Product Description
The GE 9T83B3874 is a 75 kVA, 3-phase, Type QL dry-type general-purpose transformer designed to safely step down voltage from 480 VAC to 208Y/120 VAC. Ideal for commercial, industrial, and utility applications, this transformer provides reliable power distribution with robust construction and efficient performance.
Key Features:
• Power Rating: 75 kVA
• Phase: 3-phase
• Primary Voltage: 480 VAC
• Secondary Voltage: 208Y/120 VAC
• Frequency: 60 Hz
• Windings: Aluminum with copper ground strap
• Enclosure: NEMA 2 drip-proof, indoor use (convertible to NEMA 3R with weather shield)
• Insulation System: UL recognized 220°C, 150°C temperature rise
• Voltage Taps: 6 taps total (2 x +2.5%, 4 x -2.5%) to adjust for line voltage variations
Technical Specifications:
• Manufacturer: General Electric (GE)
• Transformer Type: Type QL dry-type general-purpose
• Application: Step-down transformer for commercial and industrial power systems
• Mounting: Indoor, floor or pad-mounted
• Safety: UL recognized, meets NEMA standards
Applications:
• Powering low-voltage equipment in industrial plants
• Commercial building electrical distribution
• HVAC systems and motors
• Lighting and receptacle panels requiring 208Y/120 VAC
• Backup or supplemental power for machinery
