The Schneider Electric ZBVB4 is a red LED light block designed for 22 mm pushbutton heads in the Harmony XB4 and XB5 series. It provides steady-state visual signalling with an integral protected LED rated at 24 V AC/DC, sold in indivisible quantities of 5. Note: this product was discontinued on 30 October 2023.

Technical specifications:

• Commercial reference: ZBVB4
• Manufacturer: Schneider Electric
• EAN: 3389110089639
• Series / range: Harmony XB4, Harmony XB5
• Product type: Light block
• Device short name: ZBV
• Light source colour: Red
• Light source: Protected LED (integral)
• Signalling type: Steady
• Rated supply voltage [Us]: 24 V AC/DC at 50/60 Hz
• Supply voltage limits: 19.2…30 V DC / 21.6…26.4 V AC
• Current consumption: 18 mA
• Service life: 100,000 h at rated voltage and 25 C
• Mounting: Front mounting
• Connection type: Screw clamp terminals, up to 2 x 1.5 mm with cable end (EN 60947-1); from 1 x 0.22 mm without cable end (EN 60947-1)
• Tightening torque: 0.8…1.2 N.m (EN 60947-1)
• IP protection rating: IP20 (IEC 60529)
• Operating temperature: -40…70 C
• Storage temperature: -40…70 C
• Surge withstand: 1 kV (IEC 61000-4-5)
• Resistance to fast transients: 2 kV (IEC 61000-4-4)
• Resistance to electromagnetic fields: 10 V/m (IEC 61000-4-3)
• Electrostatic discharge: 6 kV on contact / 8 kV in free air (IEC 61000-4-2)
• Electromagnetic emission: Class B (IEC 55011)
• Protective treatment: TH
• Product weight: 0.017 kg
• Certifications: CSA, UL listed
• Standards: EN/IEC 60947-5-4, EN/IEC 60947-5-5, EN/IEC 60947-5-1, EN/IEC 60947-1, UL 508, CSA C22.2 No 14, JIS C8201-5-1, JIS C8201-1
• Warranty: 18 months

Features and benefits:

• Integral protected LED delivers long-lasting steady visual indication with a 100,000 h service life at rated voltage and 25 C
• Wide supply voltage range (19.2…30 V DC / 21.6…26.4 V AC) ensures compatibility across standard 24 V control circuits
• Front-mounting design allows straightforward installation onto 22 mm Harmony XB4 and XB5 pushbutton heads
• Screw clamp terminals accept conductors from 0.22 mm to 1.5 mm, offering flexible wiring options
• Robust EMC performance: rated for surge, fast transient, electrostatic discharge, and electromagnetic field immunity per IEC standards
• 30% recycled plastic and 10% recycled metal content; packaging made with recycled cardboard and no single-use plastic

Applications:

• Control panel indicator lights on industrial machinery and automation systems
• Status signalling on operator control stations and pushbutton boxes
• Machine control desks requiring 24 V AC/DC steady-state visual indication
• Building installation control panels using Harmony XB4 or XB5 22 mm operator interface components

Compliant with EN/IEC 60947-5-1, EN/IEC 60947-5-4, EN/IEC 60947-5-5, EN/IEC 60947-1, UL 508, CSA C22.2 No 14, JIS C8201-5-1, and JIS C8201-1. Part of the Schneider Electric Harmony XB4 and XB5 range.

Also known as: Schneider ZBVB4, Schneider Electric ZBVB4, Harmony XB4 red LED light block, 24V pilot light block.