1Industrial-grade solid-state relays can control the photoelectric isolation between the circuit and the load circuit. 2The control signal is compatible with TTL logic, and the control state is indicated by light-emitting diodes. 3Support power module output, optocoupler drive, built-in resistance-capacitance absorption circuit. 4Appropriate heat sink should be used when using, and forced air cooling should be added if necessary. 5Thyristor output, zeroing current shutdown, support zeroing voltage start. 6Adopt flame retardant engineering plastic shell, with brass bottom plate, long service life. 7Support epoxy resin potting (module), stable performance, consistent three-phase starting characteristics.Condition: 100% Brand New Item Type: Solid State Relay Model: SSR-400DA-H (DC Control AC) Control Voltage: 4-32VDC Control Current: 15MA On-State Voltage Drop: 1.5V Electrical Life: Longer Service Life Rated Current: 400A Load Voltage: 12-480VAC Medium Pressure: 2000VAC Off-State Leakage Current: 5MA Turn-On Time: 10MS Ambient Temperature: -30 - +701 x Solid State Relay2 x Cable