Overview

The CyberPower Essential Series CSB300W is a compact surge protector power tap designed for home and office use. It features three NEMA 5-15R outlets and provides up to 900 joules of surge energy absorption to protect connected devices from lightning strikes and power fluctuations. With a maximum surge current rating of 45,000 amperes and a clamping voltage of 800V, it offers reliable basic protection. Its white, minimalist design blends easily into any workspace.

Connectivity & Compatibility

This device plugs directly into a standard 125V/15A outlet using a NEMA 5-15P plug, and works with Japanese 100V outlets as well (rated up to 125V). The three NEMA 5-15R outlets can accommodate typical desktop PCs, monitors, printers, and phone chargers. Be mindful not to exceed a total load of 15A when connecting multiple high-power devices. Surge protection covers all modes (L-N, L-G, N-G) and the unit is UL1449 3rd Edition certified.

Product Info

The CyberPower Essential Series CSB300W is positioned as an entry-level surge protector. It has been on the market for several years but remains a reliable choice for basic protection. Pricing is around ¥6,500 on . Warranty is typically a limited 3-year coverage (check at purchase). The package includes only the unit itself. Competitors in the same price range include Belkin and Sanwa Supply, but CyberPower offers clear surge protection specs and good value for money.

Best Use Cases

  • Users seeking basic desktop protection: Ideal for protecting a PC, monitor, and peripherals from power surges. The three outlets cover essential devices. If you need more outlets, consider a 6-outlet model. - Budget-conscious students or home office workers: 900 joules is sufficient for everyday voltage fluctuations. For expensive audio gear or servers, a higher joule rating is recommended. - Minimalists who want only surge protection: No extra USB ports or switches, which reduces complexity and potential failure points. Suitable for those who prefer simplicity.

Product Disclosure (Amazon)

  • Manufacturer: CyberPower
  • Seller: fuji.harmotech
  • Fulfilled by: fuji.harmotech
  • ASIN: B00DQMAU4K
  • Note: This article covers a manufacturer-made product based on Amazon listing details.