The AZ2150-1A-48DE is a 40A miniature power relay designed for high-capacity switching applications with a nominal coil voltage of 48 VDC and maximum continuous rating of 68.4 VDC. This sealed relay features a single Form A (SPST-NO) contact arrangement with silver cadmium oxide contacts rated for maximum switched power of 900 W or 10,000 VA at 30 VDC or 300 VAC, with contact resistance less than 20 milliohms. The relay incorporates Class B insulation standard (Class F 155°C version available), a Proof Tracking Index of 175, and meets UL 508 Group A spacing and UL 873 refrigeration requirements with UL/CUR file E44211 approval. It delivers 500 mW at pickup voltage with maximum continuous coil dissipation of 2.2 W at 20°C ambient, operates in -55°C to 85°C temperature range, and achieves mechanical life expectancy of 10 million operations. The sealed epoxy construction enables automatic wave soldering and immersion cleaning, making it ideal for industrial control, HVAC systems, and refrigeration applications requiring reliable high-current switching.