# Silfab Solar

> Silfab Solar is a premier North American solar manufacturer with over 40 years of PV experience. Producing panels in Washington and South Carolina, Silfab’s Prime series features sleek all-black aesthetics, industry-leading snow/wind load ratings (5400 Pa / 4000 Pa), and IRA domestic content eligibility.

> Headquarters: 1770 LaBounty Rd, Ferndale, WA 98248, USA - Warranty: 25 years - Sample models below: 1 (total catalog models: 1)

**Canonical:** https://voltformer.com/brand/silfab-solar - markdown: https://voltformer.com/brand/silfab-solar.md

## Overview

Silfab Solar is a premier North American solar manufacturer with over 40 years of PV experience. Producing panels in Washington and South Carolina, Silfab’s Prime series features sleek all-black aesthetics, industry-leading snow/wind load ratings (5400 Pa / 4000 Pa), and IRA domestic content eligibility. Request a formal factory quotation through Voltformer. Verify applicable standards, guaranteed ratings and declarations of conformity against the exact offered-model documentation and project jurisdiction. The IEC/EN 50708 series and EU Regulations 548/2014 and 2019/1783 apply only where the transformer and market fall within their legal scope.

## Official sources

- https://silfabsolar.com/silfab-prime-nml-400/

- **Last reviewed:** 2026-09-13

## Sample Models

- [SIL-420-BG - Silfab Prime SIL-420 BG 420W](https://voltformer.com/product/silfab-prime-sil-420-bg.md)

## RFQ

Use the family-specific search/get tools in [the tool reference](https://voltformer.com/tool-reference.md) to choose an exact SKU or ID. RFQ submission requires authentication, a complete draft and explicit user confirmation; unknown project inputs must not be invented.