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AllPoints HH18HA495 Hi Limit Switch Thermal Safety Control

Other  |  MFG #: HH18HA495  |  Item #: 1454669
Item: #1454669

Technical details
Manufacturer Carrier
Model Number HH18HA495
Manufacturer Part # HH18HA495
Height 0.7"
Width 0.7"
Depth 1.4"
Weight 0.02 lbs
Hazardous False
Product Type OEM

About this item

Product Details

The Carrier HH18HA495 Hi Limit is a critical OEM component designed for industrial and commercial HVAC systems to regulate temperature safety thresholds. Manufactured by Carrier, this high-limit switch ensures accurate temperature cut-offs, preventing overheating and equipment damage. It features a durable construction with precise calibration, supporting robust performance in demanding environments. This component is essential for technicians optimizing safety protocols in commercial refrigeration, heating, and air conditioning applications, with technical specifications including a compact form factor of approximately 0.7 inches in height and 0.7 inches in width, and a depth of 1.4 inches. Its reliable operation helps maintain system integrity and safety compliance across various industrial setups.

Top Carrier HH18HA495 Features

The Carrier HH18HA495 Hi Limit integrates a temperature-sensitive switch that reliably opens circuits at preset limits, ensuring system safety. Constructed with durable materials suited for high-temperature cycles, it facilitates easy installation and maintenance due to standardized mounting compatibilities. Designed for use in HVAC safety control circuits, it provides accurate limit detection in refrigeration and heating units, supporting consistent system performance. Its technical design promotes swift responses to thermal fluctuations, minimizing downtime and potential damage in commercial environments.

  • Temperature-activated switch: Ensures rapid shutdown at preset thermal limits
  • Durable construction: Built with high-grade, heat-resistant materials for long service life
  • Compact and straightforward installation: Fits standard OEM mounting configurations
  • Precise calibration: Supports accurate safety cut-offs critical in refrigeration systems
  • Low-maintenance design: Facilitates quick diagnostics and replacement in daily operations

Suitable for technical integration in HVAC safety controls and thermal protection circuits

Carrier HH18HA495 Technical Specs

The Carrier HH18HA495 Hi Limit features an operating voltage compatible with standard HVAC system circuits, with a typical amperage rating supporting reliable switching at temperature thresholds. It operates within a temperature range suited for high-heat environments, utilizing a self-contained design ideal for robust industrial applications. The switch measures approximately 0.7 inches in height, 0.7 inches in width, and 1.4 inches in depth, with a minimal weight of 0.02 lbs, enabling easy retrofitting in existing equipment. Constructed primarily from durable, heat-resistant materials, it ensures longevity under continuous thermal stress. The component supports regular maintenance routines through straightforward disassembly, with its compact form facilitating integration into restricted spaces in commercial HVAC units.

  • Electrical Requirements: Compatible with standard HVAC circuit voltages, amps, and wattages
  • Temperature Range: Designed for high-temperature environments, max safe temperature 200°F
  • Construction & Finish: Made with heat-resistant metals and a corrosion-proof exterior
  • Dimensions: 0.7" height x 0.7" width x 1.4" depth
  • Weight: 0.02 lbs, facilitating lightweight and easy installation
  • Operation Type: Thermal safety switch for system protection
  • Electrical Compatibility: Must be installed with systems operating within specified voltage and current
  • Mounting Requirements: Compatible with OEM mounting brackets and standard control panels
  • Drainage & Clearance: Requires proper clearance for thermal expansion and maintenance access
  • Cleaning & Inspection: Easily disassembled for routine checks and calibration
  • Operational Safety: Supports circuit monitoring and emergency shutdown procedures in commercial HVAC systems

What is a commercial high limit switch?

A commercial high limit switch is a safety device used in heating, refrigeration, and HVAC systems to automatically interrupt electrical flow when temperature exceeds preset safety thresholds. The Carrier HH18HA495 is a prime example, designed for use in industrial systems like commercial air handlers and refrigeration units. It functions by detecting thermal conditions and triggering system shutdowns to prevent overheating, supporting reliability in high-demand environments. Typically installed in systems requiring precise temperature cutoff, it ensures operational safety and protects equipment from thermal damage, making it suitable for mid-volume HVAC operations and industrial applications.

Top commercial safety switches for HVAC and refrigeration systems

Top high limit safety switches ensure reliable thermal protection and enhance equipment safety in commercial HVAC and refrigeration environments. Carrier HH18HA495 features robust design and precise temperature sensitivity for moderate workload settings, supporting installation in various industrial control circuits, ideal for facility maintenance and system longevity.

  • Industrial HVAC safety solutions
  • Compact commercial controls for tight spaces
  • Thermal protection in refrigeration units
  • Support for moderate system workloads
  • Best for HVAC safety control circuits

Why Choose Carrier HH18HA495

Why choose the Carrier HH18HA495 over similar high limit switches is its robust construction, precise calibration, and compatibility with standard OEM mounting points. Designed with durable, heat-resistant materials, it offers reliable safety shutdowns in demanding commercial HVAC environments, reducing maintenance time and improving safety protocols. Its compact size simplifies retrofit and installation in existing systems, ensuring consistent performance across varied industrial settings.

  • Built with high-grade, heat-resistant materials for durability
  • Compact footprint for seamless OEM integration
  • Supports quick replacement and routine maintenance
  • Optimized for reliable system safety shutoff
  • Designed to withstand continuous thermal cycling under industrial conditions

Customer reviews

Carrier HH18HA495 Hi Limit
AllPoints Other

AllPoints HH18HA495 Hi Limit Switch Thermal Safety Control

$13.18

Carrier HH18HA495 Hi Limit