Overview
The Square D 9001-SKT1A31 is a Harmony-series 30mm amber lens pilot light manufactured by Schneider Electric. This compact indicator lamp delivers clear visual status indication in industrial control panels, machine tool applications, and heavy-duty manufacturing environments. The 9001-SKT1A31 features a plastic bezel housing with amber fresnel lens and is supplied as a complete light module with integrated transformer for straightforward panel mounting.
Key Features
- 30mm diameter size — fits standard industrial panel cutouts
- Amber plastic fresnel lens for superior light distribution and visibility at distance
- IP66 rated — dust-tight, water-tight, and oil-resistant for harsh industrial environments
- LED lamp technology — long service life and low power consumption
- Integrated transformer included — 110/120V AC input, simplified installation with screw-clamp terminals
- Compliant with UL types 4, 4X, and 13 enclosure standards
- Impact and corrosion-resistant plastic body for durability in demanding applications
Technical Specifications
- Model: Square D 9001-SKT1A31
- Series: Harmony 9001 SK (plastic bezel)
- Lens Color: Amber
- Lens Type: Fresnel (plastic)
- Bezel Material: Black plastic
- Diameter: 30mm (1.18 inches)
- Lamp Type: LED
- Input Voltage: 110–120V AC, 50/60 Hz
- Average Lamp Life: 100,000 hours
- Mounting: Panel mount, direct screw-clamp connection
- Enclosure Rating: IP66; NEMA 1/2/3/3R/4/4X/6/12/13
- Operating Temperature: −13 to 158°F (−10 to 70°C)
- Certifications: UL 508, CSA, CE, RoHS Compliant
- Condition: New in Box
Typical Applications
The Square D 9001-SKT1A31 is ideal for:
- Machine tool control cabinets and operator interfaces
- Industrial automation and process control panels
- Power distribution equipment status indication
- Food and beverage processing equipment
- Manufacturing and assembly line status displays
- Chemical processing and hazardous location environments
- Water and wastewater treatment facilities
- Mining and heavy industry applications
Compatibility & Replacements
Compatible With
- Square D Harmony 9001 series push button and control stations
- Standard 30mm industrial control panel cutouts
- 110/120V AC, 50/60 Hz power distribution systems
- NEMA 4/4X and IP66-rated industrial enclosures
- Screw-clamp wiring terminals (standard industrial practice)
Replaces / Drop-In Replacement For
- 9001-KA-1 (amber lens module with transformer)
- Other 9001 SK/SKT series 30mm amber pilot lights with 110/120V transformer
- Verify specific compatibility with your system integrator before ordering to ensure correct voltage and lens color specifications.
Works With
- Schneider Electric Harmony series control stations and selector switches
- Industrial control systems using standard 110/120V AC transformer-supplied indicator lamps
- Panel-mounted wiring and terminal blocks (screw-clamp type)












