Overview
The Industrial Cond. Corp. 45RT4X20 is a high-reliability DC capacitor engineered for industrial control circuits, power supplies, and energy storage systems. Rated at 20µF capacitance and 450VDC maximum operating voltage, this capacitor belongs to the Royalitic long-life series, known for extended operational life and stable performance in demanding environments. Used in legacy and current industrial equipment, the 45RT4X20 delivers consistent charge storage and discharge characteristics across a wide temperature range.
Key Features
- 20µF capacitance with ±10% tolerance typical for industrial-grade components
- 450VDC rated voltage suitable for DC power conditioning and filtering
- Royalitic long-life construction ensures extended operational lifespan
- Proven reliability in industrial motor controls, rectifier circuits, and power supplies
- Compact form factor for retrofit and replacement installations
- Cost-effective solution for maintenance and repair applications
Technical Specifications
| Capacitance | 20µF |
| Rated Voltage | 450VDC |
| Manufacturer | Industrial Cond. Corp. |
| Series | Royalitic (Long-Life) |
| Part Number | 45RT4X20 |
| Component Type | Fixed DC Capacitor |
| Application Class | Industrial Power Supply / Motor Control |
| Termination | Lead or Stud (verify with unit) |
Typical Applications
- DC power supply filtering and voltage smoothing
- Industrial motor control circuits
- Rectifier circuit energy storage
- Power conditioning in PLC and automation control systems
- Legacy equipment repair and retrofit
- Adjustable frequency drive (AFD) and soft-starter support circuits
Compatibility & Replacements
Compatible With
- Industrial DC power supplies operating at 450V or lower
- Motor control circuits requiring 20µF capacitive filtering
- Rectifier and converter output smoothing stages
- Industrial control panels and equipment using 450VDC bus
- Legacy automation and instrumentation systems from 1990s–2010s
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The 45RT4X20 may serve as a direct replacement for other 20µF 450VDC Industrial Cond. Corp. units and equivalent-rated capacitors from comparable manufacturers; exact interchangeability depends on mounting style (lead vs. stud) and physical dimensions.
Works With
- DC-based industrial control systems and power electronics
- Rectified AC-to-DC conversion circuits
- Industrial automation platforms requiring DC bus conditioning
- Service and repair workflows for industrial equipment
- Preventive maintenance programs for aging control cabinets









