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This 90‑degree Krone Block Cat3 keystone jack is designed for telecommunication voice cabling. It features color‑coded T568 A/B wiring scheme and meets or exceeds TIA/EIA Cat3 requirements. Constructed of high‑temperature thermoplastic housing with phosphor‑bronze 6‑50u'' gold‑plated contacts, it accepts 22‑26 AWG solid wire with 0.4‑0.6mm insulation diameter. Compact jack design delivers extremely low attenuation loss and high return loss. Multiple color options are available for different site deployment requirements.
Tailored for 22–26AWG voice cabling, this mini-sized Cat3 voice keystone jack adopts a vertical 90° Krone wiring structure. Its minimized body design enables high-density dense installation inside patch panels and wall sockets. It optimizes internal cabinet space utilization, perfectly fitting large-scale multi-channel voice wiring layouts for commercial office and building communication systems.
Standard T568A/B color labeling is pre-marked on the jack surface to guide on-site wiring operations. Installers can complete core wire alignment and wiring positioning quickly via intuitive color recognition. The humanized marking design effectively lowers miswiring probability and improves overall construction efficiency during mass installation projects.
Surpassing industry TIA/EIA Cat3 technical standards, this voice-grade modular jack is professionally tuned for analog telephone signal transmission. It delivers ultra-clean audio transmission and stable signal output, capable of supporting long-term reliable voice communication for both household and commercial telephone network systems.
Made of high-temperature resistant engineering plastic material, the jack casing features outstanding environmental adaptability. It resists structural deformation and material aging caused by heat accumulation and temperature changes inside compact communication cabinets, maintaining intact structural stability for long-term indoor working scenarios.
Built with premium gold-plated phosphor bronze contact points, this jack optimizes signal transmission efficiency and minimizes line return loss. The high-purity conductive structure effectively filters voice line static interference, ensuring pure and stable call signals. It retains excellent electrical performance even after long-term continuous use and frequent plugging.
This voice jack supports universal solid copper cables from 22AWG to 26AWG, matching 0.4mm–0.6mm conventional insulation wire diameters. It covers most mainstream building voice cables on the market. The versatile wire compatibility greatly improves on-site construction flexibility and reduces material matching restrictions for contractors.
Upgraded specialized Krone IDC card slot structure fits standard industry punching tools perfectly, simplifying the whole wire termination process. After tool crimping, the wire cores are tightly fixed with zero loose contact. The reinforced wiring structure guarantees stable circuit connection and effectively avoids intermittent voice line failures in long-term operation.
Multiple casing color choices are available for this Cat3 jack, supporting visual classification of different voice circuit groups. Staff can quickly distinguish independent line areas through color differentiation, greatly accelerating daily circuit inspection, fault investigation and later communication system maintenance work
VK-2053-C3
Available in Telecommunication,T568 A/B wiring scheme,meet or exceed TIA/EIA Cat3 requirements
Housing:high temperature thermoplastic
Compact jack design,6 positions and 6/4 conductors
Phosphor bronze with 6 to50 u' gold plated
Accpept 22-26 AWG solid with a insulation diameter of 0.4-0.6mm
Easy to be terminated,extremely low attenuation loss and high return loss
High reliability and superior performance
Available in different colors
