--- product_id: 424761086 title: "LBY 4pcs Busbar Insulator, SM-40 Polyester Standoff Insulators with Screw(M8), High-Strength Insulated Junction Post, Resin(Red)" brand: "lby" price: "₱2124" currency: PHP in_stock: true category: "Lby" url: https://www.desertcart.ph/products/424761086-lby-4pcs-busbar-insulator-sm-40-polyester-standoff-insulators-screw store_origin: PH region: Philippines --- # 600V operating voltage rating Heat resistant up to 2500°F M8 screw for secure fastening LBY 4pcs Busbar Insulator, SM-40 Polyester Standoff Insulators with Screw(M8), High-Strength Insulated Junction Post, Resin(Red) **Brand:** lby **Price:** ₱2124 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your power game with LBY’s high-strength insulated busbar connectors! ## Quick Answers - **What is this?** LBY 4pcs Busbar Insulator, SM-40 Polyester Standoff Insulators with Screw(M8), High-Strength Insulated Junction Post, Resin(Red) by lby - **How much does it cost?** ₱2124 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/424761086-lby-4pcs-busbar-insulator-sm-40-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 - • **Built to Withstand:** Engineered for extreme durability with 2500°F heat resistance and 5000N bending strength. - • **Safety Meets Style:** Vibrant red resin not only signals high-quality but also helps you spot critical junctions at a glance. - • **Rock-Solid Connection:** M8 copper screw terminals ensure a reliable, vibration-proof fit every time. - • **Power-Grade Insulation:** Resin body delivers >1000MΩ insulation resistance, safeguarding your circuits under 600V load. - • **Plug & Play Convenience:** Comes in a 4-piece set with screws included—ready to upgrade your power distribution setup instantly. ## Overview The LBY SM-40 Busbar Insulator set features four high-strength resin standoff insulators with M8 copper screw terminals, designed for secure, insulated connections in power distribution cabinets. Rated for 600V operation and resistant to heat up to 2500°F, these connectors combine superior electrical insulation (>1000MΩ) with mechanical robustness (5000N bending strength), making them an essential upgrade for professionals demanding reliability and safety. ## Description LBY Wire Junction Post SM-40 Polyester Standoff Insulated Junction Post with Screw ● Product: - SM-40 - Height: 40 mm - Material: resin - Nut size: M8 - Nut material:copper - Screw hole depth:10.5mm - Strength: axial tensile 3000N, bending 5000N, tightening torque 15N/ m - Insulation resistance >1000MΩ - Electrical properties: Operating voltage:600V, pulse voltage:5000V - Leakage current <1mA at 2000V operating voltage - Minimum arc distance: 15 (mm) ● Package: - SM-40 ------- 4pcs ● Description: - 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. ## Features - 1.SM-40(with screw)enhanced busbar insulator connector, complex insulators. - 2.Material: resin; Colour: red. - 3.Size : SM-40: product height: 40mm(1.57''). - 4.Contains: 4 pieces, with screw(M8). - 5.Use: widely used in high low power distribution cabinet, play the role of minsulation and connection. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09H387424 | | Best Sellers Rank | #111,388 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #561 in Butt Terminals #25,803 in Electrical Equipment | | Brand Name | LBY | | Color | red | | Connector Gender | Male | | Connector Type | Screw | | Contact Material | Copper | | Customer Reviews | 4.6 4.6 out of 5 stars (74) | | Insulation Material Type | resin | | Manufacturer | LBY | | Material Type | resin | | Maximum Voltage | 600 Volts | | Model | LBY-034-8 | | Number of Items | 4 | | Part Number | LBY-034-8 | | Specification Met | UL | | Stud Size | m8 | | Temperature Rating | 2500 degree fahrenheit | | Terminal | Screw Terminal | | UPC | 663274968133 | | Unit Count | 4.0 Count | ## Product Details - **Color:** red - **Connector Type:** Screw - **Contact Material:** Copper - **Insulation Material:** resin - **Terminal:** Screw Terminal ## Images ![LBY 4pcs Busbar Insulator, SM-40 Polyester Standoff Insulators with Screw(M8), High-Strength Insulated Junction Post, Resin(Red) - Image 1](https://m.media-amazon.com/images/I/81s44PMMn5L.jpg) ![LBY 4pcs Busbar Insulator, SM-40 Polyester Standoff Insulators with Screw(M8), High-Strength Insulated Junction Post, Resin(Red) - Image 2](https://m.media-amazon.com/images/I/71QnvD4mrXL.jpg) ![LBY 4pcs Busbar Insulator, SM-40 Polyester Standoff Insulators with Screw(M8), High-Strength Insulated Junction Post, Resin(Red) - Image 3](https://m.media-amazon.com/images/I/81ZSN3Fqz8L.jpg) ![LBY 4pcs Busbar Insulator, SM-40 Polyester Standoff Insulators with Screw(M8), High-Strength Insulated Junction Post, Resin(Red) - Image 4](https://m.media-amazon.com/images/I/81q6cuNwyPL.jpg) ![LBY 4pcs Busbar Insulator, SM-40 Polyester Standoff Insulators with Screw(M8), High-Strength Insulated Junction Post, Resin(Red) - Image 5](https://m.media-amazon.com/images/I/71yU3oyUqDL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Do they come in black?** A: No, it's a red shell with a yellow inside **Q: is it UL certified?** A: Yes they are. I used them in junction box for a ground bar. Worked out well. ## Frequently Bought Together - LBY 4pcs Busbar Insulator, SM-40 Polyester Standoff Insulators with Screw(M8), High-Strength Insulated Junction Post, Resin(Red) - BTF-LIGHTING AC100-240V to DC5V20A Max100W Switching Power Supply Device Transformer Adapter Converter for LED Strip/String/LED Matrix,CCTV Camera,Security System,Radio,Cats - ACEIRMC ADS1115 16 Bit 16 Byte 4 Channel I2C IIC Analog-to-Digital ADC PGA Converter with Programmable Gain Amplifier High Precision ADC Converter Development Board for Arduino Raspberry Pi (5pcs) --- ## 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.ph/products/424761086-lby-4pcs-busbar-insulator-sm-40-polyester-standoff-insulators-screw](https://www.desertcart.ph/products/424761086-lby-4pcs-busbar-insulator-sm-40-polyester-standoff-insulators-screw) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-08-20*