Eaton FAZ-Z40/3 Supplementary Protector - UL 1077
Part Number: FAZ-Z40/3
Quick Summary
The Eaton FAZ-Z40/3 supplementary protector is a compact three-pole device that provides additional overcurrent protection for control panels and industrial machinery. For engineers facing nuisance trips and inconsistent load behavior, tighter protection helps improve reliability and reduce downtime. This model carries UL 1077, CSA C22.2 No.235, and IEC 60947-2 certifications, ensuring global compliance for automation environments. With a 3-in footprint and standard terminals, it integrates smoothly into existing wiring schemes while delivering dependable 40 A protection for three-phase circuits. Designed for control panels and machine automation, it supports scalable protection strategies and safer, compliant operations in modern industrial wiring and connectivity ecosystems.
Product Information
Extended Description
FAZ-Z40/3 Eaton: Eaton FAZ supplementary protector,UL 1077 Industrial miniature circuit breaker - supplementary protector,40 A,15 kAIC,Three-pole,2-3X /n,Standard terminals,Z Curve
Product Name
Eaton FAZ supplementary protector
Catalog Number
FAZ-Z40/3
EAN
4015082789312
Product Length/Depth
3 in
Product Height
3 in
Product Width
3 in
Product Weight
1 lb
Warranty
1 year
Certifications
UL 1077 CSA Std. C22.2 No.235 IEC 60947-2
Catalog Notes
Very low instantaneous setting to provide tighter protection for loads more sensitive to overcurrents.
Number of poles
Three-pole
Terminals
Standard
Amperage Rating
40 A
Trip Type
2-3X /n
Very low instantaneous setting provides tighter protection for loads more sensitive to overcurrents, reducing nuisance trips and extending equipment life in automation racks. The 40 A rating with a 15 kAIC short-circuit capacity delivers robust protection for motor starters and control gear, improving uptime and safety in manufacturing lines. Three-pole construction with standard terminals simplifies wiring and integration into three-phase panels, enabling faster installation and consistent performance across machines and conveyors. Certifications including UL 1077, CSA C22.2 No.235, and IEC 60947-2 confirm compliance for global electrical standards, reducing audit risk and facilitating cross-border projects. The catalog notes emphasize tighter protection for sensitive loads, supporting precision control in robotics, CNCs, and process automation. Its compact 3 x 3 x 3 in footprint and 1 lb weight offer installation flexibility in crowded panels, with compatibility across common DIN rail configurations and enclosure layouts for reliable upgrades.
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FAQs
FAZ-Z40/3 features a three-pole design with standard terminals and a 3 in × 3 in × 3 in footprint, making it straightforward to drop into typical 3‑phase panels and control cabinets. It wires like a conventional supplementary protector and is suitable for panel upgrades, ensuring minimal rework while delivering reliable overcurrent protection for automated machinery.
The FAZ-Z40/3 is a 40 A supplementary protector with a 15 kAIC short-circuit capability and a trip type specified as 2-3X. This combination supports fast isolation of faults in industrial environments, protecting motors and control gear from damaging overcurrents while maintaining selectivity with upstream breakers in multi-tier protection schemes.
Yes. The catalog notes indicate a very low instantaneous setting to provide tighter protection for loads more sensitive to overcurrents, which is ideal for safeguarding delicate motors, servo drives, and automation electronics in modern production lines against transient fault events and nuisance trips.
FAZ-Z40/3 carries UL 1077 certification, CSA Standard C22.2 No.235, and IEC 60947-2 certification, ensuring compliance for North American and international electrical standards. These certifications support safe installation in industrial automation environments and simplify regulatory auditing for machine builders and end users.
By reducing nuisance trips and providing precise, reliable overcurrent protection, FAZ-Z40/3 helps minimize downtime and wear on downstream equipment. The 1-year warranty adds peace of mind, while standard terminals and a compact footprint simplify maintenance checks and future upgrades in evolving control panels.