Description
The Marley Engineered Products 4520-2025-000 is an automatic-reset (A/R) high limit control designed to protect electric heating equipment from unsafe operating temperatures. Engineered for dependable overheat protection, this high limit switch interrupts the heating circuit when temperatures reach the set point and automatically resets once conditions return to a safe level — eliminating the need for manual intervention during normal cycling.
Product Overview
This high limit control carries the L180-40F designation, indicating a 180°F open (trip) temperature with a 40°F fixed differential, meaning the control automatically resets at approximately 140°F. It is a direct OEM replacement component for compatible Marley Engineered Products electric heating equipment, ensuring proper fit and reliable performance.
Key Features
- Automatic-reset (A/R) operation — no manual reset required under normal conditions
- Opens (trips) at 180°F to protect against overheating
- 40°F fixed differential — auto-resets at approximately 140°F
- OEM replacement part for Marley Engineered Products electric heaters
- Designed for reliable, long-service-life performance in heating applications
- Direct drop-in replacement for simplified installation
Application
This high limit control is intended for use in Marley Engineered Products electric heating units where overheat protection is required. It monitors supply air or component temperatures and opens the circuit to shut down the heating element if the set-point temperature is exceeded, safeguarding both the equipment and the building occupants.
Specifications
- SKU: 4520-2025-000
- Type: Automatic-Reset (A/R) High Limit Control
- Model Designation: L180-40F
- Open (Trip) Temperature: 180°F
- Differential: 40°F
- Reset Temperature: Approximately 140°F
- Reset Type: Automatic
- Brand: Marley Engineered Products
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