Schneider Electric ZB4BZ104 ZB4 Single Contact Block 2NC

The Schneider Electric ZB4BZ104 is a single contact block with body-fixing collar from the Harmony XB4 range, compatible with ZB4 pushbutton assemblies. It provides a 2NC slow-break, positive-opening contact configuration with screw-terminal connection.

• Product family: Harmony XB4
• Contact configuration: 2 NC, slow break, positive opening; contact reference ISO (11–12) NC
• Contact material: Silver alloy (Ag/Ni)
• Connection: Screw terminals; ≤ 2 × 1.5 mm² with cable-end ferrule, or ≥ 1 × 0.22 mm² without cable-end ferrule, per IEC 60947-1
• Rated thermal current [Ith]: 10 A per IEC 60947-5-1
• Rated insulation voltage [Ui]: 600 V (pollution degree 3) per IEC 60947-1
• Rated impulse withstand voltage [Uimp]: 6 kV per IEC 60947-1
• Rated operating current [Ie] – AC-15: 3 A at 240 V / 6 A at 120 V (A600) per IEC 60947-5-1
• Rated operating current [Ie] – DC-13: 0.27 A at 250 V / 0.55 A at 125 V (Q600) per IEC 60947-5-1
• Short-circuit protection: 10 A gG fuse per IEC 60947-5-1
• Mechanical durability: 5,000,000 cycles
• Electrical durability: 10,000,000 cycles (AC-15, 2 A at 230 V; < 3,600 cycles/h; load factor 0.5) per IEC 60947-5-1 Annex C
• Tightening torque: 0.8–1.2 N·m per IEC 60947-1
• Dimensions (W × H × D) / weight: 30 × 47 × 37 mm / 0.062 kg