This Application will be decommissioned as of January 7th 2025

49820 |
Schneider-Electric
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49820
fuse switch disconnector, Fupact ISFT400, 400 A, fixed front connected, busbars mounting with turnable hooks, 3 poles
Schneider Electric
Characteristics
Main
Range FuPact
Product name FuPacT ISFT
Device short name ISFT400
Product or component type Fuse-switch disconnector
Device application Distribution
Equipment protection, monitoring and control
Poles description 3P
Number of fuse carriers 3
Fuse type DIN
Fuse size NH2
Suitability for isolation Yes
Visible break Yes
[Ith] conventional free air thermal current 280 A ( 70 °C ) horizontal
280 A ( 70 °C ) vertical
300 A ( 65 °C ) horizontal
300 A ( 65 °C ) vertical
320 A ( 60 °C ) horizontal
320 A ( 60 °C ) vertical
340 A ( 55 °C ) horizontal
340 A ( 55 °C ) vertical
360 A ( 50 °C ) horizontal
360 A ( 50 °C ) vertical
380 A ( 45 °C ) horizontal
380 A ( 45 °C ) vertical
400 A ( 40 °C ) power dissipation per fuse: 34 W
400 A ( 40 °C ) horizontal
400 A ( 40 °C ) vertical
[Ithe] conventional enclosed thermal current 400 A at 40 °C, Power dissipation per fuse: 34 W
[Ue] rated operational voltage 440 V DC
690 V AC 50/60 Hz
800 V AC 50/60 Hz AC-20
800 V DC DC-20
[Ui] rated insulation voltage 800 V AC 50/60 Hz
800 V DC
[Uimp] rated impulse withstand voltage 8 kV
[Ie] rated operational current AC-21B: 400 A at 220/240 V AC 50/60 Hz
AC-21B: 400 A at 380/415 V AC 50/60 Hz
AC-21B: 400 A at 440/480 V AC 50/60 Hz
AC-21B: 400 A at 500 V AC 50/60 Hz
AC-21B: 400 A at 660/690 V AC 50/60 Hz
AC-22B: 400 A at 220/240 V AC 50/60 Hz
AC-22B: 400 A at 380/415 V AC 50/60 Hz
DC-21B: 400 A at 125 V DC (1 pole)
DC-21B: 400 A at 220 V DC (1 pole)
DC-21B: 400 A at 440 V DC (2 poles in series)
Complementary
[Icm] Rated short-circuit making capacity Icm 105 kA at 500 V
Icm 105 kA at 690 V
Icn 50 kA at 500 V
Icn 50 kA at 690 V
Icm 105 kA at 415 V
Icn 50 kA at 415 V
Rated duty Uninterrupted
Control type Fuse carriers handle
Provision for padlocking 3 padlocks
Mounting support Busbars
Mounting location Side by side
Contact operation Single-break
Mechanical durability 1000 cycles
Electrical durability AC-21B: 200 cycles 690 V AC 50/60 Hz
AC-22B: 200 cycles 415 V AC 50/60 Hz
Connections - terminals Hook-on 400 A 60 mm
Width 210 mm
Height 271 mm
Depth 127 mm
Standards EN/IEC 60947-1
EN/IEC 60947-3
IEC 60269-2-1
Product certifications KEMA-KEUR
Environment
IP degree of protection IP20 conforming to IEC 60529
IK degree of protection IK07 conforming to EN 50102
Pollution degree 3 conforming to IEC 60947
Ambient air temperature for operation -25…70 °C
Ambient air temperature for storage -50…85 °C
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Offer Sustainability
EU RoHS Directive Compliant
print EU RoHS Declaration
Toxic heavy metal free Yes
Mercury free Yes
China RoHS Regulation
print China RoHS declaration
RoHS exemption information
print Yes
Contractual warranty
Warranty 18 months