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Products
Electric motors
Cast iron electric motors
Aluminium electric motors
Single phase motors
Brake motors
Pole-changing motors
Flat motors / Saw motors
Circular saw motors
ATEX Motors
IP23 - Electric motors
Stainless steel - electric motors
DC motors
Medium voltage motors
Gear motors
Worm gearbox with motor
Worm gearbox without motor
Helical gear motors M-Series
Helical bevel gear motors K-Series
Parallel shaft gear motors D-Series
Planetary gear motors P/R-Series
Heavy duty gears - H series
Stainless steel - worm gear motors
Stainless steel - helical gear motors
Stainless steel - bevel gear motors
DC - Gear motors
DC - Worm gear motors
DC - Helical gear motors
DC - Helical bevel gear motors
DC - Parallel shaft gear motors
DC - Right-angle gear motors with carbon brushes
DC - Right-angle gear motor without carbon brushes
DC - Motor control
Geared motors with speed control
Worm gear motor with manual speed control
Worm gear motor with integrated frequency inverter
Spur gear motor with manual speed control
Spur gear motor with integrated frequency inverter
Accessories electric motors
External fan
Brakes
Encoders
Shaft couplings
Cylindrical roller bearings, flanges, etc.
Rain protection
Motorized clamping slide
Motor slide rails
Motor protection switch
Engine switch
Cam switch
Cables and glands
Accessories geared motors
Worm Gear CMRV-Series
Helical gear M-Series
Bevel gear K-Series
Parallel shaft gear D-Serie
Stainless steel gears
Frequency inverter
LS-M100 - Frequency inverter
LS-G100 - Frequency inverter
LS-S100 - Frequency inverter
LS-H100 - Frequency inverter
LS-S300 - Frequency Inverter
LS-iS7 - Frequency inverter
EASYdrive - Frequency inverter with motor
EASYdrive Frequency inverter
SMARTdrive - Frequency inverter with motor
SMARTdrive Frequency inverter
Soft Starters
Accessories frequency inverter
Control panels / cables
Braking resistors
EMC filter frequency inverter
Switches / Regulators
Connection and control cables
Interface cards
Special and remaining items
Three-phase motors - aluminum
Three-phase motors - cast iron
Worm gear motors
Spur gear motors
Frequency inverter
Accessories - General
FAQ
FAQ Electric motors
Electric motors-general
1. How does a three-phase motor work?
2. What do the details on the motor rating plate mean?
3. Is the electric motor connected in star or delta?
4. When do the new efficiency classes for electric motors apply?
5. How is the capacitor calculated in a Steinmetz circuit?
6. Are there any disadvantages to a masonry circuit?
7. What is the IP55 protection rating?
8. What needs to be considered when installing an electric motor?
9. What does the designation IM mean for the motor designs?
10. Are motors also manufactured according to customer specifications?
11. How are the electric motors balanced?
12. What is the efficiency of electric motors with IE2, IE3 and IE4?
13. Are electric motors with extras also available?
14. Are electric motors also supplied in 220V or 380V?
15. Are the volume limits complied with?
Aluminium electric motors
1. In which sizes are aluminium motors built?
2. How are the motor shafts of the electric motor balanced?
3. Are there also aluminium electric motors in a reduced size?
4. Does the electric motor also have temperature monitoring?
5. Are forced cooling fans also available for aluminium motors?
6. Are electric motors with encoders available?
7. Can spare parts for electric motors be ordered online?
8. What is the noise behaviour of three-phase motors?
9. Which electric motors have closed ball bearings on both sides?
10. What technical values are contained in the electric motor data sheet?
Cast electric motors
1. Are energy-saving motors also available in IE5?
2. Are motors with a B-side shaft also available?
3. Is a special paint finish available for electric motors?
4. When are clamping rails used for electric motors?
5. When does an electric motor need a reinforced bearing?
6. Where are your three-phase motors used?
7. Which forced cooling fan is suitable for my three-phase motor?
8. Are spare parts also available for cast iron electric motors?
9. When are open ball bearings installed in electric motors?
10. When do electric motor bearings need to be serviced?
11. When should the motor have a current-insulated bearing?
Single-phase motors
1. How is the direction of rotation of the single-phase motor changed?
2. Are 1 x 230V motors suitable for both directions of rotation?
3. Why do single-phase motors have two capacitors?
4. What is the purpose of a centrifugal switch on an AC motor?
5. How is a starting relay connected to a 1-phase motor?
Pole-changing electric motors
1. Which pole-changing motors are available?
2. Where are pole-changing motors used?
3. How can you recognise a Dahlander motor?
4. How are pole-changing motors connected?
IP23 electric motors
1. Where are IP23 electric motors used?
2. What are the technical data of the IP23 motors?
3. What type of cooling does an IP23 three-phase motor have?
Brake motors
1. Up to what power rating are brake motors available?
2. How does the brake of the brake motor work?
3. Which gearboxes can be combined with brake motors?
4. How can the brake be released from the brake motor?
5. What kind of rectifiers do brake motors have?
6. Are brake motors available for stage technology?
Circular saw motors
1. Are there also circular saw motors for firewood?
2. Does a saw blade with a 30 mm bore fit saw motors?
3. What can be done to slow down the overrunning of the saw?
Atex motors
1. In what power range are ATEX motors available?
2. Can Ex. Motors for Zone 22 be ordered?
3. What does ATEX mean for explosion-proof motors?
Stainless steel motors
1. Where are stainless steel motors used?
2. What does protection class IP69K mean for stainless steel motors?
3. Are stainless steel motors also available with gearboxes?
Flat motors / saw motors
1. Are the flat motors also available with brakes?
2. What are flat motors particularly suitable for?
3. Are there flat motors with different directions of rotation?
DC motors
1. What kind of housing do the DC motors have?
2. Are DC motors with gearboxes available?
3. How are the DC motors connected?
4. What kind of DC motors are available?
FAQ Geared motors
Geared motors - General
1. Which geared motors can frequency inverters be installed on?
2. When is synthetic oil or mineral oil used for geared motors?
3. When should the gearbox oil be changed?
4. When does a geared motor need an oil expansion tank?
5. What extruder geared motors are available?
6. Which gearboxes are used for agitators and mixers?
7. Are there special geared motors for lifting systems?
Worm geared motors
1. Do worm gearboxes have self-locking?
2. Is the gear oil from the worm gearbox suitable for use with foodstuffs?
3. What does the service factor mean for worm geared motors?
4. How hot can a worm gearbox get under load?
5. Do worm geared motors require a running-in period?
6. Are worm gearboxes available with a single-phase motor?
7. Are worm gearboxes also built with ATEX motors?
8. Why is the installation position of the worm gearbox important?
9. Can worm gearboxes also be ordered without a motor?
10. Are there also geared motors for a grill?
11. What type of oil is on the worm gears?
12. What kind of worm gearboxes with DC motor are supplied?
13. Where are stainless steel worm gear units used?
14. Do you also manufacture worm geared motors with a mounted frequency converter?
Helical geared motors
1. Up to what power are helical gearboxes supplied?
2. What is the average delivery time for spur gearboxes?
3. Are helical gearboxes available with a brake motor?
4. Which gear oil is used for spur gearboxes?
5. When does a spur gearbox need an oil expansion tank?
6. Are helical gearboxes with single-phase motors also available?
7. Are ATEX geared motors also available in a flameproof version?
8. Are helical gearboxes also supplied with DC motors?
Bevel geared motors
1. Are bevel gearboxes with single-phase motors also manufactured?
2. Are stainless steel bevel gearboxes also available?
3. Do bevel gearboxes have self-locking?
Shaft-mounted geared motors
1. How to choose the right parallel shaft geared motor?
2. What international approvals do the flat gearboxes have?
3. How is the inverter mounted on the offset gearbox?
Planetary geared motors
1. What special features do the planetary gearboxes have?
2. What accessories are available for the planetary geared motor?
3. What are the designs of the planetary gearboxes?
4. When does a planetary gearbox need an oil expansion tank?
Heavy-duty industrial gearboxes
1. What characterises horizontal helical gearboxes?
2. Is there an external cooling system for horizontal helical gearboxes?
3. What torque do the horizontal helical gearboxes have?
Gearbox with mechanical speed control
1. How can the speed of the worm gearbox be changed?
2. Which gearboxes are suitable for mechanical speed control?
3. In which installation positions can a variable speed geared motor be used?
Geared motors with frequency inverter
1. Up to which power class are geared motors with frequency inverters available?
2. When does a geared motor with inverter require a forced cooling fan?
3. What operating mode do geared motors with inverters have?
FAQ Frequency inverters
Frequency inverter-general
1. What power ratings are available for frequency inverters?
2. How is the motor connected to the 1-phase frequency inverter?
3. When is the 87 Hz characteristic curve used in the inverter?
4. Are there favourable single-phase frequency inverters in the range?
5. At what frequency does the motor require a forced cooling fan?
6. How can the engine noise be reduced?
7. Can several motors be operated with one frequency inverter?
8. What is the difference between a U/F control and a vector control?
M100 frequency inverter
1. Which frequency inverter does the M100 replace?
2. How is the M100 frequency inverter set up?
3. What does the Advanced version of the M100 frequency inverter mean?
4. Is a special RCD required for the 230V frequency inverter?
5. What are the dimensions of the M100 frequency inverters?
6. What is the maximum cable length between the inverter and motor?
G100 frequency inverter
1. What are the advantages of the G100 frequency inverter?
2. Does the G100 frequency inverter have an EMC filter?
3. In which power ranges is the G100 inverter available?
4. In which languages is the LS-G100 operating manual available?
5. Can the G100 inverter be programmed via a PC?
S100 frequency inverter
1. Do you also offer inverters with IP66 protection?
2. What is the delivery time for the S100 frequency inverter?
3. What makes the S100 frequency inverter so special?
4. When do error messages occur with the S100 frequency inverter?
5. How can the commissioning of the S100 frequency inverter be accelerated?
Frequency inverter H100
1. Which inverters are suitable for pump-fan operation?
2. Why are there extra frequency inverters for pumps + fans?
3. What are the dimensions of the H100 frequency inverter?
4. Can several pumps be controlled with the H100 inverter?
Frequency inverter iS7
1. Does the iS7 frequency inverter have a German operating manual?
2. Is the iS7 frequency inverter suitable for heavy-duty operation?
3. What error messages does the iS7 frequency inverter display?
EASYdrive frequency inverter
1. Are the EASYdrive frequency inverter motors bus-compatible?
2. When is a motor with a frequency inverter used?
3. Are frequency inverter motors also available with a forced cooling fan?
4. Can the frequency inverter be set via a PC?
SMARTdrive frequency inverter
1. Is the SMARTdrive frequency inverter suitable for geared motors?
2. What are the special technical features of the SMARTdrive inverter?
3. Is the SMARTdrive frequency inverter available with a potentiometer?
Soft starters / soft starters
1. When are soft starters used?
2. What is the easiest way to retrofit a soft starter?
3. Soft starter or frequency inverter?
Direct current control unit
1. Which motors is the DC control unit suitable for?
2. Which potentiometer is used for the DC controller?
3. What are the special technical features of the DC controller?
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Online Calculator
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Calculations direct current
Performance: P = V X I
Performance: P = I² x R
Power output: P = V² / R
Mechanical power: P = W / t
Calculations alternating current
Apparent power: S = V x I
Active power: P = V x I x cos φ
Reactive power: Q = V x I x sin φ
Active power factor: cos φ = P / S
Reactive power factor: sin φ = Q / S
Calculations three-phase current
Apparent power: S = V x I x √3
Active power: P = V x I x cos φ x √3
Reactiv power: Q = V x I x sin φ x √3
Active power factor: cos φ = P / S
Reactive power factor: sin φ = Q / S
Calculations cable cross-section
Direct current: A = (2 x I x L) / (K x Δv x V)
Single-phase : A = (2 x I x L x cosφ) /(K x Δu x V)
Three-phase: A = (√3 x I x L x cosφ) / (K x Δv x V)
Calculations Torque
Torque: Md = 9550 x P / n
Calculations Slip
Slip: S = (Ns - N) / Ns * 100%
Energy Saving Calculator
Energy saving calculator e-motors
Ohm's law
Voltage: V = I x R
Download
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Catalogs - Gears - Gearmotors
Operating Instructions - Geared Motors
Operating Instructions - Electric Motors
Catalogs / Data Sheets - Frequency Inverters
Videos - Tutorials - Inverters
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