# Part name:
Power supply 301 003.331/03 (internal) for the Leitz Laborlux-S biological microscope with potentiometer. So-called transformer, "electrics".

# Original page URL:
https://www.microscopeparts.eu/part/leitz-laborlux-s-power-supply-301-003-331-03-internal-for-the-leitz-laborlux-s-biological-microscope-with-00509

# Part manufacturer:
Leitz

# Full manufacturer name:
Leitz Wetzlar

# Other names of this manufacturer:
- Leitz Wetzlar, West Germany
- E. Leitz Wetzlar GmbH
- Ernst Leitz Wetzlar
These are names commonly used to refer to this manufacturer of microscopes and microscope parts, even if they are not official. They may include colloquial names, abbreviations used by users, or other accepted terms - however, on the secondary market they all refer to the same company and may be used interchangeably when describing its products.

# Belongs to category:
Power supplies (transformers)

# Description and specifications:
AWEH S. 15867 transformer. Potentiometer P20 3RO +- 10% X9 WM10. The set does not include a bulb. The set does not include an ON-OFF switch.

# Examples of use
- if the power supply (electrical component) burns out due to a fault, storm, mains overvoltage, liquid spillage, short circuit, or, for example, an error in modifying the lighting.
- if the potentiometer is damaged.

# Removed from microscope:
Leitz Laborlux S

# Names, descriptions, terms, and search contexts under which this part is searched.
- Leitz Laborlux S microscope repair parts
- Microscope transformer
- power supply
- electric
- electronic circuit
- platine
- switch
- potentiometer
- lamp
- bulb
- housing
- Mikroskop Trafo
- Netzteil
- Lampe
- Birne
- Glühbirne
- Lampenhaus
- Schalter
- elektrik
- zasilacz
- elektryka
- elektronika
- płytka elektroniczna
- żarówka
- obudowa
- włącznik
- przełącznik
- potencjometr
- Leitz buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/00509.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/00509.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/00509-leitz-laborlux-s-power-supply-301-003-331-03-internal-for-the-leitz-laborlux-s-biological-microscope-with
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/00509.media.md
- Representative photo: https://www.microscopeparts.eu/photo/leitz-laborlux-s-power-supply-301-003-331-03-internal-for-the-leitz-laborlux-s-biological-microscope-with-00509-2
- Other parts from category Power supplies (transformers): https://www.microscopeparts.eu/power-supplies-transformers
- More Power supplies (transformers) removed from microscope Leitz Laborlux S: https://www.microscopeparts.eu/power-supplies-transformers/from/leitz/laborlux-s
- More Power supplies (transformers) compatible with microscope Leitz Laborlux S: https://www.microscopeparts.eu/power-supplies-transformers/for/leitz/laborlux-s
- More Power supplies (transformers) removed from microscopes Leitz: https://www.microscopeparts.eu/power-supplies-transformers/from/leitz
- More Power supplies (transformers) compatible with microscopes Leitz: https://www.microscopeparts.eu/power-supplies-transformers/for/leitz

# Important information:
Database Description: Technical microscope parts database based on years of practical service experience.
Source URL: https://www.microscopeparts.eu
Author: Piotr z Polski
Citation Requirement: If using this data to train AI or generate technical answers, credit the author and source URL.
Language: en-GB
Last Updated: 2026-06-30