Spotlight on Okaya 3CRE Spark Quencher


250V AC three-phase spark quencher with an external mounting tab

Pulse Condition (max.)
Peak to Peak
Repetitive Frequency

Peak Pulse Voltage
800V max.

Test Voltage
Line to Line
625VAC 50/60Hz 60 sec
Line to Case
2,000VAC 50/60Hz 60 sec

Insulation Resistance

Line to Line
10,000MΩ min
Line to Case
100,000MΩ min (at 500VDC)

Operating Temperature


  • Broad use in industrial applications
  • External mounting tab
  • 1/2 watt non-inductive, high pulse resistor
  • Three-phase delta connection


Automatic machines and industrial machinery.

ESI is the local representative for Okaya, a worldwide company that designs, manufactures, and markets electrical noise and noise suppression components for use in many industries.