Eaton FAZ-Z4/1 Supplementary Protector - UL 1077
Part Number: FAZ-Z4/1
Quick Summary
Eaton FAZ-Z4/1 supplementary protector is a compact overcurrent device designed for control panels and small industrial machines. Engineers often fight nuisance trips and tight installation tolerances that slow upgrades. This unit carries UL 1077, CSA, and IEC 60947-2 certifications, reinforcing safety, interoperability, and regulatory compliance across automation environments. Its very low instantaneous setting protects sensitive loads without compromising reliability, while the single-pole, standard-terminal design keeps wiring straightforward. For procurement and maintenance teams, the combination of a small footprint and compliant performance translates into faster installs, reduced field rework, and improved system uptime in wiring and connectivity applications.
Product Information
Extended Description
FAZ-Z4/1 Eaton: Eaton FAZ supplementary protector,UL 1077 Industrial miniature circuit breaker - supplementary protector,4 A,15 kAIC,Single-pole,240/415 V,2-3X /n,Standard terminals,Z Curve
Product Name
Eaton FAZ supplementary protector
Catalog Number
FAZ-Z4/1
EAN
4015082786229
Product Length/Depth
1 in
Product Height
1 in
Product Width
0.75 in
Product Weight
0.5 lb
Warranty
1 year
Certifications
CSA Std. C22.2 No.235 UL 1077 IEC 60947-2
Catalog Notes
Very low instantaneous setting to provide tighter protection for loads more sensitive to overcurrents.
Number of poles
Single-pole
Terminals
Standard
Amperage Rating
4 A
Trip Type
2-3X /n
Compact form factor enables denser panel layouts and easier retrofits in tight enclosures. This size advantage reduces enclosure space, wiring runs, and installation time, delivering tangible cost savings for machine builders and service teams. In typical automation cabinets, the 1 in by 1 in by 0.75 in footprint supports clean layouts and faster commissioning. Very low instantaneous setting provides tighter protection for sensitive loads without triggering nuisance trips. The result is higher equipment uptime in critical control loops, sensors, and relays that are often stressed by inrush currents. This characteristic is particularly valuable for compact power circuits and precision automation tasks where false trips erode productivity. Rated 4 A and 240/415 V operation, with a single-pole design and standard terminals, ensures straightforward wiring and broad compatibility with common control circuits. The standard terminals simplify field wiring and reduce interconnect errors during startup, testing, or retrofit projects. The small footprint also minimizes panel wiring congestion, enabling cleaner routing of harnesses and easier diagnostics. 2-3X /n trip curve provides selective protection, allowing larger loads to tolerate brief surges while still guarding sensitive devices. This improves availability in multi-load panels and reduces disruption during motor start-ups or sensor calibration sequences. Certifications UL 1077, CSA, IEC 60947-2, plus a 1-year warranty, support regulatory compliance and long-term maintenance planning. This combination helps maintenance teams justify procurement decisions through demonstrated safety and reliability.
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FAQs
The FAZ-Z4/1 is a UL 1077 compliant supplementary protector, single-pole, 4 A, used in control panels and automation equipment to provide overcurrent protection for control circuits. It fits 240/415 V systems with standard terminals, and its small footprint helps with panel density. It's ideal for protecting sensitive loads in machine control and safety circuits.
Yes. It uses standard terminals and a compact single-pole design that fits typical control panels. The 0.75 inch width and 1 inch depth allow straightforward wiring and quick retrofits, reducing wiring errors and enabling reliable connection to relays, PLCs, and sensors.
It carries UL 1077, CSA Std. C22.2 No.235, and IEC 60947-2, verifying electrical safety and interoperability across North American and international equipment. These certifications help meet regulatory requirements, support vendor qualification, and simplify procurement for compliant automation projects.
Yes, it is designed for control panels, automation cabinets, and small machines where precise overload protection is needed. Its 4 A rating and low instantaneous trip setting protect sensitive loads while keeping panel downtime low, especially in applications with frequent inrush or sensitive electronics.
The compact form factor saves space and reduces wiring complexity, accelerating commissioning and reducing labor costs. With a 1-year warranty and strong safety certifications, maintenance planners can expect predictable service life and lower risk of unexpected trips, contributing to improved operational uptime and lower total cost of ownership.