Definite Purpose Contactor · 40A 2-Pole 120V Coil · Eaton C25BNB240A
What this product is for
This Eaton C25BNB240A is a definite purpose contactor used to switch line-voltage loads from a control circuit. It is commonly selected for HVAC equipment, refrigeration systems, compressors, fan motors, condensers, and other control panels that require a 2-pole contactor with a 110-120V AC coil.
Use for
Use for replacing or specifying a 40A 2-pole contactor in commercial, industrial, and service applications where the control circuit provides 110-120V AC. It is commonly used where a compact panel-mount contactor is needed for definite purpose motor control.
Avoid for
Avoid for applications that require a different coil voltage, different pole configuration, reversing duty, or enclosed assembly. Do not assume interchangeability based on amperage alone; coil voltage and terminal layout must also match the original device.
Best for
Best for HVAC and equipment service work where you need an Eaton C25 series replacement with 2 poles, 40A inductive rating, and a 110-120V AC 50/60 Hz coil. It also suits panel builders standardizing on Eaton definite purpose contactors.
Installed in
Typically installed in rooftop units, condensing units, air handlers, refrigeration equipment, pump controls, and light industrial motor control panels. Mounting space and terminal orientation should be checked against the existing assembly before ordering.
Why this product exists
This contactor provides a compact way to control higher-current loads from a lower-power control circuit. For electricians and HVAC technicians, the key selection points are usually coil voltage, number of poles, current rating, and fit within the existing enclosure or mounting plate.
Compared with similar products
Compared with general-purpose contactors, a definite purpose contactor is typically chosen for HVAC and equipment OEM replacement work. A common rule of thumb is to replace like-for-like on coil voltage and pole count first, then confirm current rating, terminal style, and mounting dimensions. Actual suitability depends on the equipment design, load characteristics, and local electrical code.
Specifications
- Manufacturer: Eaton
- Manufacturer part number: C25BNB240A
- Product family: C25 series definite purpose contactor
- Type: Non-reversing definite purpose magnetic contactor
- Poles: 2
- Current rating: 40A inductive
- Resistive rating: 50A
- Coil voltage: 110-120V AC
- Frequency: 50/60 Hz
- Voltage rating: up to 600 VAC
- Mounting: Panel mount, compact open type with metal mounting plate
- Typical application: HVAC, refrigeration, compressors, fan motors, and motor control panels
- ApplicationHVAC, refrigeration, compressors, fan motors, and motor control panels
- Coil Voltage110-120V AC
- Poles2
- Current Rating40A inductive
- Frequency50/60 Hz
- MountingPanel mount, compact open type with metal mounting plate
- Voltageup to 600 VAC
- Product FamilyC25 series definite purpose contactor
- Resistive Rating50A
- BrandsEaton
- Stock in Flesherton1
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