1-2
Chapter 1 Precautions
Parts of This Product
The following figure shows the structure and gives the part names for this product.
Fig. 1-2. Structure of junction box
Table 1-1. Main materials of junction box parts
Part Main material
Weight of main
material
Cover Aluminum alloy AC4A-T6 Approx. 480 g
Meter assembly plate Carbon steel SPCC Approx. 20 g
Terminal block assembly
plate
Carbon steel SPCC Approx. 170 g
Housing Aluminum alloy ADC 12 Approx. 660 g
Nameplate Stainless steel SUS 304 Approx. 15 g
Shell Stainless steel SUS 303 Approx. 180 g
Housing (junction box) Nameplate
Terminal block assembly
Meter assembly
Cover
Shell