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Marley Engineered Products 4520-2024-000 M/R Limit Switch L120-25F

Special Price $36.04 Regular Price $46.85
In stock
SKU
4520-2024-000
Marley Engineered Products 4520-2027-000 Limit Switch with Manual Reset is an essential safety part of the HVAC systems. This is a high-quality switch that turns on at 150°F to prevent overheating of the system it is fitted in. It interrupts the circuit when the temperature limit is attained to avoid severe damage or system breakdown. It has a manual reset so users can safely reset the system when the temperature has cooled down. This is a durable and reliable product built for long environments and provides long-lasting performance. This limit switch works ideally in applications that demand precise temperature control and safety.
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Specifications

  • Type: Limit Switch
  • Temperature: 120°F-25°F
  • Reset Type: Manual
Manufacturer Name: Marley Engineered Products
Product Number: 4520-2024-000
OEM Part Number: 4520-2024-000
Product Description: L120-25F Limit Switch
Weight:0.08lbs/36.29g

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Customer Questions
What maintenance is required for the Marley Engineered Products 4520-2024-000 Limit Switch?

Inspect the limit switch regularly for dust, debris, and loose wiring connections. Clean contacts carefully using a dry cloth and ensure the actuator moves freely. Check alignment and mounting stability to maintain switching performance and prevent overheating or false triggering.

What are common issues with the Marley Engineered Products 4520-2024-000 Limit Switch?

  • Contact wear or pitting causing intermittent switching.
  • Misalignment of actuator leading to inconsistent operation.
  • Loose wiring or terminal connections.
  • Mechanical sticking due to debris or contamination.
  • Overheating from electrical overload or poor airflow.

Installation Steps

Step 1: Turn off power supply and unplug the equipment for safety.

Step 2: Remove old limit switch and note wiring positions.

Step 3: Mount new switch in same orientation and secure screws.

Step 4: Reconnect wiring per diagram and tighten terminals.

Step 5: Restore power and test operation for proper cutoff response.