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4
s
For controlling three-phase loads
s
Rating 10, 25, 45 A
s
Output voltages to 660 Vrms
s
Control voltage 4-32 V
c
c or 90-280 V a
a
s
Peak voltage: 1200 V
s
Back-to-back SCR output
s
Input to output insulation voltage: 4000 Vrms
s
Protected against overvoltages by RC filter and
overvoltage limiter
s
Zero voltage or instantaneous switching
Output specifications
Voltage range (Vrms)
24-660
Peak voltage (V peak)
1200
Maximum current (Arms)
10
25
45
Minimum current (mArms)
200
200
200
Max. 1-cycle surge
160
270
450
(A peak)
Leakage current (mArms)
10
10
10
I2t (t=10ms)
128
365
1000
On-state voltage drop
1.6
at Imax and T =25°C
(Vmax)
Thermal resistance/Junction to casing (o C/W) 0.25 ° C/W
0.25 ° C/W
0.2 ° C/W
Supply frequency range (Hz)
47 to 63
Static (off-state) dv/dt
500 Vµs
Response time
3-32 V c
11 ms
90-280 V a
20 ms
Maximum turn-off time
3-32 V c
11 ms
90-280 V a
30 ms
(For instantaneous 3-32 V c switching models, turn-on time is less than
100 µs and turn-off time less than 1/2 cycle.)
Input specifications
Input voltage (V)
90-280
a
a
4-32
c
c
Max. input current (mA)
10
20
(input current limited)
Drop-out voltage (V)
10 a
1 c
Nominal input
1
resistance (k
Ω)
Characteristics
Operating temperature (°C)
-20 to +80
Storage temperature (°C)
-40 to +100
Input to output insulation voltage (Vrms)
4000
Breakdown voltage (T=25°C, 1s) (Vrms)
4000
Input/output capacitance (pF)
< 8
Insulation resistance (M
Ω)
104
Material Casing
Self-extinguishing
(UL 94 V0)
Baseplate
Aluminium
Weight (g)
450
Solid state three-phase relays - GA3 range
Equivalent circuits
U1
U2
A1+
A2-
V1
V2
W1
W2
1
2
Part numbers
Rating
Switching mode
Input voltage
10 A
Zero voltage
4-32 V c
84 068 251
Instantaneous
4-32 V c
84 028 251
25 A
Zero voltage
90-280 V a
84 068 453
4-32 V c
84 068 451
Instantaneous
90-280 V a
84 028 453
4-32 V c
84 068 651
45 A
Zero voltage
90-280 V a
84 068 653
4-32 V c
84 068 651
Instantaneous
90-280 V a
84 028 653
4-32 V c
84 028 651
Accessories
Protective cover (see page 4/31)
26 532 796
Heatsinks (see page 4/30)
Heat transfer compound (see page 4/32)
18 373 112
DIN rail adaptor (see page 4/31)
26 532 764
Quick-blow fuses (see page 4/32)
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