Description
Cutler Hammer-Eaton C25DNF240B Definite Purpose Contactor Overview
The Cutler Hammer-Eaton C25DNF240B is a heavy-duty, non-reversing definite purpose contactor engineered for reliable switching in HVAC and light commercial applications. Designed to handle the demanding start-and-stop cycles of compressors, condensing units, air handlers, and other motor loads, this contactor delivers consistent performance and long service life in the field.
Key Features
- 2-pole configuration for single-phase motor and load switching
- 40-amp continuous current rating for robust load handling
- 208/240VAC coil voltage, 50/60 Hz — compatible with standard residential and light commercial power supplies
- Non-reversing design for straightforward on/off control
- Open type enclosure allows for easy inspection and wiring access
- Includes metal mounting plate for secure, vibration-resistant installation
- Definite purpose rated — built specifically for HVAC and refrigeration duty cycles
Specifications
- SKU / Part Number: C25DNF240B
- Brand: Cutler Hammer-Eaton
- Poles: 2
- Amperage: 40A
- Coil Voltage: 208/240VAC
- Frequency: 50/60 Hz
- Enclosure Type: Open
- Operation: Non-Reversing
- Mounting: Metal Mounting Plate Included
- Application: Definite Purpose (HVAC/Refrigeration)
Applications
- Air conditioning compressors and condensing units
- Air handlers and fan coil units
- Heat pumps and refrigeration equipment
- Light commercial motor control panels
- Single-phase motor switching applications
Why Choose the Eaton C25DNF240B?
Eaton’s definite purpose contactors are a trusted choice among HVAC technicians and contractors for their durability, ease of installation, and broad compatibility with OEM equipment. The included metal mounting plate simplifies retrofits and new installations alike, while the open enclosure design ensures straightforward wiring access on the job site. With a 208/240VAC coil voltage covering the most common residential and commercial supply voltages, the C25DNF240B is a versatile, go-to replacement and new-installation contactor.







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