Overview
The IDEC ASW3L22 is a 22mm non-illuminated selector switch from IDEC’s TW Series, designed for robust industrial control applications. This 3-position maintained selector switch provides reliable circuit switching with a compact footprint, making it ideal for panel-mounted control stations in manufacturing, process control, and machinery automation. The switch is rated for 10A continuous current and features modular construction for maximum flexibility in contact arrangements.
Key Features
- 22mm mounting diameter with octagonal chrome-plated bezel
- 3-position maintained operation with 45° lever operator
- Modular snap-on contact blocks for easy customization
- Self-cleaning contact mechanisms for reliable switching
- Corrosion-resistant housing and fracture-resistant nylon body
- NEMA 4X and IP65 watertight/oil-tight panel sealing
- UL Listed, CSA Certified, CE Marked, and TUV Approved
Technical Specifications
- Mounting Size: 22mm diameter
- Operating Positions: 3 positions maintained
- Contact Configuration: 2NO/2NC (2 normally open, 2 normally closed) per standard circuit
- Rated Current: 10A continuous at rated voltage
- Insulation Voltage: 600V
- Electrical Connection: M3.5 screw-clamp terminals
- Operating Voltage Range: 24V to 440V AC/DC
- Mechanical Life: 500,000 cycles minimum
- Operator Type: 45° lever
- NEMA Ratings: NEMA 1, 2, 3, 3R, 3S, 4, 4X, 5, 12, 13
- IP Rating: IP65
- Certifications: UL, CSA, CE, TUV
- Bezel Material: Chrome-plated steel
- Body Material: Nylon
Typical Applications
IDEC TW Series selector switches control the operation of industrial machines and devices to select between multiple electrical circuits. Common applications include:
- Selector stations on conveyors and pumps for manual/automatic mode switching
- Process parameter selection in water treatment, chemical processing, and food manufacturing
- Temperature, pressure, and flow rate control selection
- Machine run/stop/emergency control stations
- Pneumatic and hydraulic circuit switching
- Alarm activation and process monitoring logic
Compatibility & Replacements
Compatible With
- Panel-mount control enclosures with 22mm knockout holes
- NEMA 1, 2, 3, 3R, 3S, 4, 4X, 5, 12, and 13 rated cabinets
- Industrial control circuits rated 24V to 440V AC/DC
- Modular TW Series contact blocks and operator handles
- Standard M3.5 screw-terminal wiring practices
Replaces / Drop-In Replacement For
The ASW3L22 base unit works with various circuit configurations. Common related part numbers in the TW Series include ASW3L22-210, ASW3L22-309, and ASW3L22-310. Verify your specific circuit configuration (contact arrangement) before ordering to ensure compatibility with your existing application.
Works With
- Modular IDEC TW Series contact assemblies (HW-U snap-on blocks)
- Standard industrial control wiring and terminal practices
- Existing IDEC pushbutton stations and pilot light modules
- Pneumatic control circuits and hydraulic circuit selection
- Conventional relay logic and PLC input modules














