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NDN420A

NDN420A MCB 4P 10kA D-20A 4M

NDN420A
NDN420A MCB 4P 10kA D-20A 4M
NDN420A MCB 4P 10kA D-20A 4M

MCB 4P 10kA D-20A 4M

Cat ref.:NDN420A
EAN No.:

3250614619403

This product is now obsolete. However, this page remains available for information purposes. Please contact your wholesaler in order to find appropriate replacement products. Obsolete reference: NDN420A Replacement reference:
Technical Characteristics
Neutral position:without neutral
Number of protected poles:4
Number of poles:4 P
Type of pole:4 P
Curve:D
Bottom connection alignement for modular devices:Aligned terminal
Top connection alignement for modular devices:Aligned terminal
Type of supply voltage:AC
Rated operational voltage Ue:415 V
Minimum threshold voltage (Ue min):12 V
Rated insulation voltage:500 V
Max operating voltage:440 V
Rated impulse withstand voltage:6000 V
Rated ultimate short-circuit breaking capacity Icu under 400V AC IEC 60947-2:15 kA
Rated short circuit breaking capacity Icn under 230V AC according IEC60898-1:10 kA
Rated short circuit breaking capacity Icn under 400V AC according IEC60898-1:10 kA
Rated short circuit breaking capacity Icn under 240V AC according IEC 60898-1:10 kA
Rated short circuit breaking capacity Icn under 380V AC according IEC 60898-1:10 kA
Rated short circuit breaking capacity Icn under 415V AC according IEC 60898-1:10 kA
Rated service breaking capacity Ics AC according IEC 60898-1:7,5 kA
Rated service breaking capacity Ics under 220V AC according IEC 60947-2:15 kA
Rated service breaking capacity Ics under 230V AC according IEC 60947-2:15 kA
Rated service breaking capacity Ics under 240V AC according IEC 60947-2:15 kA
Rated service breaking capacity Ics under 380V AC according IEC 60947-2:7,5 kA
Rated service breaking capacity Ics under 400V AC according IEC 60947-2:7,5 kA
Rated service breaking capacity Ics under 415V AC according IEC 60947-2:7,5 kA
Rated service breaking capacity Ics under 220V AC according IEC 60898-1:7,5 kA
Rated service breaking capacity Ics under 230V AC according IEC 60898-1:7,5 kA
Rated service breaking capacity Ics under 240V AC according IEC 60898-1:7,5 kA
Rated service breaking capacity Ics under 380V AC according IEC 60898-1:7,5 kA
Rated service breaking capacity Ics under 400V AC according IEC 60898-1:7,5 kA
Rated service breaking capacity Ics under 415V AC according IEC 60898-1:7,5 kA
Rated ultimate short-circuit breaking capacity Icu under 220V AC IEC 60947-2:30 kA
Rated ultimate short-circuit breaking capacity Icu under 230V AC IEC 60947-2:30 kA
Rated ultimate short-circuit breaking capacity Icu under 240V AC IEC 60947-2:30 kA
Rated ultimate short-circuit breaking capacity Icu under 380V AC IEC 60947-2:15 kA
Rated ultimate short-circuit breaking capacity Icu under 415V AC IEC 60947-2:15 kA
Magnetic regulating currrent at 40° C:10/14,4 In
min/maxi threshold value of the DC magnetic operation:15/30 In
min/maxi threshold value of the AC thermal operation:1,13/1,45 In
min/maxi threshold value of the DC thermal operation:1,13/1,45 In
Rating current -15°C:23,98 A
Rating current -20°C:24,38 A
Rating current 0°C:22,73 A
Rating current 10°C:21,86 A
Rating current -10°C:23,57 A
Rating current 25°C:20,48 A
Rating current -25°C:24,78 A
Rating current 30°C:20 A
Rating current 35°C:19,48 A
Rating current 40°C:18,94 A
Rating current 45°C:18,39 A
Rating current 5°C:22,3 A
Rating current -5°C:23,16 A
Rating current 50°C:17,81 A
Rating current 55°C:17,22 A
Rating current 60°C:16,61 A
Rating current 65°C:15,98 A
Rating current 70°C:15,32 A
Rating current 0°C according to IEC 60947-2:25,33 A
Rating current 10°C according to IEC 60947-2:24,36 A
Rating current -10°C according to IEC 60947-2:26,27 A
Rating current 150°C according to IEC 60947-2:23,86 A
Rating current -15°C according to IEC 60947-2:26,72 A
Rating current 20°C according to IEC 60947-2:23,34 A
Rating current -20°C according to IEC 60947-2:27,17 A
Rating current 25°C according to IEC 60947-2:22,82 A
Rating current -25°C according to IEC 60947-2:27,61 A
Rating current 30°C according to IEC 60947-2:22,29 A
Rating current 35°C according to IEC 60947-2:21,74 A
Rating current 40°C according to IEC 60947-2:21,17 A
Rating current 45°C according to IEC 60947-2:20,6 A
Rating current 5°C according to IEC 60947-2:24,85 A
Rating current -5°C according to IEC 60947-2:25,8 A
Rating current 50°C according to IEC 60947-2:20 A
Rating current 55°C according to IEC 60947-2:19,34 A
Rating current 60°C according to IEC 60947-2:18,65 A
Rating current 65°C according to IEC 60947-2:17,94 A
Rating current 70°C according to IEC 60947-2:17,2 A
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:1,1
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:0,95
Correction factor of rating current for 4 and 5 devices placed side-by-side:0,9
Correction factor of rating current for 6 devices placed side-by-side:0,85
Power loss per pole at In:2,74 W
Maximum power loss per pole according to the product standard:4,5 W
Total power loss under IN:10,87 W
Electric endurance in number of cycles:4000
Number of mechanical operations:20000
Depth of installed product:70 mm
Height of installed product:83 mm
Width of installed product:70 mm
Type of top connection for modular devices:with screw
Tightening torque:2,8Nm
Type of bottom rail clip for modular devices:plastic
Type of top rail clip for modular devices:NA
Type of Bottom Connection for modular devices:BIconnect
Bottom removability for modular devices:yes
Top removability for modular devices:yes
Suitable for flush-mounting:yes
Upstream cage clamp delivery status:opened
Downstream cage clamp delivery status:opened
Connection cross-section at output with screw, for flexible conductor:1/25 mm²
Connection cross-section of the access with screws, with flexible conductor:1/25 mm²
Connection cross-section at output with screw, for massive conductor:1/35 mm²
Connection cross-section for rigid conductor, upstream terminals with screws:1/35 mm²
Can be accessorized:yes
Standard text:EN 60898-1, AS/NZS 60898-1
European directive WEEE:concerned
Protection index IP:IP20
Degree of pollution according to IEC 60664 / IEC 60947-2:2
Altitude:2000 m
Storage temperature:-25 to 80 °C
Temperature of calibration:30 °C
  • NDN420A
    NDN420A MCB 4P 10kA D-20A 4M
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    NDN420A MCB 4P 10kA D-20A 4M
    Similar image
    (Picture shows NDN440A)
  • NDN420A MCB 4P 10kA D-20A 4M
  • NDN420A MCB 4P 10kA D-20A 4M
Data is subject to errors and technical modifications.