Stepped Grommets

STM 20

• Stepped grommet
• for knockouts M 20
• sealing range: Ø 5-16 mm
• bore-hole: Ø 20.5 mm
• wall thickness 1.5-4 mm
• for indoor - normal environment and (or) protected outdoor installation
• ambient temperature - 25 °C to + 35 °C
• glow wire test IEC 60695-2-11: 750 °C
• colour: grey, RAL 7035
• degree of protection: IP 55