Description
YongSung Electric YSPTT-04C 4-Pole Test Terminal Block
YongSung Electric | Switchboard & Control Panel Test Accessories
This unit is unused old inventory / new surplus stock that was stored without original packaging. Due to bulk storage and long shelf life, we are listing it as Used. Note: One terminal cover cap is missing from this unit. The terminal contacts, mounting base, and internal conducting links are in unused condition with minor storage marks. Please review all listing photographs carefully to confirm physical condition and missing cap detail prior to purchase.
Product Overview
The YongSung Electric YSPTT-04C is a high-reliability 4-pole test terminal block engineered for secondary circuit testing, current/voltage measuring, and isolation in industrial electrical protection panels.
Widely deployed in switchboards, power distribution systems, and industrial control cabinets, the YSPTT-04C allows control engineers to safely disconnect or test metering circuits without interrupting primary supply systems. Built with robust dielectric insulation and conductive terminals, it delivers stable current path isolation and long-term panel maintenance functionality.
Technical Specifications
| Specification Parameter | Details |
|---|---|
| Brand / Manufacturer | YongSung Electric |
| Model / Part Number | YSPTT-04C |
| Component Type | 4-Pole Test Terminal Block / Disconnect Assembly |
| Number of Poles | 4 Poles |
| Included Accessories Note | 1 Protective Cover Cap Missing (As Shown) |
| Mounting & Installation | Panel Surface / Switchboard Frame Mounting |
| Primary Application | Secondary Circuit Testing, Metering Disconnect, Relay Panel Isolation, Power Distribution |
Key Features
- Safe Secondary Isolation: Designed specifically for voltage and current testing in protective relay circuits without disturbing system wiring.
- High Dielectric Strength: Built with high-grade insulating material to withstand voltage surges and maintain panel safety integrity.
- Durable Terminal Construction: Features robust conductive hardware for minimal resistance and long service lifetime in heavy industrial panels.
- Industrial Panel Standard: Standardized mounting footprint makes it an easy direct replacement for existing YongSung test blocks.
Please note that international import duties, taxes, customs clearance fees, and VAT are not included in the item price or shipping charges. These charges are the sole responsibility of the buyer. Please check with your country’s customs office to determine what these additional costs will be prior to purchasing.
Fast Express Delivery & Secure Packaging
Worldwide Fast Express Shipping (5 to 10 Days): We ship globally via premier express carriers (DHL / FedEx / UPS Express) to ensure delivery within 5 to 10 business days.

