NDN432A

MCB 4P 10kA D-32A 4M

Cat ref.:	NDN432A
EAN No.:	3250614619427

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Technical Characteristics

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Architecture

Neutral position:	without neutral
Number of protected poles:	4
Number of poles:	4 P
Type of pole:	4 P
Curve:	D

Connectivity

Bottom connection alignement for modular devices:	Aligned terminal
Top connection alignement for modular devices:	Aligned terminal

Main electrical features

Type of supply voltage:	AC
Rated operational voltage Ue:	415 V

Voltage

Minimum threshold voltage (Ue min):	12 V
Rated insulation voltage:	500 V
Max operating voltage:	440 V
Rated impulse withstand voltage:	6000 V

Electric current

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

Electric current / temperature

Rating current -15°C:	37,86 A
Rating current -20°C:	38,45 A
Rating current 0°C:	36,01 A
Rating current 10°C:	34,73 A
Rating current -10°C:	37,25 A
Rating current 25°C:	32,7 A
Rating current -25°C:	39,04 A
Rating current 30°C:	32 A
Rating current 35°C:	31,26 A
Rating current 40°C:	30,5 A
Rating current 45°C:	29,72 A
Rating current 5°C:	35,37 A
Rating current -5°C:	36,64 A
Rating current 50°C:	28,92 A
Rating current 55°C:	28,1 A
Rating current 60°C:	27,26 A
Rating current 65°C:	26,38 A
Rating current 70°C:	25,48 A
Rating current 0°C according to IEC 60947-2:	39,71 A
Rating current 10°C according to IEC 60947-2:	38,29 A
Rating current -10°C according to IEC 60947-2:	41,08 A
Rating current 150°C according to IEC 60947-2:	37,56 A
Rating current -15°C according to IEC 60947-2:	41,74 A
Rating current 20°C according to IEC 60947-2:	36,82 A
Rating current -20°C according to IEC 60947-2:	42,4 A
Rating current 25°C according to IEC 60947-2:	36,06 A
Rating current -25°C according to IEC 60947-2:	43,05 A
Rating current 30°C according to IEC 60947-2:	35,29 A
Rating current 35°C according to IEC 60947-2:	34,49 A
Rating current 40°C according to IEC 60947-2:	33,68 A
Rating current 45°C according to IEC 60947-2:	32,85 A
Rating current 5°C according to IEC 60947-2:	39,01 A
Rating current -5°C according to IEC 60947-2:	40,4 A
Rating current 50°C according to IEC 60947-2:	32 A
Rating current 55°C according to IEC 60947-2:	31,09 A
Rating current 60°C according to IEC 60947-2:	30,16 A
Rating current 65°C according to IEC 60947-2:	29,19 A
Rating current 70°C according to IEC 60947-2:	28,19 A

Current correction factors

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

Power loss per pole at In:	4,42 W
Maximum power loss per pole according to the product standard:	6 W
Total power loss under IN:	16,5 W

Endurance

Electric endurance in number of cycles:	4000
Number of mechanical operations:	20000

Dimensions

Depth of installed product:	70 mm
Height of installed product:	83 mm
Width of installed product:	70 mm

Installation, mounting

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

Connection

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

Equipment

Can be accessorized:

yes

Standards