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Datasheet generated 2026-10-07
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Eaton FAZ-B1/1 Miniature Circuit Breaker — 1P, Type B, 1 A, 15 kA

Eaton · Electrical Components · Miniature Circuit Breakers · Ireland · eaton.com
Part Number
FAZ-B1/1  ·  HS 8536.20
Eaton FAZ-B1/1 Miniature Circuit Breaker — 1P, Type B, 1 A, 15 kA

Eaton FAZ-B1/1 miniature circuit breaker (MCB) from the xEffect FAZ range. 1-pole, rated current In = 1 A, Type B tripping characteristic. Rated ultimate short-circuit breaking capacity Icu = 15 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 FAZ-B1/1, EAN 4015082785208, Eaton/SAP material 1200237008, catalogue code 82233169.

Technical Specifications

ManufacturerEaton
Product familyxEffect FAZ
Type designationFAZ-B1/1
Manufacturer part number (MPN)FAZ-B1/1
EAN / GTIN4015082785208
Eaton / SAP material no.1200237008
Poles1P
Tripping characteristicType B
Rated current In1 A
Rated ultimate breaking capacity Icu15 kA
Rated operational voltage Ue230/400 V AC
MountingDIN rail (35 mm)
StandardIEC/EN 60947-2
HS code8536.20
Sales unitpcs
Eaton catalogue number278520
Depth80 mm
Height75.5 mm
Width17.7 mm
Weight0.111 kg
CompliancesUL CSA09 (with supplementary protector only); RoHS conform
CertificationsCSA-C22.2 No. 235; UL 1077; CSA (File No. 204453); North America (UL recognized, CSA certified); CE marking; CSA (Class No. 3215-30); UL (File No. E177451); IEC/EN 60947-2; UL (Category Control Number QVNU2, QVNU8); IEC/EN 60898; EN45545-2; IEC 61373
Catalog NotesFor applications that require protection due to potential wiring damage at low fault conditions.
Current limiting class3
FeaturesAdditional equipment possible
Special featuresAmbient temperature hint: a 1 °C increase results in a 0.5% linear reduction of current carrying capacity
Used withFAZ; Miniature circuit breaker
Amperage Rating1 A
ApplicationBranch circuits, not as BCPD Switchgear for industrial and advanced commercial applications xEffect - Switchgear for industrial and advanced commercial applications
Number of polesSingle-pole
Number of poles (protected)1
Number of poles (total)1
Release characteristicB
TypeFAZ Miniature circuit breaker
Ambient operating temperature - max75 °C
Ambient operating temperature - min-25 °C
Equipment heat dissipation, current-dependent1.6 W
Heat dissipation capacity0 W
Heat dissipation per pole, current-dependent0 W
Rated operational current for specified heat dissipation (In)1 A
Static heat dissipation, non-current-dependent0 W
Breaking capacity10 kA (UL1077)
Frequency rating - max60 Hz
Frequency rating - min50 Hz
Operational voltage (IEC/EN 60947-2) - max254 VAC
Overvoltage categoryIII
Pollution degree2
Rated impulse withstand voltage (Uimp)4 kV
Rated insulation voltage (Ui)440 V
Rated operational voltage (Ue) - max230 V
Rated service short-circuit breaking capacity (IEC/EN 60898-1) - Ics7.5 kA
Rated service short-circuit breaking capacity (IEC/EN 60947-2) - Ics7.5 kA
Rated short-circuit breaking capacity (IEC/EN 60898-1) - Icn at 230 V10 kA
Rated short-circuit breaking capacity (IEC/EN 60898-1)- Icn at 400 V10 kA
Rated short-circuit breaking capacity (IEC 60947-2)- Icu at 230 V15 kA
Rated short-circuit breaking capacity (IEC 60947-2)- Icu at 400 V15 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 rating10 kA
Voltage rating240 V AC / 415 V AC
Voltage rating (IEC/EN 60898-1)240 VAC
Voltage rating (UL CSA 13)277 V AC; 48 V DC
Voltage rating (UL)277 V
Voltage typeAC
Built-in depth70.5 mm
Connectable conductor cross section (multi-wired) - max25 mm²
Connectable conductor cross section (multi-wired) - min1 mm²
Connectable conductor cross section (solid-core) - max25 mm²
Connectable conductor cross section (solid-core) - min1 mm²
Degree of protectionIP20 (IEC); UL/CSA Type: -; IP20
Width in number of modular spacings1
Document NameDescription Action

Properties

Primary standardIEC/EN 60947-2
MOQ1

Standards

Cross-References

Attached Documents