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UMG 604
Measuring inputs
Voltage measurement
Three-phase 4-wire systems (L-N/L-L)
: max. 277 V/480 V
Three-phase 3-wire systems (L-L)
: max. 480 V
Resolution
: 0,01 V
Measurement range L-N
: 0
1)
.. 600Vrms
Measurement range L-L
: 0
1)
.. 1000Vrms
Crest-faktor
: 2 (referring to 480 Vrms)
Measurement category
: 300V CAT III
Specified impulse withstand voltage
: 4 kV
Impedance
: 4 MOhm/phase
Power input
: approx 0.1 VA
Scanning frequency
: 20 kHz/phase
Transients
: >50 µs
Fundamental oscillation
: 45 Hz .. 65 Hz
Connectable conductors (current measurement and voltage measurement)
Only one conductor may connected per terminal connection.
Solid core, multi-core, flexible core
: 0.08 - 4 mm2, AWG 28 - 12
Pin-end connector, wire end ferrules : 2.5 mm2, AWG 14
1)
The UMG604 can only detect measurement values if a voltage L-N larger than 10Veff or a volt-
age L-L larger than 18Veff is applied to at least one voltage measurement input.
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