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4. TECHNICAL CHARACTERISTICS
Table 4.1 – Technical characteristics.
Characteristics
Rated current of operation
Peak Current (máx. 10s)
Power protection fuse
Fuse for internal power supply
External voltage control
Droop Adjustment for parallel operation
Sensing voltage band (selected by jumper) (Vral)
Sensing voltage connection
Power supply (Val)
Power supply connection
Power supply frequency range
Rectifier gain relation (Kc)
Field voltage
Field resistance to 20ºC
Static regulation
Adjustable dynamic answer
U/F pre-setting (selectable by jumper)
Band of sensing voltage frequency
Under frequency protection (U/F)
Average output voltage drop for frequency variation
Internal voltage adjustment
External Voltage percentage adjustment
Operation temperature
Storage temperature
EMI suppression
Approximated weight
LED indicators
Digital input
Digital input range adjustment
Analog input
Analog digital input range adjustment
Parallel operation
Sinusoidal Vibration (Standard IEC 60068-2-6)
Shock (Standard IEC 60068-2-27)
Environmental Standards ( Standard IEC 60068-2- 1, IEC
60068-2-2 and IEC 60068-2-30)
12
l
Automatic Voltage Regulator – GRT7-TH4-R2
Models
5A/250V, glass fuse
1,25A/250V, glass fuse
By 5kΩ/3W potentiometer
Adjustable by trimpot
160-300 or 320-600Vac
Single-phase / Three-phase selectable by
170 up to 250Vac
Single-phase
0,45 (single-phase half wave rectifier)
76,5 Vdc (Val min)
112 Vdc (Val max)
< +/- 0,5%
Adjustable by trimpot
Adjustable by trimpot for full voltage range
Vral, 160 to 300V or 320 to 600V
+/- 15% of Vral
-40ºC to +70ºC
-20ºC to +60ºC
825g +/- 50g
L1 – Operation OK
L3 – U/F actuating
+/-15% of the adjusted voltage
-10 to 10Vdc
+/-15% of the adjusted voltage
Present – 5A external CT
20Hz to 100Hz; 1g; Axes X, Y, Z
Half sine wave form; Amplitude 25g;
positive-negative polarity; Axes X, Y, Z
Duration 20h; Temperature from -40 to
70ºC; relative humidity until 90%
WRGA-02
5A
7A
jumper
48 - 85Hz
1,35 (three-phase complete wave rectifier)
6 - 50Ω
8 - 500ms
50 / 60Hz
48 - 85Hz
7,5V/Hz
variation range Vral, 160 to 300V or 320 to
EMI filter
Present
WRGA-02 /D
5A
7A
5A/250V, glass fuse
1,25A/250V, glass fuse
By 5kΩ/3W potentiometer
Adjustable by trimpot
160-300 or 320-600Vac
Three-phase
93 up to 127Vac
Three-phase
40 - 400Hz
125 Vdc (Val min)
170 Vdc (Val max)
6 - 50Ω
< +/- 0,5%
8 - 500ms
50 / 60Hz
48 - 85Hz
Adjustable by trimpot
7,5V/Hz
Adjustable by trimpot for full voltage
600V
+/- 15% of Vral
-40ºC to +70ºC
-20ºC to +60ºC
EMI filter
825g +/- 50g
L1 – Operation OK
L3 – U/F actuating
Present
+/-15% of the adjusted voltage
-10 to 10Vdc
+/-15% of the adjusted voltage
Present – 5A external CT
20Hz to 100Hz; 1g; Axes X, Y, Z
Half sine wave form; Amplitude 25g;
positive-negative polarity; Axes X, Y, Z
Duration 20h; Temperature from -40 to
70ºC; relative humidity until 90%