Overview
The Square D 9001-SKT1W31 pilot light is a 30mm push-to-test indicator designed for industrial control panel applications. Part of the Harmony 9001 series, this white lens unit provides clear visual status indication with a rugged plastic housing built for harsh environments. The SK-series construction includes a plastic bezel for superior corrosion resistance, making it ideal for wet, oily, or chemically challenging locations.
Key Features
- 30mm Size: Standard industrial control panel mounting footprint
- Push-to-Test Function: Allows quick lamp testing without breaking circuit connections
- SK-Series Bezel: Plastic housing for corrosion and impact resistance
- White Fresnel Lens: High-visibility indication with focused light output
- Heavy-Duty Enclosure Rated: IP66 protection, UL types 4, 4X, and 13
- Screw Clamp Terminals: Secure, tool-friendly connections for panel wiring
Technical Specifications
Typical voltage rating 110–120 VAC. BA9s or equivalent base standard. Plastic lens material with fresnel optics. Mounting hardware included for standard 30mm panel cutouts. NEMA enclosure rated 1/2/3/3R/4/4X/6/12/13. CE certified and UL listed per IEC 60947-1. Dimensions approximately 2.1 inches width × 1.6 inches height × 1.9 inches depth. Operating temperature range −20 °C to +60 °C.
Typical Applications
- Machine tool control panels and electrical enclosures
- Industrial automation systems and PLC-controlled equipment
- Power distribution panels and circuit breaker status indication
- Production line monitoring and fault indication
- Emergency systems and status display arrays
- Water treatment and chemical processing facilities
Compatibility & Replacements
Compatible With
- Square D Harmony 9001K / 9001SK / 9001KX series operators
- Standard 30mm control panel cutouts
- Industrial control panel wiring with 110–120 VAC supply
- Screw clamp and push-in terminal configurations
- NEMA 1/2/3/3R/4/4X/6/12/13 rated enclosures
Replaces / Drop-In Replacement For
- 9001-KP1W31 (incandescent white lens pilot light)
- 9001-KA-1 /H (equivalent white lens lamp module)
- Legacy Square D 30mm white indicator lights
Works With
- Schneider Electric / Square D Harmony automation components
- IEC 60947-1 compliant control circuit wiring
- Standard 24 VDC and 110–120 VAC industrial control systems
- Push-button and selector switch relay circuits
