Eaton FAZ-Z25/4 Supplementary Protector - UL 1077
Part Number: FAZ-Z25/4
Quick Summary
The Eaton FAZ-Z25/4 supplementary protector protects sensitive loads in control panels and enclosures, delivering reliable, space-conscious protection for automated equipment. In harsh industrial environments, nuisance trips and unplanned downtime can derail production; this device helps prevent that by providing tight instantaneous protection for critical loads. It carries essential certifications for wide adoption, including UL 1077, IEC 60947-2, and CSA Std. C22.2 No.235, helping your design meet North American and global safety requirements. With a compact four-pole form, standard terminals, and a predictable 25 A rating, it integrates smoothly into motor control centers, automation panels, and cabinet installations, driving improved uptime and lower maintenance costs.
Product Information
Extended Description
FAZ-Z25/4 Eaton: Eaton FAZ supplementary protector,UL 1077 Industrial miniature circuit breaker - supplementary protector,25 A,15 kAIC,Four-pole,2-3X /n,Standard terminals,Z Curve
Product Name
Eaton FAZ supplementary protector
Catalog Number
FAZ-Z25/4
EAN
4015082791179
Product Length/Depth
3 in
Product Height
3 in
Product Width
3 in
Product Weight
1 lb
Warranty
1 year
Certifications
UL 1077 IEC 60947-2 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
Four-pole
Terminals
Standard
Amperage Rating
25 A
Trip Type
2-3X /n
Feature → Business Impact → Application: Four-pole design delivers coordinated protection across three-phase systems plus neutral, reducing wiring complexity and speeding fault isolation in complex automation installations. This improves panel reliability and lowers maintenance time for conveyors, robotic cells, and machine tools. Application: ideal for motor control centers and automation panels where space is at a premium. Feature → Business Impact → Application: Very low instantaneous setting provides tighter protection for loads more sensitive to overcurrents, reducing wear, arcing, and unexpected trips. This translates to longer equipment life and less unscheduled downtime. Application: critical drives, servo systems, and CNC equipment where surge events are common. Feature → Business Impact → Application: UL 1077, IEC 60947-2, and CSA standard certifications streamline procurement and qualification, reducing engineering time and validating compliance across North American markets. Application: panel builders serving multi-national customers. Feature → Business Impact → Application: Standard terminals simplify installation, enabling faster wiring and compatibility with existing harnesses in new builds or retrofits. Application: retrofits in existing control panels and new automation cabinets. Feature → Business Impact → Application: Compact 3 in x 3 in x 3 in footprint and 1 lb weight support dense panel layouts and lightweight installation without sacrificing protection. Application: compact control enclosures and space-constrained electrical cabinets.
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FAQs
The FAZ-Z25/4 is a UL 1077 supplementary protector designed for four-pole protection in control panels and motor control centers. It suits sensitive loads in automation equipment and enclosures, with standard terminals for quick wiring and a compact 3 x 3 x 3 in footprint.
Certified to UL 1077, IEC 60947-2, and CSA Std. C22.2 No.235, the FAZ-Z25/4 meets North American and international safety standards for industrial miniature circuit breakers used as supplementary protectors.
The device features a 25 A rating with a 2-3X /n trip type, providing fast instantaneous protection for sensitive loads while delivering dependable overload protection in industrial panels.
The FAZ-Z25/4 measures 3 in x 3 in x 3 in with standard terminals, weighs about 1 lb, and is designed for straightforward mounting in standard electrical enclosures, enabling rapid on-site wiring without special adapters.
By tightening instantaneous protection for sensitive equipment, it reduces downtime and wear from overcurrents, simplifies procurement through global certifications, and supports predictable maintenance schedules with a 1-year warranty on the protector.