3-32VDC/5-60VDC SSR-40dd Single Phase Solid State Relay

3-32VDC/5-60VDC SSR-40dd Single Phase Solid State RelaySpecificationProduct Name: Solid State Relay (SSR)Model Number: SSR-40DDRelay Type: DC to DC Solid State RelayControl Type: DC Input, DC OutputPhase: Single PhaseSwitching Mode: Zero-Crossing / Random Turn-On (variant dependent)Input (Control) SpecificationsControl Voltage Range: 3 – 32V DCTrigger Voltage (Turn ON): ≥3V DCTurn OFF Voltage: ≤1V DCInput Type: Optically isolated (photovoltaic coupler)Input Terminals: Screw terminals (marked “ ” and “−”)Output (Load) SpecificationsLoad Voltage Range: 5 – 60V DCMaximum Load Current: 40A continuousOutput Type: Normally OpenOutput Device: MOSFET / IGBT (internal)Voltage Drop (On-state): ≤1.5V @ full loadLeakage Current (Off-state): ≤2mA @ rated voltageSwitching Time:Turn ON: ≤1msTurn OFF: ≤1msSurge Current Capacity: Up to 2× rated load for short durationOutput Terminals: Screw terminals for /− DC outputMechanical SpecificationsDimensions (L×W×H): 57mm × 45mm × 23mm (Approx.)Mounting Type: Panel Mount with M4 Screws (4 slots)Housing Material: Flame-retardant ABS or Polycarbonate resinWeight: ~110gHeat Sink: Required for full load operation (Not included unless specified)Terminal Type: Screw clamp terminals for wire sizes up to 10 AWGPerformance & ProtectionEMC Compliance: Optional filter circuitry for noise immunityProtection Features (may vary by version):Overvoltage protection (external circuit advised)Overcurrent protection (external fuse or breaker recommended)Reverse polarity protection (on some variants)Application & Use CasesTypical Applications:DC motor switchingIndustrial automation systemsPLC-controlled equipmentBattery-operated loadsSolar charging/discharging controlDC power distribution systemsSmart Home Automation (DC lighting, fans, pumps)Compatible Loads:Resistive and inductive DC loadsLED strips, DC fans, solenoids, etc.Control Sources:Microcontrollers (Arduino, ESP32, STM32)PLCsDigital logic circuits SKU: LKMOD00159 Category: Module