Description
Siemens 42DF35AF Definite Purpose Contactor Overview
The Siemens 42DF35AF is a heavy-duty definite purpose contactor engineered for reliable load switching in commercial and residential HVAC applications. With a 3-pole configuration, 50-amp current rating, and a 120-volt coil, this contactor is well-suited for controlling compressors, condensing units, air handlers, and other motor-driven HVAC equipment where dependable electrical switching is critical.
Key Features
- 3-Pole configuration for three-phase or multi-leg load control
- 50 Amp continuous current rating for high-load HVAC applications
- 120V coil voltage for compatibility with standard control circuits
- Definite purpose design optimized for HVAC compressor and motor loads
- Siemens quality construction for long service life and dependable operation
- Compact form factor for easy panel or enclosure installation
Typical Applications
- Air conditioning compressors and condensing units
- Commercial rooftop units and air handlers
- Heat pumps and refrigeration equipment
- Fan and blower motor control circuits
- Industrial and commercial HVAC control panels
Specifications
- SKU: 42DF35AF
- Brand: Siemens
- Poles: 3
- Amperage: 50 Amps
- Coil Voltage: 120V
- Type: Definite Purpose Contactor







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