Schneider Electric XB4BW34B5 Harmony XB4 Illuminated Push Button 1NO+1NC 24V

The XB4BW34B5 is a Harmony XB4 series illuminated push button with a 22.5 mm panel mounting diameter, for use in industrial control and signalling panels. It carries a red flush round head with a plain lens and spring return, a 1 NO + 1 NC contact block with slow-break operation, and an integrated universal LED rated at 24 V AC/DC.

• Contact configuration: 1 NO + 1 NC, slow-break operation with positive opening per IEC 60947-5-1 Annex K
• Illumination: Integrated universal LED; rated voltage 24 V AC/DC at 50/60 Hz
• Head: Round, flush profile, red, plain lens, spring return
• Mounting diameter: 22.5 mm
• Body material: Chromed metal; mounting frame material: Zamak
• Terminal connections: Screw terminals — 1 × 0.22–2 × 2.5 mm² without ferrule; ≤ 2 × 1.5 mm² with ferrule (IEC 60947-1)
• Rated insulation voltage [Ui]: 600 V at pollution degree 3 (IEC 60947-1)
• Rated impulse withstand voltage [Uimp]: 6 kV (IEC 60947-1)
• Rated operational current [Ie]: 3 A at 240 V AC-15; 6 A at 120 V AC-15; 0.27 A at 250 V DC-13 (IEC 60947-5-1)
• Thermal current [Ith]: 10 A; short-circuit protection: 10 A gG fuse (IEC 60947-5-1)
• Contact material: Silver alloy (Ag/Ni)
• Mechanical durability: 10,000,000 cycles
• Electrical durability: 1,000,000 cycles at 2 A / 230 V AC-15, < 3,600 operations/h, load factor 0.5 (IEC 60947-5-1 Annex C)
• Dimensions: H 47 mm × W 30 mm × D 57 mm; weight 0.097 kg