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    400-500A 3 phase solid state relays400-500A 3 phase solid state relays400-500A 3 phase solid state relays400-500A 3 phase solid state relays400-500A 3 phase solid state relays400-500A 3 phase solid state relays
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400-500A 3 phase solid state relays

3 phase solid state relays (SCR output 400A to 500A)

GTH series three phase Solid State Relays is used three phase loads. SCR Output. GTH series is Dual SCR Power Hybrid technology provides highly efficient thermal management for greatly increased cyclic life.

- Three phase Solid State Relays
- Rated operational current 3X400 and 3X500Amps.
- High voltage (1400 Vpk) versions for 530 Vrms service.
- Both “Zero Voltage” & phase controllable “Random Switching” versions.
- Input Voltage Range 4 to 16 Vdc, 3 to 32 Vdc, 90 to 250Vac.
- 2500 Vrms Optical Isolation.(input/output)

- LED-indication for control input.

Symbo Meaning


G - Greegoo

T - Three phase

1 - 10-10A, 15-15A, 25-25A, 40-40A

2 - 48-480V

3 - Z-zero control, R-random control

4 - D1-4-16Vdc, D3-4-32Vdc A2-90-250Vac

For example: GT4048ZD3, 3 phase, 40A, 480Vac, 3-32Vdc control

Voltage Control voltage Rated operational current
400 Amp 500 Amp
480 VAC  4~32 Vdc GTH40048ZD3 GTH50048ZD3
"Zero Voltage" 90~250 Vac GTH40048ZA2 GTH50048ZA2
530 VAC  4~32 Vdc GTH40053ZD3 GTH50053ZD3
"Zero Voltage" 90~250 Vac GTH40053ZA2 GTH50053ZA2
480 VAC "Random" 4~32 Vdc GTH40048RD3 GTH50048RD3
90~250 Vac GTH40048RA2 GTH50048RA2
530 VAC "Random" 4~32 Vdc GTH40053RD3 GTH50053RD3
90~250 Vac GTH40053RA2 GTH50053RA2

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