Schneider ZBZG156 Harmony XB4 Test Light Function Block

The Schneider Electric ZBZG156 is a single test light function block from the Harmony XB4 and XB5 series, designed to test lamp illumination. It supports rated voltages of 12 V AC/DC, 24 V AC/DC, and 24...120 V AC/DC, and is compatible with integrated LED and BA 9s lamp types.

Technical specifications:

• Commercial reference: ZBZG156
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Harmony XB4 / Harmony XB5
• Product type: Single test light function block
• Rated voltage [Us]: 12 V AC/DC / 24 V AC/DC / 24...120 V AC/DC
• Compatible lamp types: Integrated LED, BA 9s
• Electrical connection: 1 wire
• Material: Plastic
• Shock protection class: Class I for Harmony XB4 per IEC 60536 / Class II for Harmony XB5 per IEC 60536
• Product weight: 0.01 kg
• Operating temperature: -25...70 °C
• Storage temperature: -40...70 °C
• Vibration resistance: 5 gn (f = 2...500 Hz) per IEC 60068-2-6
• Shock resistance: 30 gn for 18 ms per IEC 60068-2-27 / 50 gn for 11 ms per IEC 60068-2-27
• Standards: IEC 60947-1, IEC 60947-5-1, IEC 60947-5-4, IEC 60947-5-5, UL 508, CSA C22.2 No 14, JIS C 4520
• Certifications: DNV, UL, LROS (Lloyd's Register of Shipping), BV, CSA

Features and benefits:

• Wide voltage range (12 V to 120 V AC/DC) for flexible integration across control panel applications
• Compatible with both integrated LED and BA 9s lamp formats for versatile lamp selection
• Certified to multiple international standards including UL, CSA, DNV, and Lloyd's Register for global use
• Robust shock and vibration resistance for reliable performance in demanding industrial environments
• Plastic housing with Class I or Class II protection depending on the Harmony series used
• Plastic-free packaging with recycled cardboard and no SVHC substances per REACh declaration

Applications:

• Lamp test function in industrial control panels and operator stations
• Signalling and indication circuits in machine automation and process control enclosures
• Marine and offshore control systems requiring DNV or Lloyd's Register certified components
• Control desks and command stations where LED or BA 9s indicator lamp testing is required

Compliant with IEC 60947-1, IEC 60947-5-1, IEC 60947-5-4, IEC 60947-5-5, UL 508, CSA C22.2 No 14, and JIS C 4520. Part of the Schneider Electric Harmony XB4 / XB5 range.

Also known as: Schneider ZBZG156, Schneider Electric ZBZG156, Harmony XB4 test lamp block, Schneider lamp test function block.