Description
The Rheem-Ruud 42-109499-19K is an OEM-grade, 40-amp, 3-pole, 3-phase contactor engineered specifically for use in A2L refrigerant-compatible HVAC systems. Designed to meet the demands of modern commercial and residential equipment transitioning to next-generation low-GWP A2L refrigerants, this contactor delivers dependable switching performance and long service life. The included auxiliary contact (W/AUX) enables control circuit monitoring, interlock wiring, and status feedback — making it an ideal fit for advanced system configurations.
Key Features
- OEM Rheem-Ruud replacement part — direct-fit for compatible equipment
- 40-amp (40A) rated current capacity for robust load handling
- 3-pole (3P) configuration for 3-phase (3PH) power applications
- Rated for use with A2L mildly flammable refrigerant systems
- Includes auxiliary contact (W/AUX) for control circuit integration and status monitoring
- Built to OEM specifications for reliable, long-term operation
Applications
- Rheem and Ruud commercial and residential HVAC condensing units
- 3-phase air conditioning and heat pump systems using A2L refrigerants
- Systems requiring auxiliary contact for safety interlocks or BAS integration
Product Specifications
- SKU: 42-109499-19K
- Brand: Rheem-Ruud
- Amperage: 40A
- Poles: 3-Pole (3P)
- Phase: 3-Phase (3PH)
- Refrigerant Compatibility: A2L
- Auxiliary Contact: Included (W/AUX)
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