INDICATING BEACON 48VDC 10W+OPTIONS. range of product: Harmony XVB Universal – product or component type: complete beacon – beacon or indicator bank unit type: base unit with direct or tube fixing mode, illuminated unit – signalling type: flashing – component name: XVBL – material: glass reinforced polyamide (base unit), polycarbonate (illuminated unit) – bulb type: incandescent, incandescent with BA 15d, protected LED – [Us] rated supply voltage: 24 V AC, 24…48 V DC – power dissipation in W: <= 7 W.