Overview
The Schneider Electric ZB5 AZ105 is a single contact block assembly for the Harmony XB5 series of 22mm push buttons and pilot lights. This unit features 1 NO + 1 NC slow-break silver alloy (Ag/Ni) standard contacts with a plastic body/fixing collar and screw clamp terminals, with a slotted screw head suitable for Harmony XB5 series switches. Built for reliable performance in industrial automation and machine control applications.
Key Features
- 10A rated contact current, 600V AC/DC contact voltage
- 1 NO + 1 NC configuration with slow-break silver alloy contacts
- Screw clamp terminals rated ≤2 × 1.5 mm²
- Operating temperature range -25°C to +70°C
- IP20 enclosure rating with plastic construction
- Certifications: UL 508 (E164353), CSA C22.2, CE marked, EN/IEC 60947-5-1
Technical Specifications
The ZB5 AZ105 supports 1,000,000 mechanical cycles with ratings including AC-15 at 2A 230V, 3A 120V, and 4A 24V, as well as DC-13 operation. The unit measures 1.18″ W × 1.26″ D × 1.65″ H and weighs 30 g. The Harmony XB5 series offers high performance in chemical environments and conformity with IEC, UL, CSA, CCC, EAC, and JIS standards with CE marking.
Typical Applications
The ZB5 AZ105 is commonly used in:
- Industrial machine control panels and automation systems
- Push button stations for start/stop and safety control circuits
- Emergency stop and pilot light assemblies
- Manufacturing equipment and heavy machinery control
- Process automation and plant floor signaling systems
Compatibility & Replacements
Compatible With
- Harmony 22mm push button XB5A operators
- Square D ZB4, ZB5, and ZBE series push button switches
- Industrial control panels using 22mm modular push button systems
- IEC 60947-5-1 compliant control circuits
Replaces / Drop-In Replacement For
The ZB5 AZ105 is the current production contact block for the Harmony XB5 series. It directly replaces earlier ZB5 contact block models in similar configurations. Verify compatibility with your system integrator before ordering.
Works With
- Harmony XB5 22mm push button operators and pilot lights
- Industrial control relay circuits and programmable logic controllers (PLCs)
- Standard screw terminal wiring and cable glands
- NEMA 4X, IP67, and high-protection-rated enclosures
