Schneider Electric ZB4BZ103 ZB4 Single Contact Block 2NO

The Schneider Electric ZB4BZ103 is a single contact block with body fixing collar from the Harmony XB4 range, carrying 2 normally open (NO) contacts with screw terminals. It forms a complete body/contact assembly for use with ZB4 series control stations and is rated to IEC 60947-5-1.

• Product family: Harmony XB4; product type: ZB4; complete body/contact assembly
• Contact composition: 2 NO (normally open), slow-break operation
• Contact material: Silver alloy (Ag/Ni)
• Connection: Screw terminals — ≤ 2 × 1.5 mm² with ferrule / ≥ 1 × 0.22 mm² without ferrule, per IEC 60947-1
• Rated insulation voltage (Ui): 600 V (pollution degree 3), per IEC 60947-1
• Rated impulse withstand voltage (Uimp): 6 kV, per IEC 60947-1
• Conventional thermal current (Ith): 10 A, per IEC 60947-5-1
• Rated operational current (Ie): 3 A at 240 V AC-15; 6 A at 120 V AC-15; 1.2 A at 600 V AC-15; 0.55 A at 125 V DC-13; 0.27 A at 250 V DC-13; 0.1 A at 600 V DC-13 — per IEC 60947-5-1
• Short-circuit protection: 10 A fuse, type gG, 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
• Operating travel: 2.6 mm (NO state change); total travel: 4.3 mm; operating torque: 0.05 N.m
• Tightening torque: 0.8–1.2 N.m, per IEC 60947-1
• Dimensions (W × H × D): 30 × 47 × 37 mm; weight: 0.062 kg