Schneider-Electric
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49816
Fuse switch disconnector body ISFT - 3Poles 3 F - DIN NH1 - 250 A
Schneider Electric
Characteristics
Main
Range FuPact
Product name FuPacT ISFT
Device short name ISFT250
Product or component type Fuse-switch disconnector
Device application Distribution
Equipment protection, monitoring and control
Poles description 3P
Fuse type DIN
Fuse size NH1
Suitability for isolation Yes
Visible break Yes
[Ith] conventional free air thermal current 175 A ( 70 °C ) horizontal
175 A ( 70 °C ) vertical
188 A ( 65 °C ) horizontal
188 A ( 65 °C ) vertical
200 A ( 60 °C ) horizontal
200 A ( 60 °C ) vertical
213 A ( 55 °C ) horizontal
213 A ( 55 °C ) vertical
225 A ( 50 °C ) horizontal
225 A ( 50 °C ) vertical
238 A ( 45 °C ) horizontal
238 A ( 45 °C ) vertical
250 A ( 40 °C ) power dissipation per fuse: 23 W
250 A ( 40 °C ) horizontal
250 A ( 40 °C ) vertical
[Ithe] conventional enclosed thermal current 250 A at 40 °C, Power dissipation per fuse: 23 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: 250 A at 220/240 V AC 50/60 Hz
AC-21B: 250 A at 380/415 V AC 50/60 Hz
AC-21B: 250 A at 440/480 V AC 50/60 Hz
AC-21B: 250 A at 500 V AC 50/60 Hz
AC-21B: 250 A at 660/690 V AC 50/60 Hz
AC-22B: 250 A at 220/240 V AC 50/60 Hz
AC-22B: 250 A at 380/415 V AC 50/60 Hz
DC-21B: 250 A at 125 V DC (1 pole)
DC-21B: 250 A at 220 V DC (1 pole)
DC-21B: 250 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 1600 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 250 A 100 mm
Width 186 mm
Height 246 mm
Depth 110 mm
Standards IEC 60269-2-1
EN/IEC 60947-1
EN/IEC 60947-3
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
Package 1 Height 18 cm
Package 1 Width 22 cm
Package 1 Length 28 cm
Package 1 Weight 3.277 kg
Offer Sustainability
EU RoHS Directive Pro-active compliance (Product out of EU RoHS legal scope)
print EU RoHS Declaration
Contractual warranty
Warranty 18 months