660gh 40ultc

The phrase '660gh 40ultc' refers to a high-performance semiconductor fast-acting fuse manufactured by Hinode (Japan). It is a critical component used for protecting power electronics, specifically within Yaskawa R1000 Series Power Regenerative Units NationalfuseYaskawa.

Core Product Insights

• Technical Specifications: Rated at 660V (AC/DC) with a 40A current rating and a high breaking capacity of 100kA NationalfuseYaskawa. The "ULTC" designation indicates a specific terminal configuration often required for industrial inverter modules JotrinYaskawa.
• Primary Application: It serves as the mandatory branch circuit short-circuit protection for Yaskawa R1000 regenerative units (400V Class models like 4A0005/4A0007) YaskawaBretzel-Gmbh. It protects sensitive components like IGBTs and thyristors from nearly instantaneous short-circuit currents NationalfuseMade-In-China.

Market Trends & Availability

• Pricing: Unit prices typically range from $13.50 to $25.00 depending on the order volume, with retail prices on platforms like eBay and Amazon reaching up to $46.75 for single units AmazonEbay.
• Sourcing Dynamics: While authentic Hinode fuses are standard, there is a rising trend of compatible semiconductor fuses (e.g., from manufacturers like Fuerzi) offering similar 690V/700V ratings for industrial systems AliexpressEbay.
• Supply Channel: The product is widely available through industrial surplus sellers and specialized B2B electronics distributors in China and Japan, reflecting its status as a critical replacement part for aging industrial infrastructure AlibabaEbay.

I have compiled a list of current market listings and potential suppliers in the files below.