3500 Series/Low Thermal EMF Reed Relays

The 3500 Series is ideally suited to the needs of Instrumentation, Data Acquisition and Process Control. The specification tables allow you to select the appropriate relay for your particular application. Recommended for use in high accuracy DVM’s, Multiplexers and Digital or Analog Multipoint Recorders. If your requirements differ from the selection options, please consult Coto’s Factory to discuss a custom reed relay.

3500 Series Features

Low Thermal EMF: < 10 µV through < 0.5 µV with 50 nV stability

Patented Low Thermal Design. U.S. Patent #4,084,142

Low power coils to ensure low thermal EMF

High Insulation Resistance - 10¹²Ω

Control/Signal isolation of 1500 VDC

High reliability, hermetically sealed contacts

Form A, Dry or Hg Wetted contacts. High Dielectric Strength

Epoxy coated steel shell provides magnetic shielding

RoHS compliant (except for 3520)