... . Short Circuit Protection C. Undervoltage Protection D. Overcurrent Protection HID Ballast details: 1. Input Voltage Range DC9V~32V 2. Starting Voltage ... outputs 15. Open circuit protection between two outputs 16. The ballast matches lamps as H1, H3, H4, H4 (H/L), H7 ... , H13, 9004, 9005, 9006, 9007, 880, 881 top quality HID BALLAST