Schneider Electric | Harmony XB4 Series (ZB4-B) | Light Block The Harmony XB4 series of Light Blocks by Schneider Electric, specifically the ZB4 range of products offer you the reliability and certainty when you need it the most. The range is typically used as a body for a pilot light and can be used with pilot light heads. Features and benefits • Complete body/light block assembly (incandescent bulb may or may not come with the product, see datasheet)

• Light block supply direct / <= 2.4 W

• Lightweight, easy to fit and configure screw clamp terminal connectors. Easily removable and adjustable.

• Electrical durability to 1,000,000 cycles.

• Schneider Green Premium product as standard across the XB4 Contact block range. Environmentally friendlier than alternatives, easy to dispose of safely.

• 18 month warranty period with Schneider Electric.

Protection ratings -

• EN/IEC 60947-1, 60947-5-1 & 60947-5-4.

• UL 508 & CSA C22.2 No 14.

• Vibration resistance 5 gn (f = 2...500 Hz) conforming to IEC 60068-2-6

• Shock resistance to 30/50gn dependant on the duration (see datasheet for spec). Applications - • Can be used with pilot lights