Digital Analog Three Phase 50A Solid State Relay is an electronic switching device designed to control the flow of electrical power in three-phase systems. Unlike traditional electromechanical relays that use moving parts to make and break connections, a solid-state relay (SSR) relies on semiconductor components for switching. This particular SSR is rated for a maximum current of 50 amperes, making it suitable for applications requiring substantial power control.
The Digital Analog designation suggests that this relay can be triggered by both digital (on/off) and analog (continuous variable) input signals, offering versatility in its activation methods. This means it can be operated using binary signals like those from a microcontroller or by analog signals representing varying levels of control. Such flexibility makes it well-suited for a wide range of industrial and commercial applications, including motor control, heating systems, and other processes that demand 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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