KSK-1A35/1 Series Reed Switch


The KSK-1A35/1 Series is a miniature, high-voltage reed switch designed for precision switching in compact and demanding environments. With a glass body length of 10.5 mm and flat lead configuration, it offers SPST-NO (Form A) contact functionality and supports switching voltages up to 1,000 VDC.
Its hermetically sealed construction ensures long-term reliability, while its optimized sensitivity range makes it suitable for a wide variety of industrial and test applications. The flat leads provide mechanical stability and ease of integration into automated assembly processes.
Standards and Certifications
- Miniature form factor ideal for space-constrained designs
- Flat lead design enhances mounting stability and simplifies PCB integration
- Hermetically sealed contacts for protection against environmental contaminants
- No external power required for actuation, supporting low-power systems
- High-voltage capability for demanding switching applications
- Fast and reliable switching for precision control in real-time systems
Overall Length mm (inches) | 34.5 (1.358) |
Glass Length Max. mm (inches) | 10.5 (0.413) |
Glass Dia. Max. mm (inches) | 2.20 (0.086) |
Lead Dia. mm (inches) | 1.2 (0.047) x 0.2 (0.008) |
Contact Form | 1A (SPST) Normally Open (N.O.) |
Pull-In Range | 20-35 AT |
Rated Power Max. | 10W/1,000VDC/0.7 Amp DC |
- High-voltage switching in industrial equipment
- Test and measurement systems (ATE)
- Relay and remote control circuits
- Lid and cover detection in appliances
- Automotive and aerospace sensors
- Medical devices requiring non-contact actuation