The Schneider Electric Harmony XB6 ZB6E1B is a single contact block with front mounting and one normally open (1 NO), slow-break contact. It connects via Faston terminals and has Ag/Ni silver alloy contacts.

• Type: Heavy-duty single contact block
• Diameter: 16 mm
• Contacts: 1 NO
• Operating action: Slow-break
• Mounting: Front
• Connection: Faston
• Contact material: Ag/Ni silver alloy
• ISO terminal description: 1 (3-4) NO
• Contact travel: 2 mm for NO
• Total travel: 3.5 mm
• Operating force: 1.6 N
• Mass: 0.004 kg
• Positive opening: According to EN/IEC 60947-5-1 Annex K
• Mechanical durability: 5,000,000 cycles
• Short-circuit protection: 6 A gG fuse
• Ui: 250 V
• Uimp: 4 kV
• Ie at 120 V AC-15 B300: 3 A
• Ie at 240 V AC-15 B300: 1.5 A
• Ie at 250 V DC-13 R300: 0.1 A
• Ie at 125 V DC-13 R300: 0.22 A
• Electrical durability: 1,000,000 cycles at 230 V AC-15 and 230 V DC-13
• Operating rate: 3,600 cycles/h
• Load factor: 0.5
• Electrical reliability: IEC 60947-5-4, λ = 10exp(-8) at 5 V and 1 mA, 90% confidence level
• Coating: TC
• Storage temperature: -40 to 70 °C
• Operating temperature: -25 to 70 °C
• Degree of protection: IP65 according to IEC 60529
• Standards: EN/IEC 60947-1, EN/IEC 60947-5-1, EN/IEC 60947-5-4, JIS C 4520, JIS C 852, UL 508, CSA C22.2 No. 14
• Certifications: CCC, CSA, GOST, UL
• Vibration resistance: ±3 mm and 5 gn at 2–500 Hz, IEC 60068-2-6
• Shock resistance: 30 gn for 18 ms and 50 gn for 11 ms, IEC 60068-2-27
• Package quantity: 10 pieces