MCB 3P 25kA C-3A 3M NRN303
EAN
3250614645112
Packaging
1 Piece
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Technical properties
Architecture
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Neutral positionwithout neutral
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Number of protected poles3
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Number of poles3 P
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Type of pole3 P
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CurveC
Functions
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Concurrently switching N-neutralNo
Configuration
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Number of modules3
Connectivity
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Top connection alignement for modular devicesAligned terminal
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Bottom connection alignement for modular devicesAligned terminal
Main electrical features
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Rated short circuit breaking capacity Icn AC according IEC60898-110 kA
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Rated operational voltage Ue415 V
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Type of supply voltageAC
Voltage
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Rated insulation voltage500 V
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Max operating voltage415 V
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Rated impulse withstand voltage6000 V
Electric current
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Rated current3 A
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Rated service breaking capacity Ics AC according IEC 60898-17.5 kA
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min/maxi threshold value of the AC thermal operation1.13 / 1.45 In
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Magnetic regulating currrent5 / 10 In
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min/maxi threshold value of the DC magnetic operation5 / 15 In
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min/maxi threshold value of the DC thermal operation1.13 / 1.45 In
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Rating current -10°C according to IEC 609473.72 A
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Rating current -15°C according to IEC 609473.77 A
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Rating current -20°C according to IEC 609473.82 A
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Rating current -25°C according to IEC 609473.88 A
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Rating current -5°C according to IEC 609473.66 A
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Rating current 0°C according to IEC 609473.61 A
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Rating current 10°C according to IEC 609473.5 A
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Rating current 15°C according to IEC 609473.44 A
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Rating current 20°C according to IEC 609473.38 A
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Rating current 25°C according to IEC 609473.32 A
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Rating current 30°C according to IEC 609473.26 A
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Rating current 35°C according to IEC 609473.19 A
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Rating current 40°C according to IEC 609473.13 A
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Rating current 45°C according to IEC 609473.07 A
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Rating current 5°C according to IEC 609473.55 A
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Rating current 50°C according to IEC 609473 A
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Rating current 55°C according to IEC 609472.91 A
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Rating current 60°C according to IEC 609472.81 A
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Rating current 65°C according to IEC 609472.71 A
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Rating current 70°C according to IEC 609472.61 A
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Breaking capacity on 1 pole for IT 400V NF 60947-23 kA
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Rated short circuit breaking capacity Icn under 230V AC according IEC60898-110 kA
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Rated short circuit breaking capacity Icn under 400V AC according IEC60898-110 kA
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Rated ultimate short-circuit breaking capacity Icu under 230V AC IEC 60947-250 kA
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Rated ultimate short-circuit breaking capacity Icu under 240V AC IEC 60947-250 kA
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Rated ultimate short-circuit breaking capacity Icu under 400V AC IEC 60947-225 kA
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Rated ultimate short-circuit breaking capacity Icu under 415V AC IEC 60947-225 kA
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Rated short circuit breaking capacity Icn under 240V AC according IEC 60898-110 kA
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Rated short circuit breaking capacity Icn under 415V AC according IEC 60898-110 kA
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Rated ultimate short-circuit breaking capacity Icu under 220V AC IEC 60947-250 kA
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Rated ultimate short-circuit breaking capacity Icu under 380V AC IEC 60947-225 kA
Current correction factors
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Correction factor of rating current for 2 devices placed side-by-side1
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Correction factor of rating current for 3 devices placed side-by-side0.95
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Correction factor of rating current for 4 and 5 devices placed side-by-side0.9
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Correction factor of rating current for 6 devices placed side-by-side0.85
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Correction factor of magnetic tripping with 100 Hz1.1
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Correction factor of magnetic tripping with 200 Hz1.2
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Correction factor of magnetic tripping with 400 Hz1.5
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Correction factor of magnetic tripping with 60 Hz1
Dimensions
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Depth of installed product70 mm
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Height of installed product83 mm
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Width of installed product52.5 mm
Frequency
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Frequency50 to 60 Hz
Power
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Maximum power loss per pole according to the product standard3 W
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Total power loss under IN6.6 W
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Power loss per pole at In2.21 W
Tripping
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Time of response when opening7 ms
Endurance
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Electric endurance in number of cycles4000
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Number of mechanical operations20000
Installation, mounting
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Type of top connection for modular deviceswith screw
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Tightening torque2,8Nm
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Type of top rail clip for modular devicesNA
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Type of bottom rail clip for modular devicesplastic
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Type of Bottom Connection for modular devicesBIconnect
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Top removability for modular devicesYes
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Bottom removability for modular devicesYes
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Suitable for flush-mountingYes
Connection
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Connection cross-section at output with screw, for flexible conductor1 / 25 mm²
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Connection cross-section at output with screw, for massive conductor1 / 35 mm²
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Connection cross-section for rigid conductor, upstream terminals with screws1 / 35 mm²
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Connection cross-section of the access with screws, with flexible conductor1 / 25 mm²
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Downstream cage clamp delivery statusopened
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Upstream cage clamp delivery statusopened
Equipment
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Can be accessorizedYes
Standards
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Standard textIEC 60947-2
Safety
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REACH conformNo
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RoHS conformYes
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Halogen freeNo
Use conditions
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Operating temperature-25…70 °C
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Degree of pollution according to IEC 60664 / IEC 60947-22
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Class of energy limitation I²t3
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Altitude2000 m
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Air humidity protectionfor all climates
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Storage/transport temperature-25…80 °C
temperatur
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Temperature of calibration50 °C
Downloads
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Product image
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ProductECDeclaration
EU Declaration of conformity for NRN303
Declaration
PDF689 KB
EU Declaration of conformity for NRN303
UKCA Declaration of Conformity
PDF653 KB
EU Declaration of conformity for NRN303
Declaration
PDF710 KB
EU Declaration of conformity for NRN303
EU Declaration of Conformity
PDF650 KB -
ProductEnvironmentProfile
Product environmental profile for NRN303
PDF432 KB -
ProductROHS
Pollutant guidelines for NRN303
RoHS declaration NRN303 (english)
PDF103 KB
More documentation
