Built-in power supply for compact, streamlined integration into control panels and equipment. The unit accepts 12-24 V DC and provides a simple, reliable output option with practical control. Key benefits - Simplifies installation by offering a built-in power source for compact assemblies - Direct compatibility with 12-24 V DC systems reduces the need for adapters or extra wiring - Output mode: 1 open 1 close enables straightforward circuit switching for relays or interfaces - Wide operating temperature range supports reliable performance in challenging environments Specifications - Structure type: built-in power supply - Supply voltage: 12-24 VDC - Output mode: 1 open 1 close - Ambient temperature: -25 C to 80 C Use scenarios - Industrial control panels and embedded devices that require an internal power source and simple switching - Door access systems, alarm panels, and HVAC controllers deployed in environments with wide temperature variations - Equipment cabinets or outdoor enclosures in harsh settings where a built-in supply improves reliability