Kindly find the attached dB specification as per your request for your further action.



The requirements as follows

Outdoor box (but will be installed away from direct sunlight and direct rain water)
Use ABB or Schneider MCB only
SPD: Use ABB, Schneider, Novaris or Duval only
Power Supply Unit: Meanwell HDR-15-5 Input 100-240VAC 0.5A 50/60Hz Output 5V - 2.4A
Need to use rotary isolator 2P for Single Phase and 4P for Three Phase
Provide space 4 ways for EV MCB 2P & RCCB 2P for Single Phase
Provide space 7 ways for EV MCB 3P & RCCB 4P for Three Phase
Terminal block need to use Wago 2010-1301 (Up to 16mmsq cable) or 2006-1301 (Up to 10mmsq cable) for 3 hole terminal block up to stock availability (Can contact HPH Industries)
Terminal block need to use Wago 2010-1201 (Up to 16mmsq cable) or 2006-1201 (Up to 10mmsq cable) for 2 hole terminal block up to stock availability (Can contact HPH Industries)