Page 624 - Din prodcuts 2020

5/180 ELECTRICAL INSTALL ATION SOLUTIONS FOR BUILDINGS 2CHC 420 001 C0201

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Protection and safety
ISOLTESTER-DIG insulation monitoring devices

Technical features
ISOLTESTER-DIG-RZ ISOLTESTER-DIG-PLUS/RS
Aux supply 115 - 230 V 50-60Hz
5
Power consumption 5 VA max 6 VA max
Rated voltage 24 ÷ 230 V 50-60 Hz 24 ÷ 250 V AC/DC
Measurament current 1 mA max
ISOLTESTER-DIG Measurement voltage 24 V max
Control signal Continuous with digital filter Composite codified (PLUS only)
Internal impedance 200 kΩ
Insulation measurement 0 ÷ 999 kΩ
resolution 1 kΩ
accuracy 5% ± 1 digit
Impedance measurement 0 ÷ 999 kΩ
resolution 1 kΩ
Temperature measurement PT100 with 2 or 3 wires, PTC
0 ÷ 200 °C,
resolution 1 °C,
accuracy 2 % ± 1 digit
Current measurement CT …/5 A external
accuracy 5% ± 1 digit, (adjustable transformation rate 1÷40)
Capacity measurement no 0 ÷ 9.9 μF (PLUS only)
resolution 0.1 μF (PLUS only)
Thresholds Resistance: 50 ÷ 500 kΩ
Impedance: 50 ÷ 500 kΩ
Thermal overload: 30 ÷200 °C with PT100
Electrical overload: 1 ÷ 99.9 A
Signals incorrect wiring (link fail)
open/short circuit for temp sensor PT100
internal error
Output QSD supply (max 2 QSD), max 24 V DC QSD supply (max 4 QSD), max 24 V DC
Signals to QSD
aux relay for low resistance, programmable aux relay,
NO-C-NC 5A 250 V AC NO-C-NC 5A 250 V AC
- Serial output RS485, ModbusRTU
protocol
Modules 6
Weight 0.4 kg 0.5 kg
Mechanical features fire resistant plastic case
sealable transparent front cover
Terminals screw terminals 2.5 mm 2
Protection degree IP20, IP50 when the cover is closed
Operating temperature -10 ÷ 60 °C
Storage temperature -25 ÷ 70 °C
Relative humidity ≤ 95 %
Insulation 2.5 kV 60 sec.
Reference standards CEI-EN 61010-1
CEI-EN 61557-8
IEC 60364-7-710
UNE 20615
CEI-EN 61326-1