Eaton FAZ-Z4/2 Supplementary Protector - UL 1077
Part Number: FAZ-Z4/2
Quick Summary
Eaton FAZ-Z4/2 supplementary protector provides overcurrent protection for sensitive loads in control panels. Engineers often battle nuisance trips in compact assemblies, and this unit’s very low instantaneous setting helps guard delicate equipment without unnecessary outages. Certified to IEC 60947-2, UL 1077, and CSA Std. C22.2 No.235, the FAZ-Z4/2 meets rigorous safety requirements while delivering reliable performance in industrial environments. Its two-pole design with standard terminals keeps wiring simple and maintenance minimal. The 4 A rating and 15 kAIC fault-current capability support a wide range of control circuits, enabling faster commissioning and better uptime for machinery and panel builds.
Product Information
Extended Description
FAZ-Z4/2 Eaton: Eaton FAZ supplementary protector,UL 1077 Industrial miniature circuit breaker - supplementary protector,4 A,15 kAIC,Two-pole,2-3X /n,Standard terminals,Z Curve
Product Name
Eaton FAZ supplementary protector
Catalog Number
FAZ-Z4/2
EAN
4015082788216
Product Length/Depth
1.5 in
Product Height
1.5 in
Product Width
1.5 in
Product Weight
0.5 lb
Warranty
1 year
Certifications
IEC 60947-2 UL 1077 CSA Std. C22.2 No.235
Catalog Notes
Very low instantaneous setting to provide tighter protection for loads more sensitive to overcurrents.
Number of poles
Two-pole
Terminals
Standard
Amperage Rating
4 A
Trip Type
2-3X /n
Feature: Compact two-pole body with standard terminals enables easy mounting and straightforward wiring. Business Impact: The 1.5 in footprint and 0.5 lb weight reduce panel depth and enclosure costs while preserving serviceability. Application: Ideal for control panels, machine housings, and distributed I/O enclosures in industrial settings. Feature: 4 A amperage rating with a 2-3X trip characteristic provides tight protection for sensitive circuits. Business Impact: Lowers the risk of nuisance trips on electronics and PLC interfaces, improving system reliability and uptime. Application: Used in signal conditioning, control loops, and low-current feeders in automation panels. Feature: UL 1077, IEC 60947-2, and CSA certifications ensure broad regulatory compliance. Business Impact: Simplifies procurement and audit readiness, reducing compliance gaps and review times. Application: Suitable for UL-listed control panels and IEC-based industrial installations. Feature: Very low instantaneous setting (Z-curve) per catalog notes tightens protection for loads sensitive to overcurrents. Business Impact: Protects valuable devices and sensors from transient surges, reducing repair costs and downtime. Application: Perfect for electronics-heavy control cabinets and sensitive instrumentation. Feature: Compact footprint with standard terminals supports fast installation and scalable panel design. Business Impact: Speeds commissioning, lowers installation labor, and enables modular panel builds. Application: Recommended for machine builders, panel shops, and OEM integrators seeking reliable, space-efficient protection.
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FAQs
The FAZ-Z4/2 is a two-pole supplementary protector with standard terminals designed for industrial miniature circuit breaker applications. It aligns with IEC 60947-2 and UL 1077 requirements, making it suitable for control panels, PLC cabinets, and machine enclosures that demand compact, reliable overcurrent protection.
This unit features a 4 A amperage rating with a 2-3X trip characteristic, complemented by a Z-curve instantaneous setting. This combination provides tight protection for sensitive loads while minimizing nuisance trips during normal operation, ideal for electronics and low-current control circuits.
Yes. The FAZ-Z4/2 is UL 1077 listed as a supplementary protector, designed for industrial panel protection. It also carries IEC 60947-2 and CSA certifications, supporting compliance in UL-listed assemblies and cross-border installations.
By using a compact, certified two-pole device with a low instantaneous setting, the FAZ-Z4/2 reduces nuisance trips and ensures rapid fault interruption for sensitive loads. Its IEC 60947-2, UL 1077, and CSA certifications streamline audits and approvals in industrial IEC-based environments.
Plan for a compact footprint (1.5 in x 1.5 in x 1.5 in) with standard terminals. The device weighs about 0.5 lb and carries a 4 A rating, suitable for control-panel wiring in tight spaces. Ensure mounting within two-pole assemblies and verify compatibility with IEC 60947-2 and UL 1077 requirements.