MarelliMotori MARK XX Manual Del Usuario página 13

4.1. SPECIFICATIONS
Power supply voltage (auxiliary windings, main terminals)
±10% of range tolerance, 175/210Hz
Voltage build-up
Voltage sensing (single-phase)
±10% of range tolerance, 50/60Hz
Maximum continuative field current
Maximum forcing field current
1 minute
Maximum field voltage
Field resistance
Regulation accuracy from no load to full load
From 0 to 100% of the rated load - PF 0.8 - balanced and non-deforming load, constant
frequency
Accuracy with ±4% engine governing
@ steady state conditions for load and speed
Thermal Drift
% voltage change for 50°C change from T
Response time
Operating temperature
Storage temperature
4.2. FUNCTIONS
Protection
Control
4.3. DIMENSIONS
L
B
K
H
D
Weight
, after 10 minutes
amb
Under-frequency limiter
Internal fuse, replaceable
With external potentiometer, 100 kΩ - 1 W for ∆V = ±5 % of the rated voltage
With external DC voltage signal (0-10 V)
160mm
93.6mm
137mm
45mm
5.5mm
370g
K
L
B
170 ÷ 277 Vac
5 Vac
170 ÷ 277 Vac
0 ÷ 5 Adc
0 ÷ 8 Adc
100 Vdc
8  ÷ 20 
±0.5 %
±1 %
±0.5 %
1 ciclo
-30°C ÷ +70°C
-40°C ÷ +80°C
D
H