Key benefits - 12V and 24V options provide flexible compatibility with most automotive electrical and air conditioning systems. - 40A current rating enables reliable switching of high-demand loads such as A/C compressor and related components. - 4-pin design simplifies installation and clean integration into existing automotive wiring harnesses. - Specifically suited for automotive air conditioning systems to control energy and light functions, helping optimize system performance. - Pack quantity of 5 to 10 pieces per order, supporting multiple installations or replacements. What it does - Provides dependable high-current switching for automotive air conditioning applications. - Supports both 12V and 24V systems, enabling use in a range of vehicles and configurations. - Enables straightforward integration with standard automotive wiring through a 4-pin layout. Specifications and attributes - Voltage options: 12V and 24V (selectable) - Current rating: 40A - Pin configuration: 4-pin - Application: automotive air conditioning systems for controlling energy and light functions - Pack quantity: 5 to 10 pieces per order Use scenarios - Scenario 1: Replace or upgrade the relay in a 12V vehicle’s A/C compressor clutch circuit to ensure consistent engagement and disengagement under operating conditions. - Scenario 2: Use in a 24V vehicle or fleet (such as commercial trucks or buses) to switch high-current loads in the HVAC system, including the A/C compressor or condenser fan. - Scenario 3: Implement in aftermarket HVAC installations or wiring harness upgrades where reliable 40A switching is needed to manage energy and lighting functions within the automotive cooling or climate control system.