Digital Analog Three Phase 90A Solid State Relay is an electronic device designed to regulate the flow of electrical power in three-phase systems. Unlike traditional electromagnetic relays, solid-state relays (SSRs) utilize semiconductor components for switching operations. This specific SSR is built to handle a maximum current of 90 amperes, indicating its suitability for applications that require substantial power control capabilities.
The term Digital Analog implies that this relay can be triggered by both digital (on/off) and analog (continuous variable) input signals, providing flexibility in its activation methods. This means it can be operated using binary signals, typically from a microcontroller, as well as analog signals representing varying levels of control. This adaptability makes it suitable for a wide range of industrial and commercial applications, including motor control systems, heating equipment, and other processes that necessitate precise and robust power switching capabilities 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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