Overview
The Western Electric KS 20289 600R 4872 is a vintage capacitor component historically used in telecommunications equipment and industrial switching systems. Part of Western Electric’s extensive KS-series component line, this capacitor represents classic mid-20th-century electronics manufacturing standards. The 600R designation indicates voltage rating, while the 4872 code references the specific capacitance and configuration.
Key Features
- Original Western Electric KS-series part — authentic OEM component
- 600R voltage rating suitable for industrial and telecom applications
- Designed for long-term reliability in switching and control circuits
- New, open-box condition with original specifications intact
- Ideal for equipment restoration, retrofit, and legacy system repairs
Technical Specifications
- Manufacturer: Western Electric
- Part Number: KS 20289
- Variant Code: 600R 4872
- Voltage Rating: 600V (nominal)
- Application: Telecommunications, switching systems, industrial control
- Condition: New, open box
- Era: Mid-20th century design and manufacturing
Typical Applications
The KS 20289 capacitor was commonly used in:
- Telephone switching equipment and crossbar systems
- Industrial control circuits and power distribution panels
- Vintage telecommunications infrastructure
- Legacy system restoration and equipment refurbishment
- Historical electronics collections and museum exhibits
Compatibility & Replacements
Compatible With
- Western Electric telephone switching systems (3XB, 5XB, and related crossbar architectures)
- Mid-20th century industrial control panels rated for 600V operation
- Legacy telecommunications and utility switching equipment
- Restoration projects requiring authentic OEM Western Electric components
Replaces / Drop-In Replacement For
This is an original Western Electric KS 20289 component. For modern equivalent capacitors or direct replacements, verify compatibility with your equipment documentation or contact a controls engineer familiar with legacy telecommunications systems. Modern capacitors may not be rated for or suitable for direct substitution in vintage equipment without circuit review.
Works With
- Western Electric KS-series component ecosystem
- Crossbar switching system networks and relay logic circuits
- Industrial 600V DC and AC rated systems
- Vintage telecommunications network infrastructure
