Single Phase DC-DC High Voltage 40A Solid State Relay (SSR) is an advanced electronic device designed for controlling the flow of direct current (DC) in a single-phase electrical system. Unlike traditional electromechanical relays, which rely on physical contacts to make or break connections, a solid-state relay operates using semiconductor components like thyristor or triacs. The term “high voltage” indicates that this particular SSR is engineered to handle elevated voltage levels, making it suitable for applications involving substantial electrical potential.
With a rated current capacity of 40 amperes, it has the capability to effectively manage up to 40 amperes of DC current within the specified voltage range. These relays find extensive use in various industrial and commercial applications, including power distribution systems, motor controls, and heating elements, where precise and reliable control of DC power is crucial. The use of solid-state technology imparts advantages such as rapid switching speeds, reduced wear and tear, and enhanced overall reliability when compared to traditional mechanical relays, making it a preferred choice in modern electronic 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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