Technical Characteristics - WEG GRT7-TH4-R2 Manual De Instalación, Operación Y Mantenimiento

www.weg.net

4 TECHNICAL CHARACTERISTICS

Table 4.1 - Mechanical and electrical characteristics.
Models
GRT7-TH4 R2
5A AM/220M
Characteristics
Nominal field current
Nominal current with
forced ventilation
Peak current (max.
1min)
Protection fuse for
power supply
Sensing (selected
160-300 or
via jumper cable)
340-570 Vac
(V )
Ral
External voltage
control
Sensing power
supply
Power Supply
Range (V )
al
Power supply
curren.
Rectifier gain ratio
(K )
c
Maximum field
voltage (V )
f
Field Resistance @
20ºC
Static Regulation
Adjustable dynamic
response
Operation
Frequency (jumper
JHz )
Sub frequency
protection (U/F)
Internal percent
adjustment of
voltage
External percent
adjustment of
voltage
Temperature
EMI Suppression
Approximate Weight
LED Indicators
Protection for
Excitation Over
current
Analog Input +/-
9Vdc
Analog Input 0 to
10Vdc
Digital Input
Parallel operation
12 l Automatic Voltage Regulator – GRT7-TH4-R2
GRT7-TH4 R2
5A EM/220M
5A 5A
7A 7A
7A 7A
3A 3A
180-240 or
515-660 Vac
170 to 300Vac
76,5 Vdc (V mín),
al
112,5 Vdc (V máx).
al
Adjustable via trimpot, for the complete range of Voltage V
With optional transformer ratio (PAR/1 ratio 1A and PAR/5 ratio 5A
GRT7-TH4 R2 GRT7-TH4 R2
5A GM/110M 7A AM/220M
5A 7A
7A 10A
7A 10A
3A 5A
85-140 or 160-300 or
170-280 Vac 340-570 Vac
Through 5K/3W potentiometer.
Single Phase.
93 to 126 Vac
Single Phase
0,45.
41,8 Vdc (V
al
mín), 76,5 Vdc (V
56,7 Vdc (V 112,5 Vdc (V
al
máx).
6 up 50Ω.
0,5%.
8 to 500ms.
50 or 60Hz.
Adjustable via trimpot
- 30% of V
Ral.
-40° to + 60ºC.
EMI filter
480g
None
Absentee
Optional
Optional
Optional
GRT7-TH4 R2
7A EM/220M
7A
10A
10A
5A
180-240 or
515-660 Vac
170 to 300Vac
41,8 Vdc (V
mín),
al
máx).
al
Ral
GRT7-TH4 R2
7A GM/110M
7A
10A
10A
5A
85-140 or
170-280 Vac
93 to 126 Vac
mín),
al
56,7 Vdc (V
al
máx).