User manual

105
UMG 96RM-P/-CBM
Connection capacity of the terminals (RS485)
Single-wire, multi-wire, finely stranded conductor 0.20 - 1.5mm
2
Pin terminals, ferrules 0.20 - 1.5mm
2
Tightening torque 0.20 - 0.25Nm
Stripping length 7mm
Voltage metering
Three-phase, 4-wire systems with nominal voltages up to 277V/480V (+-10%)
Three-phase, 3-wire systems, unearthed,
with nominal voltages up to
IT 480V (+-10%)
Overvoltage category 300V CAT III
Rated surge voltage 4kV
Metering range L-N 0
1)
.. 300 Vrms
(max. overvoltage 520 Vrms )
Metering range L-L 0
1)
.. 520Vrms
(max. overvoltage 900Vrms )
Resolution 0.01V
Crest factor 2.45 (relative to the metering range)
Impedance 4MOhm/phase
Power consumption approx. 0.1VA
Sampling rate 21.33kHz (50Hz), 25.6 kHz (60Hz) per measuring channel
Mains frequency
- Resolution
45Hz .. 65Hz
0.01Hz
1)
The UMG 96RM-P/-CBM can only determine exact measured values if a measurement-current voltage greater than 10 Veff or a L-L voltage larger than 18 Veff is
applied to the voltage measurement input L1.