KSK-1A69 Series Reed Switch



The KSK-1A69 Series is a high-voltage, high-current reed switch engineered for demanding applications requiring robust electrical performance. With a glass body length of 53.4 mm and diameter of 5.4 mm, this SPST-NO (Form A) switch supports switching voltages up to 10,000 VDC, currents up to 3 A DC, and a rated power of 50 W.
Its flat lead design ensures secure mounting and compatibility with automated assembly processes. The KSK-1A69 is ideal for use in high-voltage circuits, RF systems, and test equipment where precision and durability are critical.
Standards and Certifications
- High-voltage capability up to 10,000 VDC for demanding electrical environments
- High current handling up to 3 A DC for power-intensive applications
- Flat lead design for stable mounting and streamlined assembly
- Hermetically sealed glass body protects against moisture, dust, and contaminants
- No power required for actuation, supporting energy-efficient designs
- Wide operate range options (95–170 AT) for flexible magnetic sensitivity tuning
Overall Length mm (inches) | 81.6 (3.212) |
Glass Length Max. mm (inches) | 53.4 (2.102) |
Glass Dia. Max. mm (inches) | 5.40 (0.212) |
Lead Dia. mm (inches) | 2.49 (0.098) x 0.54 (0.213) |
Contact Form | 1A (SPST) Normally Open (N.O.) |
Pull-In Range | 95-170 AT |
Rated Power Max. | 50W/10,000VDC/3 Amp DC |
- RF switching and signal routing
- High-voltage test and measurement equipment (ATE)
- Medical devices requiring isolated switching
- Industrial control systems
- Power monitoring and metering
- Aerospace and defense electronics