Overview
The Numatics 228-840C solenoid valve coil is a plug-in replacement component for Mark 55 series directional control valves in pneumatic applications. This coil assembly provides electromagnetic actuation for valve shifting and is widely used in manufacturing, automotive, machine tool, and industrial automation equipment where precise pneumatic flow control is required.
Key Features
- Plug-in Design: 2-pin connector interface allows tool-free installation and replacement without disturbing piping or base connections
- 120 VAC 60 Hz Rating: Standard North American industrial power supply compatibility with 0.380 amp draw
- Mark 55 Series Compatibility: Direct fit for Numatics Mark 55 pneumatic directional control valve applications
- Lightweight Package: 1 lb unit simplifies handling and installation in tight mounting spaces
- Industrial-Grade Construction: Designed for continuous duty operation in manufacturing and process control environments
Technical Specifications
- Coil Voltage: 120 VAC (60 Hz) / 100-115 VAC (50 Hz)
- Current Draw: 0.380 amps nominal
- Connector Type: 2-pin plug-in
- Operating Temperature Range: –10°F to +115°F (–23°C to +46°C)
- Weight: 1.00 lb
- Series Compatibility: Mark 55 Pneumatic Directional Control Valves
- Pressure Rating: 28″ Hg vacuum to 150 PSIG
Typical Applications
- Pneumatic directional control valve actuation in manufacturing equipment
- Machine tool automation and hydraulic system pilot control
- Packaging machinery and material handling systems
- Assembly line automation requiring proportional valve switching
- Test stands and industrial process controls
Compatibility & Replacements
Compatible With
- Numatics Mark 55 series solenoid directional control valves
- ASCO Numatics Mark 55 pneumatic valve bases and manifolds
- Industrial pneumatic control systems operating on 120 VAC 60 Hz supply
Replaces / Drop-In Replacement For
- Original equipment OEM solenoid coil for Mark 55 series valves
- Direct replacement for worn or failed 228-840 coils in existing installations
Works With
- Standard industrial 120 VAC electrical systems
- Pneumatic directional control valve bases with 2-pin solenoid connector interface
- Numatics pressure ranges up to 150 PSIG and vacuum ratings
