The Lapp/Newell part number 231004 is a 34.5 kV Porcelain Station Post Insulator, often designated by its ANSI class TR-210. It is designed for high-performance use in electrical substations, switchgears, and bus applications.Key SpecificationsVoltage Rating: 34.5 kVBasic Impulse Level (BIL): 200 kVANSI Class: TR-210Leakage Distance: 37 inches (940 mm)Cantilever Strength: 2,000 lbsHeight: 18 inches (457 mm)Diameter: 6.3 inches (160 mm)Weight: ~36 lbs (16.4 kg)Product FeaturesMaterial: High-performance wet-process porcelain with a grey glazed finish.Hardware: Externally attached hardware ensures the porcelain is only loaded in compression, preventing internal bursting forces and cracking.Applications: Ideal for supporting heavy-duty switches, busbars, and handling short-circuit stresses in utility substations.Sourcing and Cross-ReferenceBecause Lapp and Newell share manufacturer cross-references, the 231004 unit is also frequently listed as 231004-7001. It corresponds to cross-reference numbers like PS02010 and TR-210.For immediate availability, you can check pricing and request quotes from authorized electrical distributors:Find in-stock pricing and delivery on Meister International.View availability and technical specs through the Rexel USA Product Catalog or WESCO.Do you need to cross-reference this insulator for another manufacturer (such as Victor or NGK Locke), or are you looking for mounting hardware specifications and bolt-circle dimensions?11 sitesNEWELL 231004-7001 Station Post - WESCOSpecifications. Insulator Type: Station Post Insulator. Material: Porcelain. Voltage - kV: 34.5 kV. Impulse Flashover, +/- kV: 22...WescoB LAPP Insulators: An Industry LeaderJun 17, 2024 — • High Strength Units. - Provide an extra margin of mechanical strength for heavy duty switch and bus applications. - Match standa...lappinsulators.comShow all
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