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MCBs

MCB 3P 6kA C-20A 3M MCN320

EAN-Nr.

3250614311468

Packaging

4 PCEs

Technical characteristics
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Technical characteristics

Neutral position

without neutral
Number of protected poles

3
Number of poles

3 P
Type of pole

3 P
Curve

C

Concurrently switching N-neutral

No

Number of modules

3

Top connection alignement for modular devices

Aligned terminal
Bottom connection alignement for modular devices

Aligned terminal

Rated short circuit breaking capacity Icn AC according IEC60898-1

6 kA
Rated operational voltage Ue

415 V
Type of supply voltage

AC
Frequency

50/60 Hz

Rated insulation voltage

500 V
Rated impulse withstand voltage

4000 V

Rated current

20 A
Rated service breaking capacity Ics AC according IEC 60898-1

6 kA
min/maxi threshold value of the AC thermal operation

1.13 / 1.45 In
Magnetic regulating currrent

5 / 10 In
Rated short circuit breaking capacity Icn under 400V AC according IEC60898-1

6 kA

Rating current -25°C

25.3 A
Rating current -20°C

24.9 A
Rating current -15°C

24.4 A
Rating current -10°C

24 A
Rating current -5°C

23.5 A
Rating current 0°C

23.1 A
Rating current 5°C

22.6 A
Rating current 10°C

22.1 A
Rating current 15°C

21.6 A
Rating current 20°C

21.1 A
Rating current 25°C

20.5 A
Rating current 30°C

20 A
Rating current 35°C

19.4 A
Rating current 40°C

18.7 A
Rating current 45°C

18 A
Rating current 50°C

17.3 A
Rating current 55°C

16.6 A
Rating current 60°C

15.8 A
Rating current 65°C

15 A
Rating current 70°C

14.1 A

Correction factor of rating current for 2 devices placed side-by-side

1
Correction factor of rating current for 3 devices placed side-by-side

0.8
Correction factor of rating current for 4 and 5 devices placed side-by-side

0.7
Correction factor of rating current for 6 devices placed side-by-side

0.6
Correction factor of magnetic tripping with 100 Hz

1.1
Correction factor of magnetic tripping with 200 Hz

1.2
Correction factor of magnetic tripping with 400 Hz

1.5
Correction factor of magnetic tripping with 60 Hz

1

Depth of installed product

70 mm
Height of installed product

84.6 mm
Width of installed product

52.5 mm

Frequency

50 to 60 Hz

Total power loss under IN

8.86 W
Power loss per pole at In

3.07 W

Electric endurance in number of cycles

4000
Number of mechanical operations

20000

Type of top connection for modular devices

with screw
Tightening torque

2,8Nm
Type of top rail clip for modular devices

NA
Type of bottom rail clip for modular devices

plastic
Type of Bottom Connection for modular devices

BIconnect
Top removability for modular devices

No
Bottom removability for modular devices

Yes

Connection cross-sect. flexible conductor

1 / 25mm²
Connection cross-sect. rigid cable

1 / 35mm²
Connection cross-section of input and output with screws, for massive conductors

1 / 35 mm²
Connection cross section of access and exit with screws, for flexible conductor

1 / 25 mm²
Type of connection

with screw

Quick connect

no
With transparent product label holder

Yes

Standard text

IEC 60898-1

REACH conform

No
RoHS conform

Yes
Halogen free

No

Operating temperature

-25…70 °C
Degree of pollution according to IEC 60664 / IEC 60947-2

2
Class of energy limitation I²t

3
Altitude

2000 m
Air humidity protection

for all climates
Storage/transport temperature

-25…80 °C

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