Square D Dry Type Encapsulated Transformer — 5kVA, 1-Phase, NEMA 3R
The Square D model 5S1FSS is a dry type, encapsulated single-phase transformer from Schneider Electric, rated at 5 kVA with a 240x480V primary and 120/240V secondary. Housed in a NEMA 3R stainless steel enclosure for wall mounting, this transformer is suited for outdoor and semi-protected indoor applications where moisture resistance is required. TAA compliant.
Key Specifications
- Model: 5S1FSS
- Type: Dry Sealed Transformer (Encapsulated)
- kVA: 5
- Phase: 1-Phase
- Primary Voltage: 240 x 480V
- Secondary Voltage: 120/240V
- Temperature Rise: 115C
- Enclosure: NEMA 3R
- Material: Stainless Steel
- Mounting: Wall
- Compliance: TAA
- UPC: 78590133837
Features
- Encapsulated dry type design for reliable, low-maintenance operation
- NEMA 3R stainless steel enclosure provides protection from rain, sleet, and external ice formation
- Wall mount configuration for space-efficient installation
- 115C temperature rise for efficient thermal performance
- TAA compliant for government and federal project requirements
- Dual primary voltage (240x480V) for installation flexibility
Applications
Designed for step-down transformer applications in commercial, industrial, and outdoor utility installations. Suitable for locations requiring a weather-resistant NEMA 3R enclosure, including equipment pads, exterior walls, and outdoor switchgear areas.








