email-icon.png

[email protected]

phone-icon.png

+1 800-789-2851

Float Switches and Level Sensors for Hydraulic Fluid Power Systems and Power Units

Innovative Components manufactures float switches and fluid level sensors for hydraulic power units, HPU reservoirs, power packs, and fluid power OEM equipment. Our sensors provide reliable low-level alarms, shutdown signals, and level indication for hydraulic systems in industrial machinery, mobile equipment, and CNC machine tool applications.Our hydraulic fluid level switches are available in stainless steel and brass/buna configurations, compatible with petroleum-based hydraulic oils and synthetic fluids. Standard NPT-threaded vertical mount designs fit most reservoir sizes, and custom lengths and multi-level configurations are engineered for OEM applications with specific space or electrical requirements. We also offer thermostat control switches for hydraulic fluid temperature monitoring, available as a standalone sensor or integrated with float switch assemblies for combined level and temperature protection.

Applications in Fluid Power Systems

Float switches are vital to monitoring and controlling precise fluid levels in hydraulic and pneumatic systems. Common applications include:

  • Fluid level monitoring for hydraulic reservoirs,
  • Fluid regulation for pneumatic systems,
  • Cooling and lubrication systems,
  • Water and wastewater management,
  • Pressure control for fluid tanks, and
  • Pump automation and overflow prevention.

How Float Switches Are Used for Hydraulic Liquid Monitoring

Water level switches and fluid power float switches detect changes in fluid levels, triggering automated responses to maintain optimal performance. These switches enhance hydraulic liquid monitoring, prevent system failures, and ensure efficient operation in industrial fluid power applications.

Our Hydraulic Float Switch and Level Sensor Solutions

Low Level Switch with Hirschmann DIN | 92174

$190.00

Add to Cart

Hydraulic oil low level – P/N# 92132

$330.00

Add to Cart

|| Brass & Buna || LS-22-100

Price range: $31.70 through $40.25

Add to Cart

Frequently Asked Questions

Q: What type of float switch is used in a hydraulic power unit reservoir?

A: Hydraulic power unit reservoirs typically use a vertical-mount float switch with a stainless steel stem and Buna-N or stainless steel float, installed through the top or side of the reservoir. Most HPU applications require a low-level alarm switch to trigger an audible/visual alert or system shutdown before the oil level drops to a point that could damage the pump. Some power units also use a second switch point for a high-level alarm to detect overfill. Innovative Components manufactures custom multi-level float switches for these dual-function HPU applications.

A: Yes. For synthetic hydraulic oils and high-performance fluids, we recommend specifying float material based on the fluid’s chemical composition and specific gravity. Our engineering team reviews compatibility for each application. Standard Buna-N floats work well with most petroleum-based hydraulic oils; specialty materials are available for synthetic or fire-resistant hydraulic fluids.

A: Yes. Our compact stainless steel float switches are used in mobile hydraulic applications including construction equipment, material handling vehicles, and agricultural machinery. These applications typically require vibration-resistant designs with secure NPT or flange mounting to prevent loosening during machine operation.

A: A hydraulic level sensor (float switch) provides an electrical switch signal at a specific oil level — used for alarms, pump protection, or automated controls. A level indicator provides a visual reference showing the current fluid level in the reservoir. Innovative Components offers both: float switches for electrical level control and visual level indicators for direct reservoir inspection.

A: Yes. Innovative Components is an OEM supplier of float switches and level sensors to hydraulic equipment manufacturers. We offer custom-configured sensors built to your specifications, volume pricing with no minimum order requirement, and engineering support to confirm material compatibility and switch configuration for your hydraulic system design.

Didn't find what you're looking for? Configure a custom float!

Talk to an Expert