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G3PB-445B-2-VD Datasheet(PDF) 9 Page - Omron Electronics LLC

Part No. G3PB-445B-2-VD
Description  Compact, Low-cost Solid State Contactors of an Innovative Construction Ideal for Three-phase Heaters
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Maker  OMRON [Omron Electronics LLC]
Homepage  http://www.omron.com/index3.html
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G3PB-445B-2-VD Datasheet(HTML) 9 Page - Omron Electronics LLC

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G3PB-2/-3
9
Heat Sink Area vs. Load Current
Note: The heat sink area refers to the combined area of the sides of the heat sink that radiate heat. In the case of G3PB-425B-3H-VD, when a
current of 18 A is allowed to flow through the SSR at 40
°C, the graph shows that the heat sink area is about 2,500 cm2. Therefore, if the heat
sink is square, one side of the heat sink must be 36 cm (362
× 2 = 2,592) or longer.
Thermal Resistance Rth (Junction/SSR Back Surface)
Three-phase Models without Heat Sink
G3PB-225B-3H-VD
G3PB-425B-3H-VD
Ambient temperature: 80
°C
Ambient temperature: 40
°C
Load current (A)
Aluminum plate (t=3.0 mm)
Ambient temperature: 80
°C
Ambient temperature: 40
°C
Load current (A)
Aluminum plate (t=3.0 mm)
Model
Rth (
°C/W)
G3PB-215B-3H-VD
1.05
G3PB-225B-3H-VD
0.57
G3PB-235B-3H-VD
0.57
G3PB-245B-3H-VD
0.57


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