Overview
The Square D 9001-SKT1G31 is a heavy-duty indicator pilot light engineered for industrial control panels, pushbutton assemblies, and machine status displays. Part of the Harmony 9001 K/SK series, this green lens pilot light provides reliable visual feedback across harsh manufacturing environments. The unit features a 30mm round design with green lens, 120VAC transformer supply, and plastic fresnel lens.
Key Features
- 30mm round profile fits standard panel cut-outs with simple screw-clamp terminal connections
- IP66-rated enclosure provides impact, dust, water, and vibration resistance for harsh environments
- NEMA 4/13 rated (oil-tight, water-proof, dust-tight); 9001SK operators are NEMA 4X corrosion-resistant
- Fresnel lens design enables clear color distinction and visibility at distance for rapid machine status recognition
- Conforms to IEC, UL, CSA, EN, and NOM standards; CE marked
- Integrated 110–120V AC 50/60 Hz transformer with 755 incandescent lamp
Technical Specifications
| Part Number | 9001-SKT1G31 |
| Manufacturer | Square D / Schneider Electric |
| Series | Harmony 9001 K/SK |
| Size | 30mm diameter |
| Lens Color | Green |
| Lens Style | Fresnel, plastic |
| Input Voltage | 110–120V AC, 50/60 Hz |
| Lamp Type | 755 incandescent |
| Supply | Integrated transformer |
| Bezel Material | Plastic |
| Light Module | Thermoplastic polyester |
| Terminal Type | Screw clamp |
| Enclosure Rating | IP66, NEMA 4/13 |
| Certifications | UL 508, CSA C22.2, CE, ABS |
| Environmental Rating | Hazardous location; oil-tight, dust-tight, water-tight |
| Condition | New in Box |
Typical Applications
30mm pilot lights are used in automotive, machine tool, crane and hoist, food and beverage, industrial, material handling, petrochemical, and wastewater treatment applications. Common uses include:
- Machine status indicators (run, stop, fault, ready)
- Pushbutton control station assemblies
- Panel-mounted visual alerts in control cabinets
- Emergency and hazardous location equipment
- Process monitoring feedback systems
Compatibility & Replacements
Compatible With
- Compatible with KP, KT, and SKP pilot light bases (9001G31 lens interchangeability)
- Square D Harmony 9001 30mm panel assemblies
- Standard 30mm diameter panel cut-outs
- Industrial control systems requiring 120VAC status indication
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The 9001-SKT1G31 shares the Harmony 9001 series platform with models 9001KP1G31, 9001SKP1G31, and similar 30mm green lens variants. Exact drop-in compatibility depends on bezel type (metal vs. plastic) and mounting method.
Works With
- Square D/Schneider Electric 30mm pushbutton and selector switch assemblies
- Manual or automated control logic systems
- Industrial automation HMI and SCADA panels
- Any 110–120V AC 50/60 Hz control circuit
