--- product_id: 89390848 title: "LBY 4pcs Busbar Insulator, SM-35 Polyester Standoff Insulators with Screw(M8), High-Strength Busbar Insulator Supporter, Resin(Red)" brand: "lby" price: "R546" currency: ZAR in_stock: true reviews_count: 11 category: "Lby" url: https://www.desertcart.co.za/products/89390848-lby-4pcs-busbar-insulator-sm-35-polyester-standoff-insulators-screw store_origin: ZA region: South Africa --- # 600V operating voltage rating M8 screw for secure fastening 3000N axial tensile strength LBY 4pcs Busbar Insulator, SM-35 Polyester Standoff Insulators with Screw(M8), High-Strength Busbar Insulator Supporter, Resin(Red) **Brand:** lby **Price:** R546 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your connections with unshakable strength! ## Quick Answers - **What is this?** LBY 4pcs Busbar Insulator, SM-35 Polyester Standoff Insulators with Screw(M8), High-Strength Busbar Insulator Supporter, Resin(Red) by lby - **How much does it cost?** R546 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/89390848-lby-4pcs-busbar-insulator-sm-35-polyester-standoff-insulators-screw) ## Best For - lby enthusiasts ## Why This Product - Trusted lby brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust Resin Build:** Durable polyester resin ensures long-lasting insulation and heat resistance. - • **Complete 4-Piece Set:** Ready-to-install pack with four insulators and screws, perfect for power distribution panels. - • **High Voltage Endurance:** Rated for 600V operating and 5000V pulse voltage to handle demanding electrical loads. - • **Precision M8 Screw Fit:** Securely fasten busbars with high-strength copper screws for reliable connections. - • **Superior Mechanical Strength:** Withstands 3000N axial tensile and 4000N bending forces for industrial-grade stability. ## Overview The LBY SM-35 Busbar Insulator set features four high-strength polyester resin standoff insulators with M8 copper screws, designed for secure, insulated busbar mounting in power distribution cabinets. Rated for 600V operation and built to withstand significant mechanical stress, these red resin insulators combine electrical safety with industrial durability, making them an essential upgrade for professional electrical setups. ## Description LBY Busbar Insulator SM-35 Polyester Standoff Insulators with Screw ● Product: - SM-35 - Height: 35 mm - Material: resin - Nut size: M8 - Nut material: copper - Screw hole depth: 10mm - Strength: axial tensile 3000N, bending 4000N, tightening torque 12N/ m - Insulation resistance >500MΩ - Electrical properties: Operating voltage:600V, pulse voltage:5000V - Leakage current <1mA at 2000V operating voltage - Minimum arc distance: 10 (mm) ● Package: - SM-35 ------- 4pcs ● Description: - SM-35 with screw High-strength insulator,complex insulators. - The product is generally cylindrical, with one screw hole at each end and a screw to fix the line that needs to be connected. - Widely used in high low power distribution cabinet.For power distribution, transmission, fixing copperor alumnium busbar, etc, play the role of insulation and connection. - Good electrical resistance, heat resistance, fire resistance, low shrinkage and water resistance.Excellent texture and good workmanship are your choice. Review: Insulated electrical stand offs - Worked great for mounting bus bars in an electric panel, good robust parts Review: High Quality - The resin body is very tough. I appreciate having complete dimensions, since i'm using them in a tight space. I do worry about the long-time corrosion-resistance of the 'chromate-like' plating on the screws; wish they were stainless steel. ## Features - 1.Red resin SM-35(with screw)enhanced busbar insulator connector, complex insulators. - 2.Material: resin; Colour: red. - 3.Size : SM-35: product height: 35mm(1.38''). - 4.Contains: 4 pieces, with screw(M8). - 5.Use: widely used in high low power distribution cabinet.For power distribution, transmission, fixing copperor alumnium busbar, etc, play the role of minsulation and connection. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B078TC3TQM | | Best Sellers Rank | #108,587 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #587 in Butt Terminals #25,421 in Electrical Equipment | | Brand Name | LBY | | Color | Red | | Connector Type | Screw | | Contact Material | Copper, Resin | | Customer Reviews | 4.6 4.6 out of 5 stars (71) | | Insulation Material Type | Polyester Resin | | Manufacturer | LBY | | Material Type | Polyester Resin,Copper Iron | | Maximum Voltage | 600 Volts | | Model | LBY-034-1 | | Specification Met | RoHS, UL | | Stud Size | m8 | | Terminal | Screw Terminal | | UPC | 663274582384 | ## Product Details - **Color:** Red - **Connector Type:** Screw - **Contact Material:** Copper, Resin - **Insulation Material:** Polyester Resin - **Terminal:** Screw Terminal ## Images ![LBY 4pcs Busbar Insulator, SM-35 Polyester Standoff Insulators with Screw(M8), High-Strength Busbar Insulator Supporter, Resin(Red) - Image 1](https://m.media-amazon.com/images/I/81yXkWx3jKL.jpg) ![LBY 4pcs Busbar Insulator, SM-35 Polyester Standoff Insulators with Screw(M8), High-Strength Busbar Insulator Supporter, Resin(Red) - Image 2](https://m.media-amazon.com/images/I/81GkdozHKWL.jpg) ![LBY 4pcs Busbar Insulator, SM-35 Polyester Standoff Insulators with Screw(M8), High-Strength Busbar Insulator Supporter, Resin(Red) - Image 3](https://m.media-amazon.com/images/I/81Tq8CcLzjL.jpg) ![LBY 4pcs Busbar Insulator, SM-35 Polyester Standoff Insulators with Screw(M8), High-Strength Busbar Insulator Supporter, Resin(Red) - Image 4](https://m.media-amazon.com/images/I/81IMtIMsAzL.jpg) ![LBY 4pcs Busbar Insulator, SM-35 Polyester Standoff Insulators with Screw(M8), High-Strength Busbar Insulator Supporter, Resin(Red) - Image 5](https://m.media-amazon.com/images/I/81FFCYI3YmL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Insulated electrical stand offs *by R***N on September 4, 2025* Worked great for mounting bus bars in an electric panel, good robust parts ### ⭐⭐⭐⭐ High Quality *by O***N on May 22, 2025* The resin body is very tough. I appreciate having complete dimensions, since i'm using them in a tight space. I do worry about the long-time corrosion-resistance of the 'chromate-like' plating on the screws; wish they were stainless steel. ### ⭐⭐⭐⭐⭐ Great *by R***. on December 17, 2024* Perfect for make a busbar ## Frequently Bought Together - LBY 4pcs Busbar Insulator, SM-35 Polyester Standoff Insulators with Screw(M8), High-Strength Busbar Insulator Supporter, Resin(Red) - SELTERM 10pcs - 1/0 Awg - 1/4" Stud - Battery Lugs - Ring Terminal Connectors with 12pcs 3:1 Black & Red Heat Shrink Tubing with Adhesive | Heavy Duty Battery Cable Ends - Tinned Copper Wire Lugs Kit - SELTERM 10pcs - 2/0 Awg - 3/8" Stud - Battery Lugs - Ring Terminal Connectors | with 12pcs 3:1 Black & Red Heat Shrink Tubing with Adhesive | Heavy Duty Battery Cable Ends - Bare Copper Wire Lugs Kit --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/89390848-lby-4pcs-busbar-insulator-sm-35-polyester-standoff-insulators-screw](https://www.desertcart.co.za/products/89390848-lby-4pcs-busbar-insulator-sm-35-polyester-standoff-insulators-screw) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-04-22*