Kraus & Naimer supplier in Romania
Cam switches and load break switches for panels
Founded in 1907 · Headquarters: Vienna, Austria
Who is Kraus & Naimer and what does it make?
Kraus & Naimer is an Austrian manufacturer of cam switches and load break switches, based in Vienna, active since 1907, when the company started out in a Viennese basement. In 1948 the company introduced the first cam switch in a modular design, a principle it still uses for most of its current range. Today it produces rotary switches for starting, stopping, reversing and changing over electrical circuits in panels, machine tools, motors and photovoltaic installations, with six factories and sales offices on several continents.
The range is organised in switch families: the basic C series, the CA and CA4 series for control and load at currents of 10-32A, the CG, CH and CHR series for medium power, the CAD series, listed in the manufacturer's catalogue, and the L series for load break switches at high currents, between 350A and 2400A.
For industrial installations in Romania, Kraus & Naimer means access to robust switches for control panels, distribution boards and photovoltaic systems, where the long-term mechanical reliability of the contacts matters more than the purchase price.
What do we supply from the Kraus & Naimer range?
| Product | Description |
|---|---|
| CA Series Control and Load Switches | Cam switches for starting and reversing motors, with touch-safe terminals, rated currents between 10A and 32A. The CA4-1 version adds gold-plated contacts for low-voltage signal circuits, where oxidation of ordinary contacts would cause switching errors. Panel or door mounting, with interchangeable cams for various switching schemes. |
| CG/CH/CHR Series Switches | A family of cam switches for medium power, with rated currents that depend on the series and model (we confirm them on the code, from the manufacturer's documentation), used for manual switching of motors, selection of speed steps or switching of measuring circuits. Compact construction, with the possibility of mounting in series for schemes with several functions on the same operating shaft. |
| L Series Load Break Switches | Off-load switches for high currents, from 350A up to 2400A, used as main isolating devices in distribution boards and power panels. Designed for operation under low load or as a visible isolator before maintenance work on power circuits. |
Why Kraus & Naimer?
- Over a century of cam switch manufacturing, with a modular design introduced as early as 1948
- Range of rated currents, from small control switches to load break switches of 2400A
- Gold-plated contacts on the CA4-1 series, for low-voltage signals in demanding environments
- Dedicated switches for photovoltaic systems, with DC disconnectors
- In-house production in six factories, on four continents
Which Kraus & Naimer codes and series are requested most often?
| Code | Description |
|---|---|
| Seria C | basic cam switch, modular design |
| Seria CA | control and load switch, 10-32A |
| CA4 | cam switch from the CA family |
| CA4-1 | CA4 version with gold-plated contacts |
| Seria CG | cam switch, medium power |
| Seria CH | cam switch, medium power |
| Seria CHR | cam switch, CH version |
| CAD | cam switch, series from the manufacturer's catalogue |
| Seria L | off-load switch, 350-2400A |
Where is Kraus & Naimer equipment used?
- Electrical panels and distribution boards — main and control switches
- Machine tools — speed step selection and motor reversing
- Photovoltaic energy — DC disconnectors for strings
- Industrial automation — switching of signal and instrumentation circuits
How do we supply Kraus & Naimer in Romania?
We bring in Kraus & Naimer switches to order through supply channels in the EU, usually in 1–4 weeks from order confirmation, depending on the family and the rated current requested. Switches and load break switches come in dozens of variants of current, poles and contact schemes; we work from the manufacturer's technical documentation and confirm the exact availability before the quotation. For a correct quotation, send us the series wanted, the rated current, the number of poles and the contact scheme or, if you are replacing existing equipment, the full designation from the label of the old switch. Availability is confirmed on the code in the quotation for each Kraus & Naimer series.
We check the availability of custom configurations with special contact schemes on the customer's requirement, before the quotation.
Frequently asked questions about Kraus & Naimer
What products does Kraus & Naimer make?
Kraus & Naimer makes cam switches and load break switches for electrical panels, machine tools and photovoltaic installations, with a range of currents from a few amperes up to 2400A. The Austrian company uses a modular design introduced in 1948, which allows the contacts to be configured on each position and pole.
How do I choose a Kraus & Naimer switch by code?
The series code (C, CA, CG, CH, L etc.) indicates the family and the current range, but for an exact order you also need the rated current, the number of poles and the contact scheme from the label of the existing switch or from the electrical design. Send us these data for a correct identification.
Do you supply Kraus & Naimer switches in Romania, and how quickly?
Yes, we bring in Kraus & Naimer switches to order, usually in 1–4 weeks from confirmation, depending on the family and on availability at the time of the order. Availability is confirmed in the quotation.
What details should I give for a Kraus & Naimer switch quotation?
For a correct quotation send the series wanted (for example CA or L), the rated current, the number of poles, the mounting type (panel or panel door) and, if you are replacing an existing switch, the full code from its label.
How do I request a Kraus & Naimer quotation?
Send the Kraus & Naimer code from the nameplate and the quantity; we reply in English with availability and the lead time written in the quotation.
Request a quoteUpdated: 12 November 2026 · Sources: Kraus & Naimer (manufacturer documentation)