Eaton FAZT-B4/4 Miniature Circuit Breaker — 4P, Type B, 4 A, 25 kA
Eaton

Eaton FAZT-B4/4 Miniature Circuit Breaker — 4P, Type B, 4 A, 25 kA

Part numberFAZT-B4/4EAN / GTIN4015082409319HS code8536.20
IEC/EN 60947-2
Electrical Components
Miniature Circuit Breakers
MOQ:1

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Product Description

Eaton FAZT-B4/4 miniature circuit breaker (MCB) from the xEffect FAZ-T range. 4-pole, rated current In = 4 A, Type B tripping characteristic. Rated ultimate short-circuit breaking capacity Icu = 25 kA to IEC/EN 60947-2; rated operational voltage Ue 230/400 V AC. DIN-rail (35 mm) modular device for overload and short-circuit protection of cables and equipment. Conforms to IEC/EN 60947-2. Eaton type FAZT-B4/4, EAN 4015082409319, Eaton/SAP material 1200293377, catalogue code 82262187.

Technical Specifications

Manufacturer
Eaton
Product family
xEffect FAZ-T
Type designation
FAZT-B4/4
Manufacturer part number (MPN)
FAZT-B4/4
EAN / GTIN
4015082409319
Eaton / SAP material no.
1200293377
Poles
4P
Tripping characteristic
Type B
Rated current In
4 A
Rated ultimate breaking capacity Icu
25 kA
Rated operational voltage Ue
230/400 V AC
Mounting
DIN rail (35 mm)
Standard
IEC/EN 60947-2
HS code
8536.20
Sales unit
pcs
Eaton catalogue number
240931
Depth
80 mm
Height
75.5 mm
Width
72 mm
Weight
0.455 kg
Compliances
RoHS conform
Certifications
IEC/EN 60947-2; EN45545-2; IEC 61373
Used with
FAZ-T; Miniature circuit breaker
Amperage Rating
4 A
Features
Additional equipment possible
Frame
45 mm
Frequency rating
50 Hz / 60 Hz
Pollution degree
2
Lifespan, mechanical
10000 operations
Mounting Method
Quick attachment with 3 latch positions for top-hat rail IEC/EN 60715
Degree of protection
IP20
Equipment heat dissipation, current-dependent
5.8 W
Rated impulse withstand voltage (Uimp)
4 kV
Busbar material thickness
0.8 mm (except N 0.5 SU)
Terminal protection
Finger and hand touch safe, DGUV VS3, EN 50274
Terminals (top and bottom)
Twin-purpose terminals
Ambient operating temperature - max
75 °C
Ambient operating temperature - min
-25 °C
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
Current limiting class
3
Enclosure width
80 mm
Frequency rating - max
60 Hz
Frequency rating - min
50 Hz
Heat dissipation capacity
0 W
Heat dissipation per pole, current-dependent
0 W
Direction of incoming supply
As required
Voltage rating (IEC/EN 60898-1)
400 VAC
Width in number of modular spacings
4
Voltage rating (IEC/EN 60947-2)
415 V
Voltage type
AC
Mounting position
As required
Overvoltage category
III
Number of poles
Four-pole
Lifespan, electrical
4000 operations
Release characteristic
B
Type
FAZ-T Miniature circuit breaker
Special features
Ambient temperature hint: a 1 °C increase results in a 0.5% linear reduction of current carrying capacity
Application
Switchgear for industrial and advanced commercial applications xEffect - Switchgear for industrial and advanced commercial applications
Mounting width
17.5 mm
Mounting width per pole
17.5 mm
Number of poles (protected)
4
Number of poles (total)
4
Operational voltage (IEC/EN 60947-2) - max
440 VAC
Operational voltage at DC (EC/EN 60947-2) - max
60 VDC
Rated insulation voltage (Ui)
440 V
Rated operational current for specified heat dissipation (In)
4 A
Rated operational voltage (Ue) - max
440 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
15 kA
Rated short-circuit breaking capacity (IEC/EN 60898-1)- Icn at 400 V
15 kA
Rated short-circuit breaking capacity (IEC 60947-2)- Icu at 230 V
25 kA
Rated short-circuit breaking capacity (IEC 60947-2)- Icu at 400 V
25 kA
Rated switching capacity (IEC/EN 60898-1)
15 kA
Rated switching capacity (IEC/EN 60947-2)
25 kA
Rated switching capacity (IEC/EN 60947-2) at max voltage rating
15 kA
Static heat dissipation, non-current-dependent
0 W
Terminal capacity
1 mm² - 25 mm²
Tightening torque
Max. 2.4 Nm
Power loss
5.8 W

Standards & Compliance

Standard
IEC/EN 60947-2
HS Code
8536.20

Cross References

  • EAN 4015082409319
  • SAP 1200293377
  • Code 82262187

Product Documentation

Document preview: Eaton FAZT-B4/4 Miniature Circuit Breaker — 4P, Type B, 4 A, 25 kA — Specification Data Sheet (OEM)

Catalogue entry last verified: 2026-09-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy FAZT-B4/4?
FAZT-B4/4 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 FAZT-B4/4.
What is the HS code for FAZT-B4/4?
The customs tariff (HS) code for FAZT-B4/4 is 8536.20.
Who manufactures FAZT-B4/4?
FAZT-B4/4 is a Eaton product in the Electrical Components range.
Is a datasheet available for FAZT-B4/4?
Yes — the FAZT-B4/4 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for FAZT-B4/4?
The minimum order quantity is 1.
Is FAZT-B4/4 available?
Yes — FAZT-B4/4 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).