Eaton / Cutler-HammerFAZ-D5/2-NA
Eaton / Cutler-Hammer FAZ-C4/2-NA Miniature Circuit Breaker
- 4A
- 2 Pole
- DIN Rail
Eaton / Cutler-Hammer
FAZ-C4/2-NA
Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
FAZ-C4/2-NA
Quantity
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Eaton / Cutler-Hammer FAZ-C4/2-NA - 4A 2 Pole Miniature Circuit Breaker
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Description
Part of the FAZ-NA series, this Eaton 2-pole, 4-amp miniature circuit breaker provides reliable overcurrent protection for commercial and industrial applications. It handles medium inrush currents from small transformers and pilot devices. The unit mounts onto standard 35mm DIN rail systems. It is fully reverse feed capable for flexible installation in industrial control panels. Rated for 10kAIC at 480Y/277VAC, this UL 489 listed breaker features a C-curve thermal-magnetic trip mechanism.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | FAZ-C4/2-NA |
| Series | FAZ-NA |
| Amperage | 4A |
| Poles | 2 |
| Mounting Style | DIN Rail |
| Voltage | 480Y/277VAC, 96VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 480Y/277VAC, 10kA @ 96VDC |
| Frame Type | FAZ |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | DIN Rail Systems, Industrial Control Panels |
| Wire Gauge | 18-6 AWG (1 wire), 18-10 AWG (2 wires) |
| Max Wire | 6 AWG |
| Min Wire | 18 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Curve | C |
| Trip Adjustability | Fixed |
| Available Options | Auxiliary Switch, Bell Alarm, Busbar System, Lockout Attachment, Padlock Attachment, Shunt Trip, Undervoltage Release |
|---|---|
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | ABS, CCC, CE, CSA, cULus, DNV, IEC, Lloyd's, RoHS, UL, VDE |
| Temp Rating | -40C to 75C |
| Construction Features | Current Limiting, HACR Rated, Reverse Feed, Trip-Free Mechanism |
Product FAQs
8 answersWhat does the C in the FAZ-C4/2-NA catalog number indicate?
The C indicates a C-curve trip characteristic. This means the breaker is designed to trip instantaneously at 5 to 10 times its rated current, making it ideal for applications with medium inrush currents like small transformers, lighting, and pilot devices.
What does the -NA suffix mean on this Eaton miniature circuit breaker?
The -NA suffix indicates that the breaker is UL 489 listed for branch circuit protection in North America. This is distinct from UL 1077 supplementary protectors, allowing it to be used as a primary overcurrent protection device in industrial control panels.
What is the recommended tightening torque for the terminals on the FAZ-C4/2-NA?
The required tightening torque depends on the wire size used. For 18 to 12 AWG wire, torque to 21 lb-in. For 10 to 8 AWG wire, torque to 25 lb-in. For 6 AWG wire, torque to 36 lb-in.
Can this 2-pole breaker be used in DC applications?
Yes, the FAZ-C4/2-NA is rated for use in DC circuits up to 96VDC, providing a 10kA interrupting capacity for direct current applications.
Is the FAZ-C4/2-NA compatible with standard DIN rail systems?
Yes, it mounts directly onto standard 35mm DIN rail without the need for additional tools or mounting hardware.
Can this breaker be reverse fed?
Yes, Eaton FAZ-NA series miniature circuit breakers are suitable for reverse feed applications, allowing power to be supplied from either the top or bottom terminals.
Does this breaker provide current limiting protection?
Yes, the FAZ-NA series features a current limiting design. This means it interrupts fault currents within one half cycle, reducing the peak let-through energy that could otherwise damage downstream circuit components.
Are there field-installable accessories available for the FAZ-C4/2-NA?
Yes, this breaker accepts various field-installable accessories, including auxiliary contacts, alarm switches, and shunt trips, which can be mounted directly to the device.
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