EmpoweringTransformation
Bächli is a Swiss tech company that specialises in the development and production of electrotechnical components. The company’s range of products comprises highly specialised transformers, chokes and wound products of all kinds that are used in differing industrial products. The company is based in Kriens near Lucerne and has a proud history of successfully partnering with international industrial companies that spans over 75 years.
Bächli World
Back
Mobility
Railway
Mountain railway
Bus
Ropeways
Ship
Tram
Metro
Shunting vehicle
Industry
Factory
Infrastructure
Railway Station Infrastructure
Planning Office
Wind Power
Nuclear Power Station
Telecommunications
Tunnel Construction
Solar Technology
Waterworks
Medtech
Mains choke
- Filtering of faults
- Current limiting to prevent overload
- Voltage stabilisation
- Improving energy efficiency
- Ensuring electrical compatibility
Matching transformer
- Voltage conversion
- Frequency adjustment
- Current limitation and current control
- Insulation and protection
- Improving energy efficiency
Underfloor system
- Compact design
- Weight-optimised
- temperature-optimised,
- integrated overvoltage protection,
- maintenance-free
- Shock & vibration testing according to 61373
- Fire protection EN45545
- Welding approval according to EN50185
LCL filter
- Harmonic filtering
- Voltage smoothing
- Improvement of the power factor
- EMI filtering
- Protection against network perturbations
Roof box system
- Available as a system box with built-in transformer, filter or choke
Isolating transformer/ socket outlet transformer
- Electrical insulation
- Electrical isolation
- Protection against electrical interference
- Voltage conversion
Suction throttle
- Pressure regulation
- Braking force control
- Increased safety by preventing loss control
- Improved energy efficiency
Air throttle
- Pressure regulation
- Support for controlling the brake pressure
- Increased safety by preventing loss control
- Pressure stability
Battery charging choke
- Overcharge protection
- Current limitation
- Stabilisation of the charging process
- Protection against reverse current
- Support for compatibility with chargers
Auxiliary converters
- Voltage transformation
- Power supply for emergency devices
- Voltage matching
- Isolation through protection
- Improvement of energy efficiency
Sine filter
- Reduction of harmonic distortion
- Improvement of power quality
- Protection from interference
- Compliance with regulations
- Optimising the performance of electrical systems
Starpointmaker
- Correct dimensioning of the neutral conductor
- Avoidance of overload
- Reduction of neutral conductor currents
- Improving the safety and reliability of the electrical system
DC Mains Choke
- Overhead line network choke for damping resonances, harmonics, and current limitation
- Energy storage during overhead line icing
- Damping during regenerative braking
Isolating Transformer / Socket Outlet Transformer
- Electrical isolation for the use of RCDs (residual current devices) downstream of frequency converters
- Protection against electrical disturbances
- Voltage conversion
- Compact design
- Fast availability
- Low maintenance
- Available with push-in terminals for easy installation
Isolating Transformer
- Electrical isolation
- Potential separation
- Protection against electrical disturbances
- Voltage conversion
1-phase Choke
- Filtering of disturbances
- Current limitation to prevent overload
- Voltage stabilization
- Improvement of energy efficiency
- Ensuring electrical compatibility
DC-Choke
- Inverter applications
- Grid damping
- Low maintenance
- Linear behavior
- Short-circuit current proof
Isolating Transformer / Socket Outlet Transformer
- Electrical isolation
- Potential separation
- Protection against electrical disturbances
- Voltage conversion
- Compact design
- Fast availability
- Low maintenance
- Available with push-in terminals for easy installation
LCL-Filter
- Mains and harmonic filter
Isolating transformer
- Safe and stable power supply
- Reduction of ground loops and interference voltages
- Protection against voltage fluctations and power disturbances
- Voltage adaptation for drive systems
- Galvanic isolation and safety
Transformer
- Transmission of electrical signals from one circuit
- Filtering of interference
- High-frequency applications
- Signal transmission and adaptation
3-phase isolating transformer with grain-oriented low-loss core
- Long-distance energy transmission (1000V)
- Protect systems through galvanic isolation (integrated in enclosure)
- Efficiency
- High efficiency
Isolating Transformer
- Efficient energy distribution and supply
- Mechanically robust and reliable power supply solution
- Isolation between power generators and battery systems
- Filter
- Saltwater resistant
Main transformers for harbour facilities
- Galvanic isolation for shore-to-ship power supply
3-phase Isolating Transformer
- Galvanic isolation to reliably supply power to the different onboard devices.
DC-Choke
- For inverter applications
- Energy storage
- Filter for interference suppression
Choke
- Common-mode filter
- Symmetry choke
- Bandpass filter
1-phase Filter Choke
- For regulating voltage fluctuations and frequency ripple
- Compact design
2-phase Isolating Transformer
- Galvanic isolation
- stable voltage supply in two-phase systems
- Compact design
3-phase isolating transformer with reinforced mounting system for cross-load direction of travel, loss-optimized in SMART-ε-POWER technology
- High load capacity
- Excellent energy efficiency
- High level of safety
- Ideal for harsh operating environments
- Optimized performance under load
3-phase Isolating Transformer
- Safe power supply for onboard electrical systems such as drive units and control systems
- Compact design
1-phase Choke
- Reduction of current fluctuations
- Filtering of interference signals
- Custom-made solutions
- Small production quantities
1-PHASE CONTROL TRANSFORMER
- Safe mains isolation for control circuits
1-PHASE SAFETY & ISOLATION TRANSFORMER
- Increased operational safety guaranteed
- Fault current risk reduced
- Long-lasting device protection
1-PHASE SINUS FILTER BROADBAND UP TO 21ST HARMONIC
- Clean power supply
- EMC compliance
- Interference-free system operation
NETWORK FILTER, COMPENSATION FILTER
- Harmonics
- Switching frequencies
- Compensation of drive converters
3-PHASE SAVING TRANSFORMER IN HOUSING / INDUSTRIAL CABINET IP23
- Cost-effective adjustment of the mains voltage
- Installed in a housing
1-PHASE CONTROL TRANSFORMER
- Safe mains isolation for control circuits
- Trouble-free operational reliability
3-PHASE ISOLATION TRANSFORMER IN HOUSING / INDUSTRIAL CABINET IP23
- Galvanic isolation between two circuits
- Adjustment of the mains voltage
- Installed in a housing
3-PHASE ISOLATION TRANSFORMER WITHOUT & WITH IP23 HOUSING
- Galvanically isolated
- Flexible adjustment of mains voltages
- Compact complete solution in housing
3 PHASE UNIVERSAL ISOLATION TRANSFORMER
- Flexible voltage adjustment worldwide
- Simplified purchasing process
3-PH. ISOLATION /SAVING TRANSFORMER AS SMART E-POWER TECHNOLOGY WITH MINIMAL LOSSES
- Ideal for continuous operation
- Efficient and cost-saving
- 99 percent efficiency
- Long-term energy savings
3-PHASE NETWORK CHOKE
- Filtering of interference/harmonics
- Current limitation to prevent overload
- Voltage stabilization
1-PHASE SAVING TRANSFORMER
- Cost-effective solution without galvanic isolation
- Flexible voltage adjustment worldwide
- Simplified purchasing process
1-PHASE CHOKE
- Compact single-phase printed choke
- High EMC performance
- Robust and reliable
1-PHASE CHOKE
- High current carrying capacity
- UR CSA certified
1-PHASE ISOLATION TRANSFORMER IN HOUSING
- Worldwide voltage compatibility
- Integrated IP23 protection class
- UL-certified component
- Ready to connect with cable
POWER SUPPLY FULLY ASSEMBLED & WIRED
- Multi-output power supply
- Stabilized DC output
- Delivered fully assembled
1-PHASE SAVING TRANSFORMER
- Very compact design
- Weight-optimised
- Cost-saving
1-PHASE ISOLATION TRANSFORMER
- Ideal connection options
- Compact design
1-PHASE SAFETY TRANSFORMER
- Safety isolation of low-voltage signals
1-PHASE HIGH-VOLTAGE TRANSFORMER
- 3000V power transmission up to 40 km; parallel feed-in along the line for 230V consumers
POWER LINE CHOKE
- 2/4/6% mains chokes
- Linear inductance curve
- 125% overload
1-PHASE AC ISOLATING TRANSFORMER FOR UPC WITH 50 MV DC BASIS
- Energy-efficient
- Low short-circuit voltage
- Easy to connect
3-PHASE ISOLATION TRANSFORMER WITH OR WITHOUT A HOUSING
- Energy efficiency SMART-E-POWER
- 50 kVA
- Continuous overload capacity 80 kVA
- Minimal noise
1-PHASE ISOLATION TRANSFORMER
- Various voltage taps
- Energy-efficient
- Open design for fixed installation
CONSULTATIONS
- Product Development & Engineering
- Project Management
REPAIRS & RECREATIONS
- Repairs or replacements of defective wound goods
- Damage analysis
SIMULATION & TESTING
- Type test for all products
- Vibration tests, strength analyses, environmental tests, electrical stress tests, EMC
TRAINING COURSES
- Technical training on our products
ISOLATION & DISTRIBUTION TRANSFORMERS (SMART-E-POWER)
- Extremely energy-efficient and compact
- Energy-efficient (SMART-E-POWER)
- 50 kVA
- Continuous overload capacity: 80 kVA
- Minimal noise
POWER LINE CHOKE
- 2/4/6% mains chokes
- Linear inductance curve
- 125% overload
MAINS VOLTAGE STABILISERS (1-PHASE & 3-PHASE)
- Voltage regulation within +/- 30%
- Mains voltage fluctuations
DC POWER SUPPLIES & BUFFER CAPACITORS FOR PITCHER SYSTEMS
- Robust and compact DC power supply in a discrete design (can also be used as a charger with a battery)
REDUNDANT DC MAIN POWER SUPPLIES WITH BATTERY CONNECTION
- Robust and compact DC power supply in a discrete design, suitable for parallel operation
DISCRETE DC POWER SUPPLY
- Earthquake-proof
- Radiation-proof
- Interference-resistant (EMC)
- Schottky technology
MAINS VOLTAGE STABILISERS (1-PHASE & 3-PHASE)
- Voltage stabilisation within a range of +/- 30% of mains voltage fluctuations
ISOLATION & DISTRIBUTION TRANSFORMERS (SMART-E-POWER)
- Extremely energy-efficient and compact
- Energy-efficient (SMART-E-POWER)
- 50 kVA
- Continuous overload capacity 80 kVA
- Minimal noise
DC POWER SUPPLY
- Robust and compact DC power supply in a discrete design (can also be used as a charger with a battery)
3 PHASE ISOLATION TRANSFORMER
- High-voltage isolation up to 20 kV
MAINS FILTER CHOKE
- 2/4/6% mains chokes
- Linear inductance curve
- 125% overload
SINUS FILTER
- Decoupling of power grid harmonics and remote control signals
3-PHASE AUTOTRANSFORMER IN AN ENCLOSURE
- 1000V step-up transformer as a power-saving transformer
- No galvanic isolation required
- Energy-efficient (SMART-E-POWER)
- Modular sheet steel housing
- IP23
- Equipped with switching and fuse components
3-PHASE ISOLATION TRANSFORMER IN A CABINET
- 1000V step-down transformer
- Energy-efficient (SMART-E-POWER)
- Enclosed cabinet
- IP65
- Fitted with switching and fuse components
VOLTAGE REGULATOR FOR LONG-DISTANCE TRANSMISSION
- Stabilised output voltage independent of tunnel distances
1-PHASE ISOLATION TRANSFORMER
- Robust
- Lightning-resistant
- EMC-decoupling
MAINS FILTER CHOKE
- 2/4/6% mains chokes
- Linear inductance curve
- 125% overload
3-PHASE SINUSOIDAL FILTER FOR SOLAR INVERTERS
- Low-pass filter effect
- Wall-mounted
- Total harmonic distortion (THDI) up to 20%
- 2-stage LC filter
3-PHASE ISOLATION TRANSFORMER
- SMART-E-Power technology
- Extremely low-loss grid connection
- Efficiency of over 99.5% possible
3-PHASE ISOLATION TRANSFORMER
- Fault and surge protection
3-PHASE EXCITATION TRANSFORMER
- Low maintenance
- More moisture-resistant
- Galvanic isolation & EMC decoupling
GENERATOR EXCITATION TRANSFORMER
- 125% overload capacity
- Robust construction with additional rust protection
Mobility
Railway
Mains choke
- Filtering of faults
- Current limiting to prevent overload
- Voltage stabilisation
- Improving energy efficiency
- Ensuring electrical compatibility
Matching transformer
- Voltage conversion
- Frequency adjustment
- Current limitation and current control
- Insulation and protection
- Improving energy efficiency
Underfloor system
- Compact design
- Weight-optimised
- temperature-optimised,
- integrated overvoltage protection,
- maintenance-free
- Shock & vibration testing according to 61373
- Fire protection EN45545
- Welding approval according to EN50185
LCL filter
- Harmonic filtering
- Voltage smoothing
- Improvement of the power factor
- EMI filtering
- Protection against network perturbations
Roof box system
- Available as a system box with built-in transformer, filter or choke
Isolating transformer/ socket outlet transformer
- Electrical insulation
- Electrical isolation
- Protection against electrical interference
- Voltage conversion
Suction throttle
- Pressure regulation
- Braking force control
- Increased safety by preventing loss control
- Improved energy efficiency
Air throttle
- Pressure regulation
- Support for controlling the brake pressure
- Increased safety by preventing loss control
- Pressure stability
Battery charging choke
- Overcharge protection
- Current limitation
- Stabilisation of the charging process
- Protection against reverse current
- Support for compatibility with chargers
Auxiliary converters
- Voltage transformation
- Power supply for emergency devices
- Voltage matching
- Isolation through protection
- Improvement of energy efficiency
Sine filter
- Reduction of harmonic distortion
- Improvement of power quality
- Protection from interference
- Compliance with regulations
- Optimising the performance of electrical systems
Starpointmaker
- Correct dimensioning of the neutral conductor
- Avoidance of overload
- Reduction of neutral conductor currents
- Improving the safety and reliability of the electrical system
Mountain railway
DC Mains Choke
- Overhead line network choke for damping resonances, harmonics, and current limitation
- Energy storage during overhead line icing
- Damping during regenerative braking
Isolating Transformer / Socket Outlet Transformer
- Electrical isolation for the use of RCDs (residual current devices) downstream of frequency converters
- Protection against electrical disturbances
- Voltage conversion
- Compact design
- Fast availability
- Low maintenance
- Available with push-in terminals for easy installation
Isolating Transformer
- Electrical isolation
- Potential separation
- Protection against electrical disturbances
- Voltage conversion
1-phase Choke
- Filtering of disturbances
- Current limitation to prevent overload
- Voltage stabilization
- Improvement of energy efficiency
- Ensuring electrical compatibility
Bus
Decoupling Unit
- Decoupling module for inverter units
- Compact design
- Weight optimized
- Temperature optimized
DC-Choke
- Inverter applications
- Grid damping
- Low maintenance
- Linear behavior
- Short-circuit current proof
Isolating Transformer / Socket Outlet Transformer
- Electrical isolation
- Potential separation
- Protection against electrical disturbances
- Voltage conversion
- Compact design
- Fast availability
- Low maintenance
- Available with push-in terminals for easy installation
LCL-Filter
- Mains and harmonic filter
Ropeways
Isolating transformer
- Safe and stable power supply
- Reduction of ground loops and interference voltages
- Protection against voltage fluctations and power disturbances
- Voltage adaptation for drive systems
- Galvanic isolation and safety
Transformer
- Transmission of electrical signals from one circuit
- Filtering of interference
- High-frequency applications
- Signal transmission and adaptation
3-phase isolating transformer with grain-oriented low-loss core
- Long-distance energy transmission (1000V)
- Protect systems through galvanic isolation (integrated in enclosure)
- Efficiency
- High efficiency
Ship
Isolating Transformer
- Efficient energy distribution and supply
- Mechanically robust and reliable power supply solution
- Isolation between power generators and battery systems
- Filter
- Saltwater resistant
Main transformers for harbour facilities
- Galvanic isolation for shore-to-ship power supply
Tram
3-phase Isolating Transformer
- Galvanic isolation to reliably supply power to the different onboard devices.
DC-Choke
- For inverter applications
- Energy storage
- Filter for interference suppression
Choke
- Common-mode filter
- Symmetry choke
- Bandpass filter
Metro
Phase Choke
- Special choke coil for regulating current fluctuations
- For filtering disturbances
1-phase Filter Choke
- For regulating voltage fluctuations and frequency ripple
- Compact design
2-phase Isolating Transformer
- Galvanic isolation
- stable voltage supply in two-phase systems
- Compact design
Shunting vehicle
3-phase isolating transformer with reinforced mounting system for cross-load direction of travel, loss-optimized in SMART-ε-POWER technology
- High load capacity
- Excellent energy efficiency
- High level of safety
- Ideal for harsh operating environments
- Optimized performance under load
3-phase Isolating Transformer
- Safe power supply for onboard electrical systems such as drive units and control systems
- Compact design
1-phase Choke
- Reduction of current fluctuations
- Filtering of interference signals
- Custom-made solutions
- Small production quantities
Industry
Factory
1-PHASE CONTROL TRANSFORMER
- Safe mains isolation for control circuits
1-PHASE SAFETY & ISOLATION TRANSFORMER
- Increased operational safety guaranteed
- Fault current risk reduced
- Long-lasting device protection
1-PHASE SINUS FILTER BROADBAND UP TO 21ST HARMONIC
- Clean power supply
- EMC compliance
- Interference-free system operation
NETWORK FILTER, COMPENSATION FILTER
- Harmonics
- Switching frequencies
- Compensation of drive converters
3-PHASE SAVING TRANSFORMER IN HOUSING / INDUSTRIAL CABINET IP23
- Cost-effective adjustment of the mains voltage
- Installed in a housing
1-PHASE CONTROL TRANSFORMER
- Safe mains isolation for control circuits
- Trouble-free operational reliability
3-PHASE ISOLATION TRANSFORMER IN HOUSING / INDUSTRIAL CABINET IP23
- Galvanic isolation between two circuits
- Adjustment of the mains voltage
- Installed in a housing
3-PHASE ISOLATION TRANSFORMER WITHOUT & WITH IP23 HOUSING
- Galvanically isolated
- Flexible adjustment of mains voltages
- Compact complete solution in housing
3 PHASE UNIVERSAL ISOLATION TRANSFORMER
- Flexible voltage adjustment worldwide
- Simplified purchasing process
3-PH. ISOLATION /SAVING TRANSFORMER AS SMART E-POWER TECHNOLOGY WITH MINIMAL LOSSES
- Ideal for continuous operation
- Efficient and cost-saving
- 99 percent efficiency
- Long-term energy savings
3-PHASE NETWORK CHOKE
- Filtering of interference/harmonics
- Current limitation to prevent overload
- Voltage stabilization
1-PHASE SAVING TRANSFORMER
- Cost-effective solution without galvanic isolation
- Flexible voltage adjustment worldwide
- Simplified purchasing process
1-PHASE CHOKE
- Compact single-phase printed choke
- High EMC performance
- Robust and reliable
1-PHASE CHOKE
- High current carrying capacity
- UR CSA certified
1-PHASE ISOLATION TRANSFORMER IN HOUSING
- Worldwide voltage compatibility
- Integrated IP23 protection class
- UL-certified component
- Ready to connect with cable
POWER SUPPLY FULLY ASSEMBLED & WIRED
- Multi-output power supply
- Stabilized DC output
- Delivered fully assembled
Infrastructure
Railway Station Infrastructure
1-PHASE SAVING TRANSFORMER
- Very compact design
- Weight-optimised
- Cost-saving
1-PHASE ISOLATION TRANSFORMER
- Ideal connection options
- Compact design
1-PHASE SAFETY TRANSFORMER
- Safety isolation of low-voltage signals
1-PHASE SIGNAL TRANSFORMER WITH NIGHT-TIME VOLTAGE REDUCTION
- Signal transformer with voltage variation and night-time voltage reduction
1-PHASE HIGH-VOLTAGE TRANSFORMER
- 3000V power transmission up to 40 km; parallel feed-in along the line for 230V consumers
POWER LINE CHOKE
- 2/4/6% mains chokes
- Linear inductance curve
- 125% overload
1-PHASE AC ISOLATING TRANSFORMER FOR UPC WITH 50 MV DC BASIS
- Energy-efficient
- Low short-circuit voltage
- Easy to connect
3-PHASE ISOLATION TRANSFORMER WITH OR WITHOUT A HOUSING
- Energy efficiency SMART-E-POWER
- 50 kVA
- Continuous overload capacity 80 kVA
- Minimal noise
1-PHASE ISOLATION TRANSFORMER
- Various voltage taps
- Energy-efficient
- Open design for fixed installation
Planning Office
CONSULTATIONS
- Product Development & Engineering
- Project Management
REPAIRS & RECREATIONS
- Repairs or replacements of defective wound goods
- Damage analysis
SIMULATION & TESTING
- Type test for all products
- Vibration tests, strength analyses, environmental tests, electrical stress tests, EMC
TRAINING COURSES
- Technical training on our products
Wind Power
ISOLATION & DISTRIBUTION TRANSFORMERS (SMART-E-POWER)
- Extremely energy-efficient and compact
- Energy-efficient (SMART-E-POWER)
- 50 kVA
- Continuous overload capacity: 80 kVA
- Minimal noise
POWER LINE CHOKE
- 2/4/6% mains chokes
- Linear inductance curve
- 125% overload
POWER INPUT FILTERS & MULTI-STAGE OUTPUT FILTERS, POWER SUPPLY NOISE SUPPRESSION
- On request
MAINS VOLTAGE STABILISERS (1-PHASE & 3-PHASE)
- Voltage regulation within +/- 30%
- Mains voltage fluctuations
DC POWER SUPPLIES & BUFFER CAPACITORS FOR PITCHER SYSTEMS
- Robust and compact DC power supply in a discrete design (can also be used as a charger with a battery)
REDUNDANT DC MAIN POWER SUPPLIES WITH BATTERY CONNECTION
- Robust and compact DC power supply in a discrete design, suitable for parallel operation
Nuclear Power Station
DISCRETE DC POWER SUPPLY
- Earthquake-proof
- Radiation-proof
- Interference-resistant (EMC)
- Schottky technology
MAINS VOLTAGE STABILISERS (1-PHASE & 3-PHASE)
- Voltage stabilisation within a range of +/- 30% of mains voltage fluctuations
ISOLATION & DISTRIBUTION TRANSFORMERS (SMART-E-POWER)
- Extremely energy-efficient and compact
- Energy-efficient (SMART-E-POWER)
- 50 kVA
- Continuous overload capacity 80 kVA
- Minimal noise
POWER INPUT FILTERS & MULTI-STAGE OUTPUT FILTERS, POWER SUPPLY NOISE SUPPRESSION
- On request
Telecommunications
DC POWER SUPPLY
- Robust and compact DC power supply in a discrete design (can also be used as a charger with a battery)
3 PHASE ISOLATION TRANSFORMER
- High-voltage isolation up to 20 kV
MAINS FILTER CHOKE
- 2/4/6% mains chokes
- Linear inductance curve
- 125% overload
SINUS FILTER
- Decoupling of power grid harmonics and remote control signals
Tunnel Construction
3-PHASE AUTOTRANSFORMER IN AN ENCLOSURE
- 1000V step-up transformer as a power-saving transformer
- No galvanic isolation required
- Energy-efficient (SMART-E-POWER)
- Modular sheet steel housing
- IP23
- Equipped with switching and fuse components
3-PHASE ISOLATION TRANSFORMER IN A CABINET
- 1000V step-down transformer
- Energy-efficient (SMART-E-POWER)
- Enclosed cabinet
- IP65
- Fitted with switching and fuse components
VOLTAGE REGULATOR FOR LONG-DISTANCE TRANSMISSION
- Stabilised output voltage independent of tunnel distances
1-PHASE ISOLATION TRANSFORMER
- Robust
- Lightning-resistant
- EMC-decoupling
MAINS FILTER CHOKE
- 2/4/6% mains chokes
- Linear inductance curve
- 125% overload
Solar Technology
3-PHASE SINUSOIDAL FILTER FOR SOLAR INVERTERS
- Low-pass filter effect
- Wall-mounted
- Total harmonic distortion (THDI) up to 20%
- 2-stage LC filter
3-PHASE ISOLATION TRANSFORMER
- SMART-E-Power technology
- Extremely low-loss grid connection
- Efficiency of over 99.5% possible
Waterworks
3-PHASE ISOLATION TRANSFORMER
- Fault and surge protection
3-PHASE EXCITATION TRANSFORMER
- Low maintenance
- More moisture-resistant
- Galvanic isolation & EMC decoupling
GENERATOR EXCITATION TRANSFORMER
- 125% overload capacity
- Robust construction with additional rust protection
Medtech