Copeland 3L01-350 Snap Disc Auto Reset Temperature Limit Switch

Description

Overview

The Copeland 3L01-350 is a precision temperature control limit switch engineered for reliable high-temperature protection in HVAC and refrigeration applications. Featuring snap disc technology with automatic reset, this switch delivers consistent, repeatable performance wherever accurate temperature-based switching is required.

Key Features

• Fixed 310°F cut-in temperature for precise activation
• Fixed 350°F cut-out temperature for reliable high-limit protection
• Open-on-rise switch action — circuit opens as temperature rises to cut-out setpoint
• Snap disc mechanism ensures fast, positive switching action
• Auto reset design — automatically restores circuit once temperature drops back to cut-in setpoint
• Compact form factor for easy integration into existing control panels and equipment

Specifications

• SKU / Part Number: 3L01-350
• Manufacturer Cross Reference: 60T11-610068
• Cut-in Temperature: 310°F (Fixed)
• Cut-out Temperature: 350°F (Fixed)
• Switch Action: Open on Rise
• Reset Type: Automatic (Auto Reset)
• Switch Type: Snap Disc Limit Switch
• Brand: Copeland

Application

Ideal for use as a high-limit safety control in compressor systems, heating equipment, and other HVAC/R applications where over-temperature protection is critical. The open-on-rise action ensures the controlled circuit is de-energized when temperatures reach the 350°F cut-out threshold, protecting equipment from heat damage and unsafe operating conditions.