SM40 Standoff Insulator with Screw

Function: Electrically insulates and mechanically supports busbars or terminals in switchgear and control panels.

Key Specifications:

• Material: Flame-retardant DMC (Dough Molding Compound) or epoxy resin
• Threaded Insert: M8 or M10 brass screw (pre-installed or detachable)
• Height: ~40 mm
• Diameter: ~40 mm
• Rated Voltage: 660V–1000V AC
• Withstand Voltage: ≥3000V
• Tensile Strength: ≥10kN
• Temperature Resistance: -40°C to +120°C
• Color: Typically red or brown

Features:

• High mechanical strength and electrical insulation
• Corrosion-resistant brass inserts
• Easy installation with threaded screws
• Suitable for vertical or horizontal mounting

Applications:

• Power distribution cabinets
• Busbar support systems
• Control panels and switchgear
• Renewable energy and battery banks