ALZ52B12W is a sealed type low-profile power relay with 1 Form A contact arrangement and 12V DC nominal coil voltage. It features Class B insulation with an ambient temperature rating up to 85°C, a nominal switching capacity of 16A at 250V AC resistive load, and a low nominal operating power of 400mW. The relay offers high insulation characteristics with a minimum 10mm creepage distance between coil and contacts, surge breakdown voltage of 10,000V, and breakdown voltage of 5,000 Vrms between contacts and coil. With compact dimensions of 28.8 × 12.5 × 15.7 mm and UL/C-UL and VDE certifications, this relay is ideal for automation controls and power switching applications requiring reliable performance and superior heat resistance.