Feature: 1. PA66 PLASTIC: The shell uses the high quality PA66 plastic material, the industrial socket is wear-resistant and durable 2. TENSION RESISTANCE: Good tension resistance, different parts and shells should be able to withstand to AC2500V (50HZ-60HZ) 3. BRASS CONTACT: industrial locking socket adopts brass contacts, good conductivity, efficient and practical, easy to plug and unplug 4. APPLICATIONS: widely suitable for various electrical applications, such such as ranges, dryers, generators and more 5. BASIC SPECIFICATIONS: Applicable voltage is 277/480 V, current rating is 30 A, and connection life is more than 20,000 times NEMA L19 -30P Applicable voltage: 277/480V Rated current: 30A Ambient temperature: -20~50 Shell material: PA66 plastic Contact material: Brass Contact resistance: R150M Insulation resistance: R2500M Service life of socket: more than 20,000 times Package List: 1 x Locking Cap Note: Pay attention to safety when using