.

Maximum speed

The maximum permissible speed is 3000 rpm.

Bearing

Motor shaft height

DE bearing

NDE bearing

132

6208 2ZC3

6208 2ZC3

160

6209 2ZC3

6209 2ZC3

180

6210 ZC3

6210 ZC3

200

6212 ZC3

6212 ZC3

225

6213 ZC3

6213 ZC3

250

6215 ZC3

6215 ZC3

280

6217 C3

6217 C3



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