TTD Series Insulation Piercing Connector
JUNW TTD Series Insulation Piercing Connectors (IPCs)
1.Core Product Advantages
JUNW TTD Series Insulation Piercing Connectors are premium low-voltage distribution connection solutions, featuring custom torque nut matching and scalable single/dual-bolt housing designs for differentiated application scenarios. Key competitive strengths:
•Stripping-Free, Live-Line Installation: No cable stripping required, fully compatible with copper/aluminum (Cu/Al) cables, enabling fast, error-free hot-line tapping without damaging conductors.
•Precision Torque Control: Each model pairs with dedicated torque nuts (F1309/F1314/F1318/F1720/F1725/F1737) to deliver consistent, reliable piercing pressure, eliminating human installation error.
•Harsh Environment Durability: Self-sealed housing provides waterproof, UV-resistant, anti-corrosion performance, with 6kV insulation strength and 15kA impulse current capacity, ideal for outdoor grid and industrial sites.
•Cost & Space Efficiency: Eliminates terminal boxes, junction boxes and cable return lines, cutting construction time and material costs, perfect for smart grid retrofits, building distribution and renewable energy projects.
2.Model-Specific Differentiation (Grouped by Application)
•Entry-Level Small-Load (86A Max, 1×M8, F1309 Torque Nut):
oTTD041FV0: 6–35mm² main / 1.5–10mm² branch, compact single-bolt design, tailored for residential and light commercial small-load tapping.
oTTD051FV0: 16–95mm² main / 1.5–10mm² branch, single-bolt structure, suited for medium main-line small-branch commercial distribution.
•Mid-Range Versatile (200A Max, 1×M8, F1309/F1314):
oTTD101FV0: 6–50mm² main / 2.5(6)–35mm² branch, small-to-medium section, ideal for residential and commercial flexible tapping.
oTTD151FV0: 25–95mm² main / 2.5(6)–35mm² branch, medium main-line, for commercial and light industrial applications.
oTTD281FV0: 50–185mm² main / 2.5(6)–35mm² branch, large main-line small-branch, for grid trunk line tapping.
•Mid-High Current Single-Bolt (377A Max, 1×M8, F1314/F1318):
oTTD201FV0: 35–95mm² main / 25–95mm² branch, equal/medium section, for commercial and industrial medium-load branching.
oTTD251FV0: 50–150mm² main / 25–95mm² branch, large main-line medium-branch, for grid and industrial distribution.
oTTD271FV0: 35–120mm² main / 35–120mm² branch, equal-section, for industrial and grid equal-diameter cable connection.
•Heavy-Duty Dual-Bolt High-Current (504A–679A Max, 2×M8/M10):
oTTD401FV0: 50–185mm² main / 50–150mm² branch, 2×M8, 504A, dual-bolt for large-section industrial/grid connections.
oTTD431FV0: 70–240mm² main / 16–95mm² branch, 2×M10 (17mm height), 377A, for large main-line grid tapping.
oTTD441FV0: 95–240mm² main / 50–150mm² branch, 2×M10, 504A, dual-bolt for high-current industrial/grid.
oTTD451FV0: 95–240mm² main / 95–240mm² branch, 2×M10, 530A, equal-section heavy-duty for extreme industrial/grid.
oTTD551FV0: 120–400mm² main / 95–240mm² branch, 2×M10, 679A, maximum-spec dual-bolt for ultra-large grid/industrial trunk lines.
English 
Unit 2, Building 18, Phase II, Dongtou Emergency Industrial Park, Wenzhou, Zhejiang Province, China
+86-13587789751
junwei@jvele.com