... design of the security unit for over-voltage and over-current, with the FS and the over-voltage alarm functionFast PTC, fast responseSpecial ... Umax ≤ 800V2.Over-currentRoom temperature resistance: ≤ 22Ω, a, b-line difference between the resistance ≤ 2ΩNon-operating current: 90mA, 1h ... non-actionFail-safe performance: When the discharge current up to 2.5A (RMS), theDischarge circuit of a ...