Schneider ZBE101 Harmony XB4 XB5 Contact Block 1NO Screw Clamp

The Schneider Electric ZBE101 is a single contact block designed for 22 mm Harmony XB4 and XB5 pushbutton heads, providing one normally open (1NO) contact with a silver alloy construction and screw clamp terminal connection. Rated at 3 A / 240 V AC-15, it offers reliable switching in control circuit applications with a mechanical durability of 10 million cycles.

Technical specifications:

• Commercial reference: ZBE101
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Harmony XB4, Harmony XB5
• Product type: Single contact block
• Contact configuration: 1NO
• Contact material: Silver alloy (Ag/Ni)
• Connection type: Screw terminal, <= 2 x 1.5 mm² with cable end, >= 1 x 0.22 mm² without cable end (per IEC 60947-1)
• Rated operational current: 3 A at 240 V AC-15 / 6 A at 120 V AC-15 / 0.1 A at 600 V DC-13
• Rated insulation voltage: 600 V (pollution degree 3, per IEC 60947-1)
• Rated impulse withstand voltage: 6 kV (per IEC 60947-1)
• Thermal current in air: 10 A (per IEC 60947-5-1)
• Short-circuit protection: 10 A gG fuse (per IEC 60947-5-1)
• IP rating: IP20 (per IEC 60529)
• Operating temperature: -40...70 °C
• Storage temperature: -40...70 °C
• Mechanical durability: 10,000,000 cycles
• Electrical durability: 1,000,000 cycles AC-15 at 2 A / 230 V
• Operating travel: 2.6 mm (NO changes electrical state), 4.3 mm (total travel)
• Operating force: 2.3 N (NO changes electrical state)
• Tightening torque: 0.8...1.2 N.m (per IEC 60947-1)
• Vibration resistance: 5 gn at 2...500 Hz (per IEC 60068-2-6)
• Shock resistance: 30 gn (18 ms) / 50 gn (11 ms) per IEC 60068-2-27
• Weight: 0.011 kg
• Mounting: Front mounting
• Standards: IEC 60947-5-1, IEC 60947-1, IEC 60947-5-4, CSA C22.2 No 14, UL 508, JIS C8201-5-1, JIS C8201-1
• Certifications: UL, CSA, CCC, DNV, GOST, LROS, BV

Features and benefits:

• Silver alloy (Ag/Ni) contacts ensure low contact resistance and long service life across 10 million mechanical cycles.
• Wide operating temperature range of -40...70 °C suits both indoor and harsh industrial environments.
• Screw clamp terminals accept conductors from 0.22 mm² to 1.5 mm², simplifying wiring and reducing installation time.
• Front-mounting design integrates directly onto Harmony XB4 and XB5 22 mm head bodies without additional tools.
• Sold in packs of 5, reducing procurement overhead for panel builders installing multiple control stations.
• Compliant with multiple international certifications (UL, CSA, DNV, CCC) for global deployment in machinery and control panels.

Applications:

• Control panels and operator workstations using 22 mm Harmony XB4 or XB5 pushbutton or selector switch assemblies.
• Industrial automation systems requiring low-voltage control circuit switching for motors, drives, or PLCs.
• Marine and offshore installations where DNV and LROS certifications are required.
• Machine control cabinets in manufacturing environments needing reliable, long-life auxiliary contacts.

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

Also known as: Schneider ZBE101, Schneider Electric ZBE101, Harmony contact block 1NO, XB4 XB5 auxiliary contact block.