Product introduction:
QB600-C insulation monitor can reliably and accurately monitor the insulation resistance value of AC, DC and AC/DC hybrid IT system (ungrounded system) to the ground by using low frequency AC injection method.
Product parameters are as follows:
Rated insulation voltage 230V
Nominal system voltage Un AC/DC 0-230V
Nominal frequencyfn DC、50Hz、60Hz
Alarm value Rand (Alarm 1) 1...9999 k Ω
Alarm value Ran2 (Alarm 2) 1...9999 kΩ
Relative uncertainty 1... 5 k&Omega/ 5...200k Ω ± 0.5 k&Omega/+ 15 %
R=0, 5xR and G=1μ Response time at F tan≤ 4s
Start delay (start time) t 0… 10 s (0 s)*
Response delay ton 0… 99 s (0 s)*
Measuring voltage Um 24 V
DC internal resistance Ri & le; 120kΩ
50Hz impedance Zi & le; 120kΩ
Allowable system leakage capacitance Ce & le; 20 μ F
Display range of measured value 1 kΩ& hellip; 20 MΩ
Product dimension drawing:
The product connection lines are as follows:
See the figure below for ABCB wiring connection
TEC60364-4-43 is protected by fuse (the recommended fuse current is 6A). If the voltage is supplied by a system (A1/A2), A1 and A2 can be protected by a fuse.
Product application:
The products are applicable to steel mills, mines, rail transit, automation, new energy and petrochemical industry.
steel mill
mine
rail transit
automation
new energy
petrochemical industry
