Overview
The Furnas 42EF35AJ is an industrial-grade Class 42 definite purpose contactor engineered for dependable motor control and load switching in demanding applications. Rated at 60A maximum load current with a 24V AC coil operating at 50/60 Hz, this contactor delivers the performance required by controls engineers and maintenance technicians in HVAC, pump, and production line environments. The unit’s robust silver-cadmium oxide contacts ensure low contact resistance and extended operational life.
Key Features
- 60 amp maximum load current, 3-pole configuration
- 24V AC coil, 50/60 Hz rated for global applications
- Silver-cadmium oxide contacts for reliable switching performance
- Open enclosure design with DIN rail mounting capability
- Class 42 motor control rated: 20 HP @ 240V, 40 HP @ 480V, 40 HP @ 600V
- Operating temperature range -40 to 65°C for harsh industrial conditions
Technical Specifications
- Maximum Load Current: 60 amps
- Poles: 3-pole
- Coil Voltage: 24V AC
- Frequency: 50/60 Hz
- Contact Material: Silver-cadmium oxide
- Enclosure Type: Open
- Mounting: DIN rail compatible
- Operating Temperature: -40 to 65°C
- Contact Housing: Thermoset polyester
- Series: Model F, Class 42
Typical Applications
The Furnas 42EF35AJ is widely deployed in:
- HVAC systems: Air conditioning and heating unit motor control
- Pump applications: Water circulation and pressure control
- Industrial motor control: Production machinery and conveyor systems
- Compressor starting: Refrigeration and pneumatic systems
- Multi-phase motor switching: Three-phase motor load management
Compatibility & Replacements
Compatible With
- Class 42 motor control systems and Class 42 starters
- Standard industrial control circuits rated 24V AC
- DIN rail mounted control panel assemblies
- HVAC and refrigeration control systems
- Three-phase motor circuits up to 600V
Replaces / Drop-In Replacement For
- Furnas/Siemens 42EF35AJ (original part number)
- Equivalent to Eaton C25FNF360T (modern replacement option)
- YuCo YC-CN-42-603-1 (compatible alternative)
Works With
- Class 42 and Class 45 series definite purpose contactors
- Standard 24V AC control circuit architectures
- Thermal overload relays and motor starters
- DIN rail mounted control enclosures
- Multi-phase motor protection and control schemes
