... 100ms. SSR(1 or 3 phase Solid State Relay)1, Features: Imported electrical parts,high switching speed,no-spark,dedication in size ... : Single/3-phase Solid State Relay,DC/AC Solid State Relay,medium/high-power solid state relay.Working current 25-300A.3. ... °c Weight200g \Main product:Panel Meter Counter Timer,Timer Relay Temperature/Humidity Controller Current/Voltage/Power meter,various sensor indicator ...