FAZ-D4/3 (278888)
Eaton

FAZ-D4/3 (278888)

Part number278888EAN / GTIN4015082788889HS code8536.30
Electrical Components
Miniature Circuit Breakers
MOQ:1

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Product Description

Eaton 278888 Industry unit breaker 3pol 4A D curve.

Technical Specifications

Manufacturer part number (MPN)
278888
EAN / GTIN
4015082788889
Sales unit
pcs
Package quantity
40 pcs
Eaton catalogue number
278888
Depth
80 mm
Height
75.5 mm
Width
54 mm
Weight
0.338 kg
Compliances
UL CSA09 (with supplementary protector only); RoHS conform
Certifications
North America (UL recognized, CSA certified); CSA-C22.2 No. 235; IEC/EN 60898; UL 1077; CE marking; UL (Category Control Number QVNU2, QVNU8); UL (File No. E177451); CSA (Class No. 3215-30); CSA (File No. 204453); IEC/EN 60947-2; EN45545-2; IEC 61373
Current limiting class
3
Features
Additional equipment possible
Special features
Ambient temperature hint: a 1 °C increase results in a 0.5% linear reduction of current carrying capacity
Used with
Miniature circuit breaker; FAZ
Amperage Rating
4 A
Application
Branch circuits, not as BCPD Switchgear for industrial and advanced commercial applications xEffect - Switchgear for industrial and advanced commercial applications
Number of poles
Three-pole
Number of poles (protected)
3
Number of poles (total)
3
Release characteristic
D
Tripping characteristic
D
Type
FAZ Miniature circuit breaker
Ambient operating temperature - max
75 °C
Ambient operating temperature - min
-25 °C
Equipment heat dissipation, current-dependent
4.4 W
Rated operational current for specified heat dissipation (In)
4 A
Frequency rating - max
60 Hz
Frequency rating - min
50 Hz
Overvoltage category
III
Pollution degree
2
Rated impulse withstand voltage (Uimp)
4 kV
Rated insulation voltage (Ui)
440 V
Rated operational voltage (Ue) - max
400 V
Rated short-circuit breaking capacity (IEC/EN 60898-1) - Icn at 230 V
10 kA
Rated short-circuit breaking capacity (IEC/EN 60898-1)- Icn at 400 V
10 kA
Rated short-circuit breaking capacity (IEC 60947-2)- Icu at 230 V
15 kA
Rated short-circuit breaking capacity (IEC 60947-2)- Icu at 400 V
15 kA
Rated switching capacity (IEC/EN 60947-2)
15 kA
Voltage rating
240 V AC / 415 V AC
Voltage rating (UL CSA 13)
480 Y/277 V AC
Voltage type
AC
Built-in depth
70.5 mm
Connectable conductor cross section (multi-wired) - max
25 mm²
Connectable conductor cross section (multi-wired) - min
1 mm²
Connectable conductor cross section (solid-core) - max
25 mm²
Connectable conductor cross section (solid-core) - min
1 mm²
Degree of protection
IP20 (IEC); UL/CSA Type: -; IP20
Width in number of modular spacings
3
Document Name
Description Action
Power loss
4.5 W
Number of protected poles
3
Rated current
4 A
Rated voltage
400 V
Rated insulation voltage Ui
440 V
Rated impulse withstand voltage Uimp
4 kV
Frequency
50–60 Hz
Concurrently switching neutral conductor
No
Additional equipment possible
Yes
Ambient temperature during operating
-25–75 °C
Connectable conductor cross section multi-wired
1–25 mm²
Connectable conductor cross section solid-core
1–25 mm²
Explosion-proof
No
Flush-mounted installation
No
Country of origin
Romania

Standards & Compliance

HS Code
8536.30

Cross References

  • EAN 4015082788889
  • SAP 1200057323
  • Code 81915386

Product Documentation

Document preview: FAZ-D4/3 (278888) — Specification Data Sheet (OEM)

Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy 278888?
278888 can be ordered from cballast.com as a Eaton catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
What is the manufacturer part number for this Eaton product?
The manufacturer part number is 278888.
What is the HS code for 278888?
The customs tariff (HS) code for 278888 is 8536.30.
Who manufactures 278888?
278888 is a Eaton product in the Electrical Components range.
Is a datasheet available for 278888?
Yes — the 278888 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 278888?
The minimum order quantity is 1.
Is 278888 available?
Yes — 278888 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).