Single Phase DC-AC High Voltage 75A Solid State Relay (SSR) is an advanced electronic switching device engineered to facilitate the controlled transfer of electrical power from a direct current (DC) source to an alternating current (AC) load. Unlike traditional electromechanical relays, which rely on mechanical contacts, SSRs utilize semiconductor components for their operation. This particular type of SSR is designed to handle high voltage and high current applications, boasting a robust capacity of up to 75 amperes. It finds its niche in scenarios demanding precise and reliable control of AC loads, such as in industrial machinery, heating systems, motor controls, and various power distribution setups.
The solid-state construction of this relay offers several notable advantages over its mechanical counterparts, including rapid switching speeds, an extended operational lifespan, reduced electromagnetic interference, and the absence of moving parts, leading to heightened reliability and longevity. As a result, Single Phase DC-AC High Voltage 75A SSRs play a crucial role in a broad spectrum of electrical and electronic systems where accurate AC load management is essential.
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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