Overview
The Furnas 42BE15AJ is a Class 42 definite purpose contactor engineered for robust switching control in industrial and commercial applications. Definite purpose contactors were invented for specific switching applications for OEM and manufacturers of machinery such as HVAC, refrigeration, fans, blowers, and welders. This compact, reliable unit delivers proven performance in motor control, compressor circuits, and fan systems.
Key Features
- 2-pole configuration for dual-phase motor and compressor control
- 30-amp full load rating with 40-amp resistive capacity for flexible application matching
- 24-volt AC coil (60 Hz) for compatibility with standard control systems
- Compact, open-frame design minimizes footprint in control enclosures
- Welded, silver-cadmium oxide contacts resist arcing and extend service life
- Reinforced thermoset polyester housing for durability and quiet operation
Technical Specifications
- Manufacturer: Furnas Electric Co. (Siemens)
- Part Number: 42BE15AJ
- Contactor Type: Definite Purpose (Class 42)
- Number of Poles: 2
- Full Load Amperage (FLA): 30 A
- Resistive Amperage Rating: 40 A
- Coil Voltage: 24 VAC
- Coil Frequency: 60 Hz
- Contact Type: Silver-cadmium oxide
- Housing Material: Reinforced thermoset polyester
- Mounting: Open frame (surface or DIN rail compatible with adapter)
- Weight: Approximately 1.0 lb
- Operating Environment: Industrial/commercial control enclosures
Typical Applications
- HVAC compressor and condenser motor control
- Refrigeration equipment switching
- Fan and blower motor circuits
- Industrial motor starters and circuits
- Welding equipment control
- Agricultural and commercial machinery automation
- Control circuits up to 30 amps continuous duty
Compatibility & Replacements
Compatible With
- Standard industrial control enclosures and panels
- 24 VAC control power supplies and relay circuits
- Motor control circuits rated 30 A FLA or less
- HVAC and refrigeration system controls
- Manual and automatic switching applications
- DIN-rail mounting systems (with adapter)
Replaces / Drop-In Replacement For
- Verify compatibility with original equipment documentation before substitution
- Consult with your system integrator or controls engineer for equivalent models in your specific equipment
- Check coil voltage, pole count, and amperage rating against existing contactors
Works With
- Legacy and modern HVAC control systems
- Standard industrial relay logic and control circuits
- PLC-based automation systems with 24 VAC output
- Variable frequency drives (VFDs) for motor control applications
- Hardwired motor starters and control panels
- Siemens/Furnas ecosystem and components
