MCB 3P 10kA/15kA D-25A 3M NDN325A
EAN
3250614619267
Packaging
4 PCEs
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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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CurveD
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 Ue400 V
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Type of supply voltageAC
Voltage
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Rated insulation voltage500 V
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Rated impulse withstand voltage6000 V
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Minimum threshold voltage (Ue min)12 V
Electric current
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Rated current25 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 currrent10 / 14.4 In
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min/maxi threshold value of the DC magnetic operation15 / 30 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 6094735.44 A
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Rating current -15°C according to IEC 6094735.87 A
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Rating current -20°C according to IEC 6094736.3 A
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Rating current -25°C according to IEC 6094736.73 A
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Rating current -5°C according to IEC 6094735.01 A
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Rating current 0°C according to IEC 6094734.58 A
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Rating current 10°C according to IEC 6094733.72 A
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Rating current 15°C according to IEC 6094733.29 A
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Rating current 20°C according to IEC 6094732.86 A
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Rating current 25°C according to IEC 6094732.43 A
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Rating current 30°C according to IEC 6094732 A
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Rating current 35°C according to IEC 6094730.25 A
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Rating current 40°C according to IEC 6094728.5 A
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Rating current 45°C according to IEC 6094726.75 A
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Rating current 5°C according to IEC 6094734.15 A
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Rating current 50°C according to IEC 6094725 A
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Rating current 55°C according to IEC 6094723.25 A
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Rating current 60°C according to IEC 6094721.5 A
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Rating current 65°C according to IEC 6094719.75 A
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Rating current 70°C according to IEC 6094718 A
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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 60947-230 kA
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Rated ultimate short-circuit breaking capacity Icu under 240V AC IEC 60947-230 kA
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Rated ultimate short-circuit breaking capacity Icu under 400V AC IEC 60947-215 kA
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Rated ultimate short-circuit breaking capacity Icu under 415V AC IEC 60947-215 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 60947-230 kA
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Rated ultimate short-circuit breaking capacity Icu under 380V AC IEC 60947-215 kA
Electric current / temperature
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Rating current -25°C32.08 A
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Rating current -20°C31.44 A
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Rating current -15°C30.79 A
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Rating current -10°C30.15 A
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Rating current -5°C29.51 A
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Rating current 0°C28.86 A
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Rating current 5°C28.22 A
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Rating current 10°C27.58 A
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Rating current 25°C25.64 A
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Rating current 30°C25 A
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Rating current 35°C24.36 A
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Rating current 40°C23.71 A
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Rating current 45°C23.07 A
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Rating current 50°C22.43 A
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Rating current 55°C21.78 A
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Rating current 60°C21.14 A
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Rating current 65°C20.49 A
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Rating current 70°C19.85 A
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 Hz1.1
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 standard4.5 W
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Total power loss under IN11 W
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Power loss per pole at In3.73 W
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 textEN 60898-1 ; IEC 60947-2
Safety
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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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Altitude2000 m
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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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User brochure
performa™ Brochure
PDF11 MB -
ProductDataSheet
NDNxxxC Product Data and Technical Specification
PDF92 KBUK_PD_TDS_TransformerMotorprotection.pdf
PDF204 KB -
ProductLicence
Licence for ITALY
PDF519 KBLicence for UNITED_KINGDOM
PDF243 KB -
ProductECDeclaration
Declaration
PDF689 KBDeclaration
PDF710 KBDeclaration
PDF786 KBDeclaration
PDF716 KBEU Declaration of Conformity
PDF650 KBUKCA Declaration of Conformity
PDF653 KB -
ProductEnvironmentProfile
Product environmental profile for NDN325A
PDF432 KB
More documentation