1. Industrial Furnace Temperature Regulation
This SSR can be used to precisely control the large heating elements in an industrial furnace or oven. The high 45A current rating is sufficient for large resistive loads, and the 12-24VDC input allows for easy integration with standard PLC temperature control modules.
Problem SolvedProvides reliable, arc-free switching of high-power heating elements, leading to more stable temperature control and longer heater life compared to mechanical contactors. The zero-cross function minimizes electrical noise and reduces stress on the power supply.
Temperature ControlResistive HeatingPLC Integration45A Load CurrentZero-Cross Switching
2. Plastics Extrusion Barrel Heating Control
In a plastics extrusion machine, maintaining precise temperatures along the barrel is critical. This SSR can switch the multiple heater bands on and off rapidly to maintain the exact temperature profile needed for the specific polymer being processed.
Problem SolvedThe SSR's solid-state design allows for the high-frequency switching required for PID temperature control, which is difficult for mechanical relays to achieve. Its 480V load capacity is ideal for typical three-phase industrial power systems used in these machines.
Plastics ExtrusionPID ControlHeater Bands480 VACSolid State Relay
3. Large-Scale HVAC Duct Heater Control
Used within a large commercial or industrial HVAC system to control high-power electric duct heaters. The SSR is driven by a building automation system (BAS) to modulate the heat output based on zone temperature demands.
Problem SolvedOffers silent operation, a major benefit over noisy mechanical contactors in commercial buildings. The long operational life of the SSR reduces maintenance costs, and its ability to handle up to 45A allows for the control of substantial heating loads with a single component.
HVACDuct HeaterBuilding Automation System45ASilent Operation