Table 691: Energizing inputs
Description Value
Rated frequency 50 Hz
Current inputs Rated current, I
n
0.2/1 A
1)2)
1/5 A
3)
Thermal withstand capability:
• Continuously 4 A 20 A
• For 1 s 100 A 500 A
Dynamic current withstand:
• Half-wave value 250 A 1250 A
Input impedance <100 mΩ <20 mΩ
Voltage inputs Rated voltage 60...210 V AC
Voltage withstand:
• Continuous 240 V AC
• For 10 s 360 V AC
Burden at rated voltage <0.05 VA
1) Ordering option for residual current input
2) Not available for RET615 and REU615
3) Residual current and/or phase current
Table 692: Energizing inputs
Description
Value
Current sensor input Rated current voltage
(in secondary side)
75 mV...2812.5 mV
1)
Continuous voltage
withstand
125 V
Input impedance at 50
Hz
2-3 MOhm
2)
Voltage sensor input Rated voltage
6 kV...30 kV
3)
Continuous voltage
withstand
50 V
Input impedance at 50
Hz
3 MOhm
1) Equals the current range of 40A - 1250A with a 80A, 3mV/Hz Rogowski
2) Depending on the used nominal current (hardware gain)
3) This range is covered (up to 2*rated) with sensor division ratio of 10 000 : 1
Section 14 1YHT530004D05 D
Technical data
872 615 series
Technical Manual
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