Digital Analog Three Phase 75A Solid State Relay is an electronic switching device engineered to regulate the flow of electrical power in three-phase systems. Distinguished from traditional electromechanical relays, this type of relay relies on semiconductor components for switching operations. Specifically, this SSR is designed to handle a maximum current of 75 amperes, indicating its suitability for applications demanding substantial power control capabilities.
The term Digital Analog suggests that this relay can be activated by both digital (on/off) and analog (continuous variable) input signals, providing versatility in its triggering mechanisms. This implies it can be operated using binary signals, typically from a microcontroller, as well as analog signals representing varying levels of control. This adaptability renders it applicable to a broad spectrum of industrial and commercial settings, including but not limited to motor control systems, heating equipment, and other processes necessitating precise and robust power switching functionality in three-phase electrical systems.
These headings can help you choose SSRs based on their key attributes
| Model | A Rating | Input | Output | Control Voltage | Control Current Range | Pick-up Voltage | Turn-on (max) | Turn-off (max) | Drop Out Voltage | Input Resistance | Current Range with proper heat sink(IT) | Surge Current non-repetitive t = 10msecs (ITEMS) | Voltage Drop @ Current (VTM) | Voltage Range (VRMS) | Over Voltage Rating (PIV) Transient Peak | Off-state leakage current @ voltage – (IDRM) | Holding current (IH) | Dv/Dt @Voltage (out) | I2T Fusing I2t (10 ms) (Value In Square) | Frequency Range | Dielectric Strength | Galvanic Separation (Input to Output to Base) | Weight | Storage Temp. | Junction Temperature |
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