Description
The AAON R42540 is a genuine OEM replacement contactor engineered for use in AAON commercial HVAC equipment. Featuring a 3-pole configuration, 50-amp load capacity, and a 24-volt coil, this contactor is designed to handle the demanding switching requirements of rooftop units, air handlers, and other commercial HVAC systems.
Key Features
- Genuine AAON OEM replacement part (SKU: R42540)
- 3-pole design for three-phase load switching
- 50-amp rated load current for heavy-duty HVAC applications
- 24V coil voltage — compatible with standard HVAC control circuits
- Built for reliable, long-service-life operation in commercial equipment
- Direct replacement for AAON rooftop units and air handling systems
Specifications
- Part Number: R42540
- Brand: AAON
- Poles: 3
- Rated Current: 50A
- Coil Voltage: 24V
Application
This contactor is a direct OEM replacement for AAON commercial HVAC systems. Using genuine AAON replacement parts ensures proper fit, function, and equipment longevity. Always verify compatibility with your specific AAON unit model before installation. Installation should be performed by a qualified HVAC technician.







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