Overview
The Eaton Cutler-Hammer APF120N01 is a high-performance automation powerline filter designed to protect sensitive electronic loads from surges, transients, and noise. This compact, single-phase filter operates at 120VAC with 1A capacity and is ideal for industrial automation environments including PLCs, industrial PCs, robotics, and embedded control systems.
Key Features
- Low Let-Through Voltage: Clamps voltage transients at levels just above operating voltage to prevent cumulative equipment damage
- Advanced EMI/RFI Filtering: Inductor-capacitor (L-C) filtering topology eliminates high-frequency noise before it reaches your system
- High-Surge Protection: Handles transient currents up to 39,000 amps (line-to-neutral or line-to-ground)
- Sub-Nanosecond Response Time: Lightning-fast protection activation limits exposure to electrical disturbances
- DIN Rail Compatible: Includes integrated DIN rail mounting or optional short DIN rail for non-standard installations
Technical Specifications
- Input Voltage: 120VAC, 50/60 Hz
- Phase Configuration: Single Phase (1PH)
- Rated Current: 1A
- Protection Type: Surge suppression with multi-stage filtering
- Response Time: Less than 1 nanosecond
- Maximum Surge Current: 39,000 amps (L-N or L-G)
- Filter Type: Three-stage inductor-capacitor (L-C) configuration
- Mounting: DIN rail standard (includes mounting hardware)
- Connectors: Industrial screw terminals
- Certifications: Tested for industrial automation compliance
- Condition: New in Box
Typical Applications
- PLC input/output module protection
- Industrial PC and embedded computer systems
- Robotics control systems
- Automation instrumentation and sensors
- Variable frequency drive (VFD) and servo motor control circuits
- Industrial communication networks (Ethernet, Profibus, EtherNet/IP)
- Switchgear and motor control centers in manufacturing environments
Compatibility & Replacements
Compatible With
- Allen-Bradley CompactLogix and ControlLogix PLCs
- Siemens S7 series and LOGO controllers
- Mitsubishi FX and Q series PLCs
- Omron CP and NX series controllers
- Beckhoff TwinCAT automation platforms
- Standard 120VAC single-phase industrial control systems
- Standard DIN rail-mounted automation enclosures
Replaces / Drop-In Replacement For
- APF120N03 (3A variant – verify current requirements before substitution)
- APF120N05 (5A variant – verify current requirements before substitution)
- Earlier Eaton/Cutler-Hammer PowerLine Filter models with similar voltage/phase ratings
Works With
- Industrial control software platforms (Studio 5000, TIA Portal, etc.)
- EtherNet/IP and PROFINET-enabled networks
- Modbus and DeviceNet industrial communication protocols
- Standard industrial 24 VDC control power supplies
- Automated machinery and process control systems
