KSK-1A83 Series Reed Switch
The KSK-1A83 Series is a high-voltage, high-current reed switch engineered for demanding applications requiring robust electrical performance and reliability. 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 7,500 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-1A83 is ideal for use in high-voltage circuits, RF systems, medical equipment, and test and measurement environments where precision and durability are critical.
- High-voltage capability up to 7,500 VDC for demanding electrical environments
- High current handling up to 3 A DC for power-intensive applications
- Hermetically sealed glass body protects against moisture, dust, and contaminants
- Flat lead design for stable mounting and streamlined assembly
- Fast switching response with operate time of 3.2 ms and release time of 1.5 ms
- Wide operating temperature range from –20°C to +130°C
| 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 | 100-150 AT |
| Rated Power Max. | 50W/7,500VDC/3 Amp DC |
- RF switching and signal routing
- Medical equipment requiring isolated switching
- Automated test equipment (ATE)
- High-voltage industrial control systems
- Power monitoring and metering
- Aerospace and defense electronics