420LB28数据手册Protek Devices中文资料规格书

特性 Features

• IEC 61000-4-2 (ESD): Air - 15kV, Contact - 8kV
• IEC 61000-4-4 (EFT): 40A - 5/50ns
• IEC 61000-4-5 (Surge): 8/20µs - 95A, Level 4 (Line-Gnd) & 48A, Level 4 (Line-Line)
• Designed for 4-20mA Current Loops
• Automatic Reset - Does Not Interrupt Service
• Permanent Two-Stage Line Pair Protection
• Common Mode & Differential Mode Protection
• Subnanosecond Response Time
• Effective Against Lightning, Inductive Switching and ESD

应用 Application

• Multi-Process Control Loops
• Fire & Security Systems
• Petro-Chemical Plants
• Refineries & Tank Farms