RUKO KES-FormC-75°-20.5mm Reed Switch, SPDT, 20.5 mm Glass Length, 75° Lead Bend

For engineers integrating magnetic sensing into PCB assemblies, the RUKO KES-FormC-75°-20.5mm reed switch provides a single-pole double-throw (SPDT) contact configuration in a compact glass envelope. The 20.5 mm glass length and 75° lead bend angle suit through-hole mounting in industrial controls, security systems, and automation equipment.

Key specifications

• Contact form: SPDT (Form C)
• Glass length: 20.5 mm
• Lead bend angle: 75°
• Max switching voltage: 175 VDC
• Max switching current: 0.5 A
• Max carry current: 1.0 A
• Max contact rating: 10 W
• Min breakdown voltage: 200 VDC
• Max initial contact resistance: 150 mΩ
• Operating temperature: -40°C to +125°C
• Storage temperature: -55°C to +150°C
• Max operate time: 0.5 ms
• Max release time: 0.1 ms
• Min insulation resistance: 10^10 Ω
• Pull-in value: 10-20 AT
• Min drop-out value: 5 AT
• Electrical life: 10^7 operations at rated load
• Mechanical life: 10^9 operations
• Contact material: Rhodium
• Mounting type: Through-hole / PCB mount

Why choose it

Rhodium contacts ensure reliable switching in low-level circuits, while the SPDT configuration offers design flexibility. The 75° bend simplifies PCB placement, and the wide temperature range supports demanding environments.

Ideal use cases

• Position and limit sensing in industrial machinery
• Security door and window contacts
• Level detection in fluid systems
• Automotive sensor modules

Good to know

The reed switch is supplied in bulk for automated assembly. Its compact size and low operating power make it suitable for battery-powered devices.