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Ritz Instrument Transformers GmbH

Booth number: A04

About us

RITZ – Experience and Solutions | Together!

RITZ is one of the world´s leading specialists for Instrument Transformers, Cast Resin Applications, Cast Resin Insulated Busbar Systems and Cast Resin Insulated Power Transformers.
The Company dates back to 1904. Based in Hamburg, RITZ combines the expertise of RITZ, MWB, TuR/Duromer and WTW.
RITZ boats seven production facilities across Europe, China and the United States of America. Customers include renowned companies from the fields of energy supply and electronics from all corners of the globe.

RITZ has a large portfolio. We develop your standard devices, using your specific wishes to create customized products. We provide small and large quantities, taking full advantage of our employees´knowledge and motivation across all our locations.
Give us a challenge, we´ll give you the solution.

Finding the best solution together with our customers – that´s what the name RITZ stands for.

Products and services

Product Overview:
• Low Voltage Instrument Transformers up to 1.2 kV
• Medium Voltage Instrument Transformers up to 72.5 kV
• Metal-enclosed Instrument Transformers up to 40.5 kV
• Metalized Instrument Transformers up to 40.5 kV
• Specific Railway Current and Voltage Transformers
• Burst Proofed Metering Voltage Transformers for Railway Vehicle
• Electronic Instrument Transformers & Sensors
• Dry Type Power Transformers up to 40.5 kV & 25 MVA
• Cast Resin Insulated Bus Bar Systems up to 40.5 kV & 6,500A
• Ritz Cast Resin Insulated Bushings up to 8,000A & 72.5kV
• Specific Cast Resin Parts
Dry Type Power Transformers up to 40,5 kV & 25 MVA

Dry Type Power Transformers up to 40,5 kV & 25 MVA

RITZ Cast Resin insulated Power Transformers for ratings starting at 50kVA up to 25MVA and 40.5kV for various special applications:
•Power Distribution
•Oil Platforms/Vessels
•Injection Systems
•Grounding Systems
•Traction Power Systems
•Rectifier Drives
•Generator Excitations
•Transmitter Systems
•Laboratory Systems

All transformers can be supplied inside enclosures up to protection class IP54.

•Disposal of existing oil and PCB transformers

Low Voltage Instrument Transformers up to 1.2kV:

Low Voltage Instrument Transformers up to 1.2kV:

Low Voltage Instrument Transformers up to 1.2kV:
•CTs for Measuring and Protection Purposes
•Wound primary CT
•Auxiliary CT
•Summation CT
•Window type CT
•CT for switch fuses
•Tube type CT
•Window type CT for high currents
•Multi-range CT
•Split-core CT
•Earth fault protection Split-core types

Medium Voltage Instrument Transformers up to 72.5kV:
•Indoor/Outdoor Types
•Metal Clad Designs up to 40.5kV
•Metalized Design up to 40.5kV
•Burst Proofed Metering VTs for Railway Vehicle
•Sensor Types

Cast Resin Insulated Bus Bar Systems and Bushings

Cast Resin Insulated Bus Bar Systems and Bushings

RITZ Solid Insulated Bus Bar System up to 40.5kV & 6500A -
A cost-effective and safe alternative to parallel-connected cable systems and metal-enclosed bus duct systems.

Specific Benefits:
•Compact design
•Reduced requirements for the installation space
•Small bending radii
•3-dimensional geometric shape
•Natural cooling due to effectual conductor design
•High operational reliability due to factory routine test
•Maintenance free

Ritz Cast insulated Bushings:
•up to 8000A & 72.5 kV

News & Innovations

Our new RITZ BasicLine  Support type current transformer with slender design DIN 42600.
The current transformers of the new RITZ-Basic-Line RBLCT 12...24 have especially been designed for the switch gear and PSC markets. They can be used for measuring and protection purposes at a rated current of maximally 1,500A in the electrochemical series of 12…17.5 and 24kV.
A maximum of two toroidal cores can be used as measuring and protection core or two similar cores.
The secondary connections are designed as single terminal blocks and can be earthed by connection to the base plate.
The secondary terminals are protected by a transparent sealable cover ( IP20 ).

Mountable in any position.
The transformer is maintenance-free.



Ritz Instrument Transformers GmbH
Wandsbeker Zollstr. 92–98
22041 Hamburg

Phone: +49 40 511230
Fax: +49 40 51123322

Carolin Klockmann
Marketing Manager
Phone: +49 40 511230

Ritz Instruments FZE
Office no. 111, 1ST Floor / TPOFCB Building, Jebel Ali Free Zone
P.O. Box 261469

Phone: +971 48 87 66 91
Fax: +971 48 87 66 92

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