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EATON - MOELLER FAZ-D8/4 FAZ-D8/4 279079 Y7-279079 EATON ELECTRIC Miniature circuit breaker (MCB), 8A, 4p, D-Char, AC View larger
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FAZ-D8/4 279079 Y7-279079 EATON ELECTRIC Miniature circuit breaker (MCB), 8A, 4p, D-Char, AC

FAZ-D8/4

279079

Y7-279079

EATON - MOELLER

1 Pcs.

Miniature circuit breaker (MCB), 8A, 4p, D-Char, AC FAZ-D8/4 Eaton Moeller series xEffect - FAZ MCB. FAZ, 4 pole, tripping characteristic: D, rated current In: 8 A Miniature circuit breaker (MCB), FAZ, 4 pole, tripping characteristic: D, rated current In: 8 A, Switchgear for industrial and advanced commercial applications

Automation > Miniature circuit breaker (MCB)
Modular Switchgear – Industrial

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General specifications

Product Name
Eaton Moeller series xEffect - FAZ MCB
Catalog Number
279079
Model Code
FAZ-D8/4
EAN
4015082790790
Product Length/Depth
80 mm
Product Height
75.5 mm
Product Width
72 mm
Product Weight
0.444 kg
Compliances
RoHS conform
Certifications
IEC/EN 60947-2
IEC/EN 60898
EN45545-2
IEC 61373

Delivery Programme

Application
Number of poles
Four-pole
Number of poles (total)
4
Number of poles (protected)
4
Tripping characteristic
D
Release characteristic
D
Amperage Rating
8 A
Type
  • FAZ
  • Miniature circuit breaker

Technical data - electrical

Voltage type
AC
Voltage rating
240 V AC / 415 V AC
Voltage rating at DC
60 V DC (per pole)
Rated operational voltage (Ue) - max
400 V
Rated insulation voltage (Ui)
440 V
Rated impulse withstand voltage (Uimp)
4 kV
Frequency rating - min
50 Hz
Frequency rating - max
60 Hz
Rated switching capacity (IEC/EN 60947-2)
15 kA
Operational switching capacity
7.5 kA
Rated short-circuit breaking capacity (EN 60898) at 230 V
10 kA
Rated short-circuit breaking capacity (EN 60898) at 400 V
10 kA
Rated short-circuit breaking capacity (IEC 60947-2) at 230 V
15 kA
Rated short-circuit breaking capacity (IEC 60947-2) at 400 V
15 kA
Admissible back-up fuse - max
125 A gL/gG
Selectivity class
3
Overvoltage category
III
Pollution degree
2
Lifespan, electrical
10000 operations
Direction of incoming supply
As required

Technical data - mechanical

Frame
45 mm
Enclosure width
80 mm
Width in number of modular spacings
4
Built-in depth
70.5 mm
Mounting width per pole
17.5 mm
Mounting width
17.5 mm
Mounting Method
Top-hat rail IEC/EN 60715
Mounting position
As required
Degree of protection
IP40 (when fitted)
IP20
Terminals (top and bottom)
Twin-purpose terminals
Connectable conductor cross section (solid-core) - min
1 mm²
Connectable conductor cross section (solid-core) - max
25 mm²
Connectable conductor cross section (multi-wired) - min
1 mm²
Connectable conductor cross section (multi-wired) - max
25 mm²
Terminal capacity of screw terminals for main cable
10 mm² (2x)
Terminal capacity (control cable)
25 mm² (1x)
Terminal protection
Finger and hand touch safe, DGUV VS3, EN 50274
Busbar material thickness
0.8 mm - 2 mm

Design verification as per IEC/EN 61439 - technical data

Rated operational current for specified heat dissipation (In)
8 A
Equipment heat dissipation, current-dependent
5.3 W
Ambient operating temperature - min
-25 °C
Ambient operating temperature - max
75 °C

Additional information

Current limiting class
3
Features
Concurrently switching N-neutral
Additional equipment possible
Used with
FAZ
Miniature circuit breaker

ETIM for 279079 Circuit breakers and fuses (EC000042)
Feature Name Feature Value
Built-in depth (EF000218) 70.5 mm
Release characteristic (EF000889) D
Number of poles (total) (EF008618) 4
Number of protected poles (EF005548) 4
Rated current (EF000227) 8 A
Rated voltage (EF000228) 400 V
Rated insulation voltage Ui (EF001366) 440 V
Rated impulse withstand voltage Uimp (EF011980) 4 kV
Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V (EF009556) 10 kA
Voltage type (EF000187) AC
Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V (EF009555) 10 kA
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V (EF009557) 15 kA
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V (EF009558) 15 kA
Frequency (EF000416) 50 Hz
Power loss (EF005387) 4.1 W
Current limiting class (EF002568) 3
Flush-mounted installation (EF007517) No
Concurrently switching neutral conductor (EF005997) Yes
Over voltage category (EF002569) 3
Pollution degree (EF002570) 2
Additional equipment possible (EF008148) Yes
Width in number of modular spacings (EF002950) 4
Degree of protection (IP) (EF005474) IP20
Ambient temperature during operating (EF007515) -25 °C
Connectable conductor cross section multi-wired (EF007343) 1 mm²
Connectable conductor cross section solid-core (EF007337) 1 mm²
Explosion-proof (EF004663) No

Product Datasheet

Electrica Online Product Datasheet Prepared from the current product description, catalog data and structured technical attributes.