Overview
The Furnas 42BD107079 is a Class 42 definite purpose contactor designed for reliable load switching in industrial and commercial applications. With a 30A full load amperage rating and 24VDC coil voltage, this 3-pole unit provides robust electrical switching performance for HVAC, refrigeration, fans, blowers, and general motor control circuits. Furnas contactors are engineered with welded silver-cadmium oxide contacts and reinforced thermoset polyester housing for long operational life and quiet operation.
Key Features
- Class 42 definite purpose contactor design
- 30A full load amperage rating with 24VDC coil
- 3-pole configuration for three-phase control
- Welded silver-cadmium oxide contacts for reliable switching
- Compact, space-saving construction
- Contact covers and taped coils standard
Technical Specifications
Electrical Ratings:
- Full Load Amps (FLA): 30A
- Coil Voltage: 24 VDC
- Number of Poles: 3
- Maximum Voltage (1-Phase/3-Phase): 240V / 480V AC
- Contact Rating (Resistive): 40A per pole
- Holding Coil Current: Integral voltage drop
Physical Specifications:
- Housing Material: Reinforced thermoset polyester
- Contact Type: Welded silver-cadmium oxide
- Standard Features: Contact covers, taped coils
- Mounting: Standard DIN or panel mount compatibility
Typical Applications
The Furnas 42BD107079 is ideal for:
- HVAC and air-conditioning systems
- Refrigeration compressor control
- Industrial motor starting and control
- Fan and blower motor switching
- Pump and pressure vessel applications
- General-purpose industrial switching circuits
Compatibility & Replacements
Compatible With
- 24VDC power supplies and control systems
- Standard three-phase AC motor circuits (208V–480V)
- HVAC and refrigeration control panels
- Industrial automation and motor control centers
- Definite purpose control systems rated for 30A switching
Replaces / Drop-In Replacement For
Verify specific replacement compatibility with your system integrator before ordering. The Furnas 42BD107079 is designed as a direct replacement in Class 42 definite purpose contactor applications requiring identical electrical specifications (30A, 24VDC, 3-pole).
Works With
- 24VDC coil drivers and power supplies
- Industrial control relay logic and automation systems
- Pressure switches and float switches common in HVAC/refrigeration
- Overload relays and thermal protection devices
- Standard magnetic starter and contactor panels
