FAZ-B2/2 (278722)
Eaton

FAZ-B2/2 (278722)

Part number278722EAN / GTIN4015082787226HS code8536.30
Electrical Components
Miniature Circuit Breakers
MOQ:1

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Product Description

Eaton 278722 Industry unit breaker 2pol 2A B curve.

Technical Specifications

Manufacturer part number (MPN)
278722
EAN / GTIN
4015082787226
Sales unit
pcs
Package quantity
60 pcs
Eaton catalogue number
278722
Depth
80 mm
Height
75.5 mm
Width
36 mm
Weight
0.226 kg
Compliances
UL CSA09 (with supplementary protector only); RoHS conform
Certifications
CE marking; UL 1077; CSA (Class No. 3215-30); CSA (File No. 204453); UL (File No. E177451); CSA-C22.2 No. 235; IEC/EN 60947-2; UL (Category Control Number QVNU2, QVNU8); North America (UL recognized, CSA certified); IEC/EN 60898; 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
FAZ; Miniature circuit breaker
Amperage Rating
2 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
Two-pole
Number of poles (protected)
2
Number of poles (total)
2
Release characteristic
B
Tripping characteristic
B
Type
FAZ Miniature circuit breaker
Ambient operating temperature - max
75 °C
Ambient operating temperature - min
-25 °C
Equipment heat dissipation, current-dependent
2.8 W
Rated operational current for specified heat dissipation (In)
2 A
Breaking capacity
10 kA (UL1077)
Frequency rating - max
60 Hz
Frequency rating - min
50 Hz
Operational voltage (IEC/EN 60947-2) - max
440 VAC
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 service short-circuit breaking capacity (IEC/EN 60898-1) - Ics
7.5 kA
Rated service short-circuit breaking capacity (IEC/EN 60947-2) - Ics
7.5 kA
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 60898-1)
10 kA
Rated switching capacity (IEC/EN 60947-2)
15 kA
Rated switching capacity (IEC/EN 60947-2) at max voltage rating
10 kA
Voltage rating
240 V AC / 415 V AC
Voltage rating (IEC/EN 60898-1)
415 VAC
Voltage rating (UL CSA 13)
480 Y/277 V AC; 96 V DC
Voltage rating (UL)
480Y/277 V
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
UL/CSA Type: -; IP20 (IEC); IP20
Width in number of modular spacings
2
Power loss
2.8 W
Number of protected poles
2
Rated current
2 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 4015082787226
  • SAP 1200057325
  • Code 81915308

Product Documentation

Document preview: FAZ-B2/2 (278722) — 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 278722?
278722 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 278722.
What is the HS code for 278722?
The customs tariff (HS) code for 278722 is 8536.30.
Who manufactures 278722?
278722 is a Eaton product in the Electrical Components range.
Is a datasheet available for 278722?
Yes — the 278722 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 278722?
The minimum order quantity is 1.
Is 278722 available?
Yes — 278722 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).