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Other Solid State Relays
Solid state relays (SSRs) are semiconductor-based switching devices that perform the same function as electromechanical relays but with no moving parts. This category covers other solid state relays not classified under standard types, including specialized SSRs for high-frequency switching, DC load control, or three-phase applications. Key tech...
Solid state relays (SSRs) are semiconductor-based switching devices that perform the same function as electromechanical relays but with no moving parts. This category covers other solid state relays not classified under standard types, including specialized SSRs for high-frequency switching, DC load control, or three-phase applications. Key technical parameters include load voltage ratings from 24 VAC/DC up to 600 VAC, load currents from 2 A to 100 A, and control voltage ranges typically 3-32 VDC or 90-280 VAC. These relays offer zero-crossing or random-turn-on switching modes, dielectric strength up to 4 kV, and optical isolation between input and output circuits. Mounting options include panel mount, DIN rail, or PCB mount, with IP20 protection for enclosed units.
Applications and sectors for these solid state relays span industrial automation, HVAC systems, packaging machinery, plastic injection molding, and process control. They are ideal for environments requiring silent operation, high switching speeds, and resistance to vibration or shock. Common installations include temperature control loops, motor starters, lighting control panels, and power distribution units in factories, commercial buildings, and renewable energy systems like solar inverters.
Subcategories within this range include DC-controlled SSRs, AC-controlled SSRs, three-phase SSRs, and high-current SSRs. Relevant article codes often follow patterns like SSR-xx-xx, where the first digits indicate load current (e.g., 25 for 25 A) and the second digits indicate voltage (e.g., 480 for 480 V). Examples include SSR-25-480 for a 25 A, 480 V AC relay, or SSR-10-240 for a 10 A, 240 V unit. These codes help identify specific load and control configurations.
Our business benefits include express worldwide shipping and dedicated support from electrical engineers who can assist with SSR selection, heat sink sizing, and integration into existing control systems. We provide real-time pricing and technical documentation for each article, ensuring you get the right component for your application without delays.
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