详细信息：

• IEC-61850-3 compliant
• Wide operation temperature support from -20 ~70°C
• 12-ch voltage and current input
• Range: ±150mV, ±500mV, ±1V, ±5V, ±10V, ±20mA, 0~20mA, 4~20 mA
• 2500 VDC over voltage protection
• Isolation between channels and backplane
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