*Specs from the sheet: YRPVA-1/1*
**Spec** **Rating**
**Rated Voltage** 550V DC
**Rated Current** 100A
**Input / Output** 1 String In, 1 String Out
**DC Breaker** 2P 100A 550Vdc
**Protection** IP65 - Dust & Waterproof
**Temp Range** -25°C to +60°C
**Enclosure** Polycarbonate
*What it does - simplified*
This is a small *DC combiner/protection box* with a built-in breaker.
1. *For 1 string only* - You bring 1 set of panels OR 1 battery cable in, and 1 cable out
2. *100A 2P Breaker inside* - Cuts both + and - for safety. Good for up to 100A continuous
3. *550V Max* - Works for 48V, 96V, 400V, 500V solar/battery systems
4. *IP65 Box* - Can go outside. Dust + rain proof.