Overview
The General Electric 9T58K0050 is a compact dry-type control transformer designed for machine tool, industrial control, panelboard, and general-purpose applications. With a 0.500 kVA capacity and single-phase 60Hz rating, it provides regulated 120V secondary output from 240/480V primary inputs. The core-and-coil construction is welded for superior performance and structural integrity.
Key Features
- 0.500 kVA (500 VA) capacity, single-phase 60Hz operation
- Primary voltage: 240/480V; Secondary voltage: 120V
- Core-and-coil construction with welded lamination core for quiet performance
- Epoxy-encapsulated design for environmental protection
- UL-listed (UL-506, File E-2739) and C-UL certified
- Multiple termination options including terminal blocks and spade terminals
Technical Specifications
- Insulation Class: 180°C
- Temperature Rise: 115°C
- Phase: Single phase (1PH)
- Frequency: 60 Hz
- Dimensions: Approximately 3.9″ H × 4.56″ W × 5.75″ D
- Weight: 12 lbs
- Standards: NEMA ST20 compliant
Typical Applications
- Industrial control circuits and motor starters
- Machine tool control systems
- Panelboard voltage regulation
- General-purpose step-down voltage conversion
- Lighting and metering circuits in industrial facilities
Compatibility & Replacements
Compatible With
- Three-phase 240/480V industrial power distribution systems
- Single-phase 240V or 480V control circuits
- Machine tool control panels requiring 120V logic supply
- Industrial lighting and sensor circuits
- NEMA-compatible enclosures and panelboards
Replaces / Drop-In Replacement For
The 9T58K0050 is a discontinued product. Verify compatibility with your system integrator before selecting a modern replacement, as wiring configurations and terminal styles may differ from contemporary models.
Works With
- Allen-Bradley and other industrial control components
- Siemens and Schneider Electric control systems
- Standard electrical terminal blocks and spade terminals
- NEMA and IEC-compatible industrial enclosures
- Soft starters and variable frequency drives (as isolated control supply)
