Trafowerk Creuzburg: Industrial Transformers, Chokes and Electromagnetic Solutions

Technical catalog of Trafowerk Creuzburg (Pikatron Group) PCB transformers, CL series toroidal transformers, SMPS pulse units, and precision chokes for industrial applications.

Printed Circuit Board (PCB) Transformers

Trafowerk Creuzburg encapsulated PCB transformers rated up to 2,000 VA suit through-hole and surface mounting. Primary voltages span 1 to 690 V and secondary outputs reach 1,000 V at currents up to 32 A, 16 2/3 to 800 Hz. Potting provides 10 kV dielectric strength with THT and SMD terminations.

Rated power up to 2,000 VA
Primary 1...690 V, secondary up to 1,000 V
Dielectric strength up to 10 kV
THT and SMD mounting types

Toroidal Transformers and CL Series

Trafowerk Creuzburg CL toroidal transformers deliver compact power conversion up to 5,000 VA. Primary voltages span 100 to 690 V, secondary to 1,000 V at currents up to 50 A over 50 to 800 Hz. The annular core provides low stray fields and 10 kV isolation with optional thermal sensors and shielding.

Rated power up to 5,000 VA
Current up to 50 A, 50...800 Hz
Low stray magnetic field
Shielding and thermal monitors

Mains Power Supply Transformers

Trafowerk Creuzburg mains transformers rated up to 24 kVA deliver low-interference conversion. Primary voltages span 100 to 690 V, secondary to 1,000 V with load currents up to 1 kA at 16 2/3 to 800 Hz. Steel cores in E, EI, and UI shapes provide 10 kV isolation under UL/VDE norms.

Rated power up to 24 kVA
Load current up to 1,000 A
Core shapes E, EI, WEI, UI, EE
10 kV isolation, UL/VDE compliant

Isolating and Safety Transformers

Trafowerk Creuzburg isolating transformers rated up to 24 kVA establish protective separation for SELV and PELV circuits. Output voltages reach 1,000 V at currents up to 1 kA. Double and reinforced insulation provides 10 kV dielectric strength with integrated thermal cutouts and terminal blocks.

Isolation power up to 24 kVA
Double and reinforced insulation
SELV and PELV circuit safety
Dielectric test voltage 10 kV

Impulse and High-Voltage SMPS Transformers

Trafowerk Creuzburg impulse transformers transmit fast pulses from 1 μs to 100 ms for SMPS. Using ferrite cores in EE, ETD, and RM shapes, they achieve pulse voltages up to 200 kV and peak power to 15 MW up to 150 kHz. Vacuum resin potting provides 200 kV isolation in pulsed systems.

Pulse width 1 μs to 100 ms
Pulse voltage up to 200 kV
Peak pulse power up to 15 MW
EE, ETD, RM ferrite geometries

Toroidal and Power Storage Chokes

Trafowerk Creuzburg toroidal chokes offer inductances from 1 μH to 5 H for smoothing and noise filtering. The closed toroidal core minimizes stray fields and improves EMC. Handling currents up to 1 kA and powers to 10 kVA from 16 2/3 Hz to 1 MHz, units are available in enclosures up to IP66.

Inductance from 1 μH to 5 H
Rated current up to 1,000 A
Operating frequency up to 1 MHz
Enclosure ratings up to IP66

Current-Compensated Common-Mode Chokes

Trafowerk Creuzburg common-mode chokes feature opposing windings to cancel high-frequency noise. Providing inductances from 1 μH to 5 H at currents up to 1 kA, they offer 10 kV isolation. Flux cancellation ensures filtering up to 1 MHz across compact THT, SMD, and screw-terminal enclosures.

Inductance from 1 μH to 5 H
Compensated current up to 1 kA
Common-mode filter up to 1 MHz
Dielectric isolation up to 10 kV

Baking Varnish Coils (Backlackspulen)

Trafowerk Creuzburg bobbinless baking varnish coils use self-bonding wire from 35 μm to 2.5 mm. Sized from 1 to 1,000 mm, they withstand temperatures up to 180 °C. Eliminating bobbins saves space, enabling custom 2D and 3D shapes for magnetic actuators, deflection yokes, sensors, and RFID antennas.

Wire diameter 35 μm to 2.5 mm
Temperature rating up to 180 °C
Bobbinless 2D and 3D geometry
Dimensions from 1 mm to 1,000 mm

Transformer and Choke Selection for Industrial Projects

When specifying Trafowerk Creuzburg electromagnetic components for control panels and drives, critical considerations include rated VA capacity, isolation test voltage, and thermal operating limits.

For space-constrained circuit boards, potted PCB transformers up to 2,000 VA provide robust 10 kV dielectric separation.

To prevent electromagnetic interference in precision measurement and audio circuits, CL series toroidal transformers offer minimum stray magnetic flux and optimized no-load power efficiency.

Integration into Power Converters and SMPS Topologies

In switch-mode power supplies and high-voltage pulse circuits, impulse transformers handle fast transitions from 1 μs to 100 ms with output pulse voltages reaching 200 kV. Common-mode chokes up to 5 H suppress high-frequency line interference in accordance with strict EMC norms.

Self-supporting baking varnish coils endure operating temperatures up to 180 °C, enabling dense integration within valve actuators, sensors, and specialty electromagnetic systems.

Trafowerk Creuzburg and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Trafowerk Creuzburg and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.