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maxon EC-4pole This 4-pole power motor is one of the best in its class and demonstrates excellent performance thanks to maxon’s winding technology: top performance per volume and weight unit, quality and security thanks to largely automated production, cogging-free motion and of course an unprecedented service life.

Summary 210

EC-4pole motors 22–32 mm in diameter 211–216

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The EC-motor program delivers top performance

per volume and weight unit.

The motor housing, a simple tube made of stainless steel – non magnetic, rigid, rustproof.

Non-tension cables can be directed both radially and axially from the motor. Wide range of plug options.

Metallic housing and flange allow good heat dissipation and mechanical stability.

Shaft with no groove gua-rantees torsional stability and smooth running.

The «heart» is the ironless winding, System maxon®. This means physi-cally dependent – advantages like no detent, high efficiency and excellent regulating dynamics.

High quality, thanks to a pro-cess monitored production on the most modern assembly lines which are, in part, developed by maxon.

High performance capability thanks to the 4-pole magnet.

maxon EC-4pole program

211211

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18 24 36 48 4816300 16300 16300 16300 6900

221 166 110 82.8 21.114600 14700 14700 14700 532051.8 53.5 51.8 50.5 51.35.07 3.92 2.54 1.86 0.788588 639 612 586 23455.8 45.5 29.1 20.9 3.5588 89 88 88 85

0.323 0.527 1.24 2.3 13.50.0283 0.0503 0.113 0.201 1.11

10.5 14 21.1 28.1 66907 680 453 340 14527.8 25.5 26.7 27.9 29.71.61 1.48 1.55 1.62 1.725.54 5.54 5.54 5.54 5.54

M 1:1

323217 323218 323219 323220 327739

9.08 K/W 0.904 K/W 3.89 s 358 s -20…+100°C +155°C

< 5.0 N 0 mm > 5.0 N 0.14 mm

4 N 53 N

1000 N 16 N

2 3 125 g

ESCON Mod. 50/5 343ESCON Mod. 50/4 EC-S 343ESCON 50/5 344ESCON 70/10 344DEC Module 50/5 346EPOS2 24/5 351EPOS2 50/5, 70/10 351EPOS2 P 24/5 354EPOS3 70/10 EtherCAT 357MAXPOS 50/5 360

May 2014 edition / subject to change maxon EC motor

Stock programStandard programSpecial program (on request)

Part Numbers

Specifications Operating Range Comments

n [rpm] Continuous operationIn observation of above listed thermal resistance (lines 17 and 18) the maximum permissible wind-ing temperature will be reached during continuous operation at 25°C ambient.= Thermal limit.

Short term operationThe motor may be briefly overloaded (recurring).

Assigned power rating

maxon Modular System Overview on page 20–25

EC-4pole 22 ∅22 mm, brushless, 90 WattHigh Power

Motor Data Values at nominal voltage

1 Nominal voltage V2 No load speed rpm3 No load current mA4 Nominal speed rpm5 Nominal torque (max. continuous torque) mNm6 Nominal current (max. continuous current) A7 Stall torque mNm8 Stall current A9 Max. efficiency %

Characteristics10 Terminal resistance phase to phase W11 Terminal inductance phase to phase mH12 Torque constant mNm/A13 Speed constant rpm/V14 Speed/torque gradient rpm/mNm15 Mechanical time constant ms16 Rotor inertia gcm2

Thermal data17 Thermal resistance housing-ambient 18 Thermal resistance winding-housing 19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature

Mechanical data (preloaded ball bearings)23 Max. speed 25 000 rpm24 Axial play at axial load

25 Radial play preloaded26 Max. axial load (dynamic) 27 Max. force for press fits (static)

(static, shaft supported) 28 Max. radial load, 5 mm from flange

Other specifications29 Number of pole pairs 30 Number of phases 31 Weight of motor

Values listed in the table are nominal.

Connection motor (Cable AWG 20) red Motor winding 1 white Motor winding 3 black Motor winding 2 Connection sensors (Cable AWG 26) red/grey Hall sensor 1 black/grey Hall sensor 2 white/grey Hall sensor 3 green VHall 3…24 VDC blue GND

Planetary Gearhead∅22 mm2.0 - 3.4 NmPage 266Planetary Gearhead∅32 mm1.0 - 6.0 NmPage 277Spindle Drive∅32 mmPage 301–303 Recommended Electronics:

Page

Notes 24

Encoder HEDL 5540500 CPT,3 channelsPage 330

Encoder SCH16F2000 - 3600 CPT,3 channelsPage 322

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18 24 36 4816800 16900 17800 16900

298 223 166 11215500 15600 16600 1560064.1 64.9 64.8 64.86.53 4.95 3.5 2.47874 954 1090 102086 70.4 56.8 37.789 89 90 90

0.209 0.341 0.634 1.270.0173 0.0308 0.0618 0.12310.2 13.5 19.2 27.1940 705 497 35219.4 17.7 16.4 16.61.81 1.65 1.53 1.548.91 8.91 8.91 8.91

M 1:1

311535 311536 311537 311538

8.01 K/W 1 K/W 6.45 s 701 s -20…+100°C +155°C

< 5.0 N 0 mm > 5.0 N 0.14 mm

4 N 53 N

600 N 16 N

2 3 175 g

ESCON Mod. 50/5 343ESCON Mod. 50/4 EC-S 343ESCON 50/5 344ESCON 70/10 344DEC Module 50/5 346EPOS2 24/5 351EPOS2 50/5 351EPOS2 70/10 351EPOS2 P 24/5 354EPOS3 70/10 EtherCAT 357MAXPOS 50/5 360

maxon EC motor May 2014 edition / subject to change

Stock programStandard programSpecial program (on request)

Part Numbers

Specifications Operating Range Comments

n [rpm] Continuous operationIn observation of above listed thermal resistance (lines 17 and 18) the maximum permissible wind-ing temperature will be reached during continuous operation at 25°C ambient.= Thermal limit.

Short term operationThe motor may be briefly overloaded (recurring).

Assigned power rating

maxon Modular System Overview on page 20–25

EC-4pole 22 ∅22 mm, brushless, 120 WattHigh Power

Motor DataValues at nominal voltage

1 Nominal voltage V2 No load speed rpm3 No load current mA4 Nominal speed rpm5 Nominal torque (max. continuous torque) mNm6 Nominal current (max. continuous current) A7 Stall torque mNm8 Stall current A9 Max. efficiency %

Characteristics10 Terminal resistance phase to phase W11 Terminal inductance phase to phase mH12 Torque constant mNm/A13 Speed constant rpm/V14 Speed/torque gradient rpm/mNm15 Mechanical time constant ms16 Rotor inertia gcm2

Thermal data17 Thermal resistance housing-ambient 18 Thermal resistance winding-housing 19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature

Mechanical data (preloaded ball bearings)23 Max. speed 25 000 rpm24 Axial play at axial load

25 Radial play preloaded26 Max. axial load (dynamic) 27 Max. force for press fits (static)

(static, shaft supported) 28 Max. radial load, 5 mm from flange

Other specifications29 Number of pole pairs 30 Number of phases 31 Weight of motor

Values listed in the table are nominal.

Connection motor (Cable AWG 20) red Motor winding 1 white Motor winding 3 black Motor winding 2 Connection sensors (Cable AWG 26) red/grey Hall sensor 1 black/grey Hall sensor 2 white/grey Hall sensor 3 green VHall 3…24 VDC blue GND

Planetary Gearhead∅22 mm2.0 - 3.4 NmPage 266Planetary Gearhead∅32 mm1.0 - 6.0 NmPage 277Spindle Drive∅32 mmPage 301–303

Recommended Electronics: Page

Notes 24

Encoder HEDL 5540500 CPT,3 channelsPage 330

Encoder SCH16F2000 - 3600 CPT,3 channelsPage 322

213213

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18 24 36 4817800 17800 17800 17800

719 539 360 27016700 16700 16800 1680070.1 66.9 72.4 71.57.91 5.69 4.07 3.021280 1240 1480 1470133 96.9 77.2 57.486 86 87 87

0.135 0.248 0.466 0.8360.0166 0.0295 0.0664 0.1189.58 12.8 19.2 25.5997 748 499 37414.1 14.5 12.1 12.22.7 2.78 2.33 2.35

18.3 18.3 18.3 18.3

M 1:2

10025000

5000

10000

15000

20000

2.0 4.0 8.06.0 10.0

20 40 80 10060

309756

309755 309756 309757 309758

7.95 K/W 0.831 K/W 4.63 s 859 s -20…+100°C +155°C

< 8.0 N 0 mm > 8.0 N 0.14 mm

5.5 N 73 N

2000 N 25 N

2 3 210 g

ESCON Mod. 50/5 343ESCON Mod. 50/4 EC-S 343ESCON 50/5 344ESCON 70/10 344EPOS2 50/5 351EPOS2 70/10 351EPOS3 70/10 EtherCAT 357MAXPOS 50/5 360

May 2014 edition / subject to change maxon EC motor

Stock programStandard programSpecial program (on request)

Part Numbers

Specifications Operating Range Comments

n [rpm] Continuous operationIn observation of above listed thermal resistance (lines 17 and 18) the maximum permissible wind-ing temperature will be reached during continuous operation at 25°C ambient.= Thermal limit.

Short term operationThe motor may be briefly overloaded (recurring).

Assigned power rating

maxon Modular System Overview on page 20–25

EC-4pole 30 ∅30 mm, brushless, 100 WattHigh Power

Motor DataValues at nominal voltage

1 Nominal voltage V2 No load speed rpm3 No load current mA4 Nominal speed rpm5 Nominal torque (max. continuous torque) mNm6 Nominal current (max. continuous current) A7 Stall torque mNm8 Stall current A9 Max. efficiency %

Characteristics10 Terminal resistance phase to phase W11 Terminal inductance phase to phase mH12 Torque constant mNm/A13 Speed constant rpm/V14 Speed/torque gradient rpm/mNm15 Mechanical time constant ms16 Rotor inertia gcm2

Thermal data 17 Thermal resistance housing-ambient 18 Thermal resistance winding-housing 19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature

Mechanical data (preloaded ball bearings)23 Max. speed 25 000 rpm24 Axial play at axial load

25 Radial play preloaded26 Max. axial load (dynamic) 27 Max. force for press fits (static)

(static, shaft supported) 28 Max. radial load, 5 mm from flange

Other specifications29 Number of pole pairs 30 Number of phases 31 Weight of motor

Values listed in the table are nominal.

Connection motor (Cable AWG 18) black Motor winding 2 white Motor winding 3 red Motor winding 1 Connection sensors (Cable AWG 26) black/grey Hall sensor 2 blue GND green VHall 3…24 VDC red/grey Hall sensor 1 white/grey Hall sensor 3

Planetary Gearhead∅32 mm8 NmPage 279Planetary Gearhead∅42 mm3 - 15 NmPage 284

Recommended Electronics: Page

Notes 24

Encoder MR128 - 1000 CPT,3 channelsPage 319

Encoder HEDL 5540500 CPT,3 channelsPage 330Brake AB 2024 VDC0.1 NmPage 370

Encoder 2RMHF3000 - 5000 CPT,3 channelsPage 323

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24 36 4816700 16700 16500728 485 356

15900 15900 15700135 134 13210.5 6.96 5.063220 3510 3430236 171 12489 90 90

0.102 0.21 0.3860.0163 0.0368 0.0653

13.6 20.5 27.6700 466 3465.21 4.78 4.831.82 1.67 1.6933.3 33.3 33.3

M 1:2

305013 305014 305015

5.3 K/W 0.209 K/W 2.11 s 848 s -20…+100°C +155°C

< 8.0 N 0 mm > 8.0 N 0.14 mm

5.5 N 73 N

1300 N 25 N

2 3 300 g

ESCON Mod. 50/5 343ESCON Mod. 50/4 EC-S 343ESCON 50/5 343ESCON 70/10 344EPOS2 50/5 351EPOS2 70/10 351EPOS3 70/10 EtherCAT 357MAXPOS 50/5 360

maxon EC motor May 2014 edition / subject to change

Stock programStandard programSpecial program (on request)

Part Numbers

Specifications Operating Range Comments

n [rpm] Continuous operationIn observation of above listed thermal resistance (lines 17 and 18) the maximum permissible wind-ing temperature will be reached during continuous operation at 25°C ambient.= Thermal limit.

Short term operationThe motor may be briefly overloaded (recurring).

Assigned power rating

maxon Modular System Overview on page 20–25

EC-4pole 30 ∅30 mm, brushless, 200 WattHigh Power

Motor DataValues at nominal voltage

1 Nominal voltage V2 No load speed rpm3 No load current mA4 Nominal speed rpm5 Nominal torque (max. continuous torque) mNm6 Nominal current (max. continuous current) A7 Stall torque mNm8 Stall current A9 Max. efficiency %

Characteristics10 Terminal resistance phase to phase W11 Terminal inductance phase to phase mH12 Torque constant mNm/A13 Speed constant rpm/V14 Speed/torque gradient rpm/mNm15 Mechanical time constant ms16 Rotor inertia gcm2

Thermal data17 Thermal resistance housing-ambient 18 Thermal resistance winding-housing 19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature

Mechanical data (preloaded ball bearings)23 Max. speed 25 000 rpm24 Axial play at axial load

25 Radial play preloaded26 Max. axial load (dynamic) 27 Max. force for press fits (static)

(static, shaft supported) 28 Max. radial load, 5 mm from flange

Other specifications29 Number of pole pairs 30 Number of phases 31 Weight of motor

Values listed in the table are nominal.

Connection motor (Cable AWG 18) black Motor winding 2 white Motor winding 3 red Motor winding 1 Connection sensors (Cable AWG 26) black/grey Hall sensor 2 blue GND green VHall 3…24 VDC red/grey Hall sensor 1 white/grey Hall sensor 3

Planetary Gearhead∅32 mm8 NmPage 279Planetary Gearhead∅42 mm3 - 15 NmPage 284

Encoder MR128 - 1000 CPT,3 channelsPage 319

Encoder HEDL 5540500 CPT, 3 channelsPage 330Brake AB 2024 VDC0.1 NmPage 370

Encoder 2RMHF3000 - 5000 CPT,3 channelsPage 323

Recommended Electronics: Page

Notes 24

215215

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25 100 150 20048 48 48 48

6470 6650 6770 6890149 113 109 1075710 5870 6080 6470339 261 196 1044.87 3.85 2.98 1.673350 2520 2150 186047.5 36.7 31.9 28.189 89 89 88

1.01 1.31 1.51 1.710.298 0.298 0.298 0.29870.5 68.7 67.4 66.2135 139 142 1441.94 2.65 3.16 3.712.6 3.55 4.24 4.98128 128 128 128

M 1:2

397798393879

12000

6000

3000

50 100 150 200 250 300 M [mNm]

1.0 I [A]3.0 4.5

220 W

150 W80

W

6.0

9000

3.69 K/W 0.734 K/W 23.5 s 1350 s -55 … +200°C +240°C

< 20 N 0 mm > 20 N max. 0.14 mm

16 N 80 N 3000 N 75 N

2 3 860 g

May 2014 edition / subject to change maxon EC motor

Stock programStandard programSpecial program (on request)

Part Numbers

EC-4pole 32 ∅32 mm, brushless, 220 WattHeavy Duty – for applications in air

Values at nominal voltage and ambient temperature °C1 Nominal voltage V2 No load speed rpm3 No load current mA4 Nominal speed1) rpm5 Nominal torque (max. continuous torque)1) mNm6 Nominal current (max. continuous current) A7 Stall torque mNm8 Stall current A9 Max. efficiency %

Characteristics10 Terminal resistance phase to phase W11 Terminal inductance phase to phase mH12 Torque constant mNm/A13 Speed constant rpm/V14 Speed / torque gradient rpm/mNm15 Mechanical time constant ms16 Rotor inertia gcm2

1) Values for operation in thermal equilibrium.

Thermal data17 Thermal resistance housing-ambient 18 Thermal resistance winding-housing 19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature

Mechanical data (preloaded ball bearings)23 Max. speed 12 000 rpm24 Axial play at axial load 25 Radial play preloaded26 Max. axial load (dynamic) 27 Max. force for press fits (static) (static, shaft supported) 28 Max. radial load, 5 mm from flange

Other specifications29 Number of pole pairs 30 Number of phases 31 Weight of motor (sensorless)

Connection A, motor cable PTFE (AWG 14) red Motor winding 1 black Motor winding 2 white Motor winding 3 Connection A, sensors cable PTFE (AWG 24) green VHall 4.5…24 V blue GND red Hall sensor 1 black Hall sensor 2 white Hall sensor 3 Connection B, motor cable PTFE (AWG 14) red Motor winding 1 black Motor winding 2 white Motor winding 3

Motor Data (provisional)

A with Hall sensorsB sensorless

Operating Range Comments

n [rpm] TA = 25°C

TA = 100°C

TA = 150°C

TA = 200°C

Continuous operationIn observation of above listed thermal resistance (lines 17 and 18) the maximum permissible win-ding temperature will be reached during continuous operation at 25°C ambient.= Thermal limit.

Short term operationThe motor may be briefly overloaded (recurring).

Assigned power rating

Specifications

Application NoticeGeneral– extreme temperature applications– vibration tested (according to MIL-STD810F/Jan2000

Fig. 514.5C-10)– ultra-high vacuum applications

(low outgassing, can be baked out at 240°C)Aerospace– gas turbine starter/generators for aircraft engines– regulation of combustion enginesOil & Gas Industry– oil, gas and geothermal wellsRobotics– robotic exploration vehiclesIndustry– pumps and valves for liquid metal cooling systems/turbine fuel

and steam control– valve adjustment for gas and steam power plants

This motor contains leaded solder. It therefore does not fulfill the requirements for the permitted maximum concentration of hazardous substances in accordance with the EC directive 2011/65/EC (RoHS) for all applications. The motor may there-fore only be used for devices that are not subject to this directive.

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25 100 150 20048 48 48 48

6420 6630 6750 6860482 222 212 2164350 4420 4700 5340961 762 596 37913.5 10.9 8.75 5.783350 2520 2150 186047.5 36.7 31.9 28.182 85 85 84

1.01 1.31 1.51 1.710.298 0.298 0.298 0.29870.5 68.7 67.4 66.2135 139 142 1441.94 2.65 3.16 3.712.85 3.88 4.64 5.45140 140 140 140

397799397800

M 1:2

12000

9000

6000

200 400 600 800 M [mNm]

4.0 I [A]8.0 12.0

480 W

350 W

250 W

3000

16.0

0.284 K/W 0.305 K/W 9.78 s 104 s -55 … +200°C +240°C

< 20 N 0 mm > 20 N max. 0.14 mm

16 N 80 N 3000 N 75 N

2 3 860 g

maxon EC motor May 2014 edition / subject to change

Stock programStandard programSpecial program (on request)

Part Numbers

maxon Modular System Overview on page 20–25

Specifications Operating Range Comments

n [rpm] Continuous operationIn observation of above listed thermal resistance (lines 17 and 18) the maximum permissible winding temperature will be reached during continuous operation at 25°C ambient.= Thermal limit.

Short term operationThe motor may be briefly overloaded (recurring).

Assigned power rating

EC-4pole 32 ∅32 mm, brushless, 480 WattHeavy Duty – for applications in oil

Values at nominal voltage and ambient temperature °C1 Nominal voltage V2 No load speed rpm3 No load current mA4 Nominal speed1) rpm5 Nominal torque (max. continuous torque)1) mNm6 Nominal current (max. continuous current) A7 Stall torque mNm8 Stall current A9 Max. efficiency %

Characteristics10 Terminal resistance phase to phase W11 Terminal inductance phase to phase mH12 Torque constant mNm/A13 Speed constant rpm/V14 Speed / torque gradient rpm/mNm15 Mechanical time constant ms16 Rotor inertia gcm2

1) Values for operation in thermal equilibrium.

Thermal data17 Thermal resistance housing-ambient 18 Thermal resistance winding-housing 19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature

Mechanical data (preloaded ball bearings)23 Max. speed 12 000 rpm24 Axial play at axial load 25 Radial play preloaded26 Max. axial load (dynamic) 27 Max. force for press fits (static) (static, shaft supported) 28 Max. radial load, 5 mm from flange

Other specifications29 Number of pole pairs 30 Number of phases 31 Weight of motor (sensorless)

Connection A, motor cable PTFE (AWG 14) red Motor winding 1 black Motor winding 2 white Motor winding 3 Connection A, sensors cable PTFE (AWG 24) green VHall 4.5…24 V blue GND red Hall sensor 1 black Hall sensor 2 white Hall sensor 3 Connection B, motor cable PTFE (AWG 14) red Motor winding 1 black Motor winding 2 white Motor winding 3

Motor Data (provisional)

A with Hall sensorsB sensorless

Operating Range Comments

n [rpm] TA = 25°C

TA = 100°C

TA = 150°C

TA = 200°C

Continuous operationIn observation of above listed thermal resistance (lines 17 and 18) the maximum permissible win-ding temperature will be reached during continuous operation at 25°C ambient.= Thermal limit.

Short term operationThe motor may be briefly overloaded (recurring).

Assigned power rating

Application NoticeGeneral– extreme temperature applications– vibration tested (according to MIL-STD810F/Jan2000

Fig. 514.5C-10)– operation in oil and high pressure (only minimal lubrication,

therefore use under rated ambient conditions is not suggested)Oil & Gas Industry– oil, gas and geothermal wells

This motor contains leaded solder. It therefore does not fulfill the requirements for the permitted maximum concentration of hazardous substances in accordance with the EC directive 2011/65/EC (RoHS) for all applications. The motor may there-fore only be used for devices that are not subject to this directive.

Reference medium: Shell Tellus oil T15Operation in oil of different viscosity will affect the motor data.

Specifications

Planetary Gearhead∅32 mm3.0 - 8.0 NmPage 280