Elesa+Ganter 113187 HCK.127-ZN-M12-FKM-GL-P-E-SW Electrical Level Indicator
The Elesa+Ganter 113187 HCK.127-ZN-M12-FKM-GL-P-E-SW electrical level indicator is a compact column level indicator designed for fluid reservoirs that require both visible level inspection and flexible electrical signalling. It is especially relevant for hydraulic systems, lubrication tanks and machinery where minimum fluid level must be monitored with a change-over contact.
Elesa+Ganter 113187 HCK.127 SW Electrical Level Indicator Technical Specification Highlights
This HCK.127 model uses a 127 mm hole centre distance, M12 connection and zinc-plated steel fixing elements. It is equipped with FKM sealing rings and a GL borosilicate glass transparent tube. The GL tube configuration supports oil, water and water-glycol based solutions up to 50%, making it suitable for a wider range of industrial fluid applications than oil-only versions.
The SW designation refers to a change-over electrical contact. Instead of working only as normally open or normally closed, the SW contact switches between two terminals when the minimum level is reached. This gives machine designers more wiring flexibility and allows the same indicator to support different control logic requirements.
Where the SW Contact Adds Value
The change-over function is useful when a system needs both a normal-state signal and a low-level signal, or when the control panel must be configured for different alarm behaviours. In machinery upgrades, the SW version can also reduce redesign effort because it gives electrical engineers more options during integration.
Common Application Environments
The Elesa+Ganter 113187 HCK.127 electrical level indicator can be used in hydraulic power packs, industrial presses, lubrication systems, manufacturing machinery, test equipment and fluid storage assemblies. Its readable column design helps maintenance teams confirm the actual level at the machine, while the electrical sensor supports structured monitoring.
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Frequently Asked Questions
What is the purpose of the SW contact?
The SW contact is a change-over contact. It switches between two terminals when the minimum fluid level is reached, offering more wiring flexibility than a single NO or NC contact.
Is the 113187 model suitable for water-glycol fluids?
Yes. The GL borosilicate glass tube version is suitable for oil, water and water-glycol based solutions up to 50%, depending on the application conditions.
Why would an engineer choose SW instead of NO or NC?
SW is useful when the control system may need either open or closed signal logic, or when a change-over signal is preferred for panel design.
What does FKM contribute?
FKM sealing rings provide higher temperature suitability and improved resistance for demanding fluid monitoring environments.
Can this level indicator support preventive maintenance?
Yes. It gives operators a clear visual reading and provides an electrical minimum-level signal, helping teams act before low fluid level affects the machine.