Definite Purpose Contactor · 30A 3-Pole 208-240V Coil Non-Reversing - Eaton C25DND330B
What this product is for
The Eaton C25DND330B is a definite purpose contactor used to switch line voltage loads in HVAC equipment, compressors, fan motors, condensers, unit heaters, and lighting control panels. It is built for applications that need a 3-pole contactor with a 208-240V AC coil.
Use for
Use for commercial and industrial control panels, rooftop units, refrigeration equipment, pump panels, and other equipment where a 30A, 3-pole, non-reversing contactor is specified. It is commonly used where the control circuit provides 208V or 240V AC coil voltage at 50/60 Hz.
Avoid for
Avoid for reversing applications, enclosed installations that require a factory enclosure, or control circuits that use 24V, 120V, or DC coils. Do not substitute coil voltage or pole count without confirming the equipment requirements.
Best for
Best for service replacement and OEM-style installation where electricians or HVAC technicians need a compact definite purpose contactor with quick-connect and screw-pressure plate terminations. It suits equipment with 3-phase or multi-pole switching requirements up to 30A inductive load.
Installed in
Typically installed in HVAC condensing units, air handlers, refrigeration systems, motor control assemblies, and lighting control equipment. The open contactor mounts on a metal plate inside a suitable control cabinet or equipment compartment.
Why this product exists
This contactor provides a straightforward way to switch medium-duty equipment loads from a separate control circuit. The 3-pole format allows simultaneous switching of multiple conductors, while the 208-240V AC coil matches common control voltages used in commercial equipment.
Compared with similar products
Compared with 2-pole contactors, this 3-pole model is suited to applications needing three switched poles. Compared with enclosed contactors, this version is intended for installation inside equipment. Quick-connect and screw-pressure plate terminals can help speed replacement work where the original layout allows it.
Typical buying guidance: match the coil voltage exactly, confirm the pole count, and verify the load type and amp rating before ordering. Actual suitability depends on the equipment design, control circuit, and local electrical code.
Specifications
- Manufacturer: Eaton
- Manufacturer part number: C25DND330B
- Product family: C25 definite purpose contactor
- Type: Definite purpose contactor
- Current rating: 30A inductive
- Resistive rating: 40A
- Poles: 3
- Coil voltage: 208-240V AC, 50/60 Hz
- Operation: Non-reversing
- Voltage rating: 600V AC
- Termination: Screw-pressure plate and quick-connect terminals, side-by-side
- Mounting: Open type with metal mounting plate
- MountingOpen type with metal mounting plate
- Product FamilyC25 definite purpose contactor
- Current Rating30A inductive
- Poles3
- Coil Voltage208-240V AC, 50/60 Hz
- OperationNon-reversing
- Voltage600V AC
- TerminationScrew-pressure plate and quick-connect terminals, side-by-side
- Resistive Rating40A
- BrandsEaton
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