Introducing Standex Detect, a New Name in Precision Electronics

Standex Detect is part of the newly rebranded Standex Electronics family. Our focus remains on precision reed switches, sensors, and relays that deliver the right design, at the right time, at the optimal cost. Read our press release to learn more about how this change strengthens our global collaboration and innovation.

Home Products Reed Switches ORT651 Series Reed Switch

ORT651 Series Reed Switch

The ORT651 Series is an ultra-miniature SPDT (Form C) reed switch designed for changeover-type operation in compact electronic systems. With a glass body length of 14.0 mm and a diameter of just 2.54 mm, it offers reliable switching under 30V DC with a rated power of 3 W and a switching current of 0.2 A.

Its hermetically sealed contacts are enclosed in inert gas to ensure long-term reliability and consistent performance. The ORT651 is ideal for applications requiring dual-circuit control in space-constrained environments, such as industrial automation, test equipment, and general-purpose electronics.

Standards and Certifications

REACH Compliant RoHS Compliant UL Approved UL US Approved
  • Ultra-miniature design with a 14.0 mm glass body for tight-space integration
  • SPDT (Form C) contact configuration enables changeover switching between two circuits
  • Hermetically sealed contacts in inert gas for enhanced reliability and longevity
  • Straight lead configuration for easy PCB mounting and mechanical stability
  • Magnetically actuated with no external power required, supporting low-power designs
  • Rated for 3 W, 30V DC, and 0.2 A switching current for signal-level applications
Overall Length mm (inches)56.1 (2.208)
Glass Length Max. mm (inches)14.0 (0.551)
Glass Dia. Max. mm (inches)2.54 (0.100)
Lead Dia. mm (inches)0.5 (0.019)
Contact Form1C (SPDT) Changeover
Pull-In Range10-30 AT
Rated Power Max.3W/30VDC/0.2 Amp DC
  • Test & Measurement (ATE): Precision switching in automated test setups
  • Industrial Controls: Dual-path control, actuator feedback
  • Consumer Electronics: Mode switching, magnetic docking systems
  • Security Systems: Door/window sensors with dual-state detection
  • Medical Devices: Compact switching in diagnostic and monitoring equipment
  • Smart Appliances: Multi-function sensing, fluid level control

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