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Datasheet generated 2026-10-07
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Schneider Electric ISFL1250 direct 185mm busbar screws M12 - fuse switch-disconnector LV480876

Schneider Electric · Switchgear & Protection · Fuse Switch-Disconnectors · France · se.com
Part Number
LV480876  ·  HS 8536.50
Schneider Electric ISFL1250 direct 185mm busbar screws M12 - fuse switch-disconnector LV480876

Schneider Electric LV480876 Fuse,l, ISFL1250 m,Fuse,overv,.

Technical Specifications

Manufacturer part number (MPN)LV480876
EAN / GTIN3606480341342
Sales unitpcs
RangeFuPacT
Product nameFuPacT ISFL
Device short nameISFL1250
Product or component typeFuse-switch disconnector
Device applicationEquipment protection, monitoring and control; Distribution
Signalling functionIntegrated fuse monitor
Poles description1 x 3P switchable
Number of fuse carriers3
Fuse typeDIN
Fuse sizeNH3
Suitability for isolationYes conforming to EN/IEC 60947-3
Visible breakYes
Contact position indicatorYes
[Ith] conventional free air thermal current1250 A ( 40 °C ) power dissipation per fuse: 48 W
[Ithe] conventional enclosed thermal current1250 A at 40 °C
Power dissipation per fuse48 W
Maximum power dissipation per pole85 W
[Ue] rated operational voltage690 V AC 50/60 Hz; 800 V AC 50/60 Hz AC-20; 800 V DC DC-20
[Ui] rated insulation voltage1000 V AC 50/60 Hz; 1000 V DC
[Uimp] rated impulse withstand voltage8 kV
[Ie] rated operational currentAC-21B: 1250 A at 220/240 V AC 50/60 Hz; AC-21B: 1250 A at 380/415 V AC 50/60 Hz; AC-21B: 1250 A at 440/480 V AC 50/60 Hz; AC-21B: 1250 A at 500 V AC 50/60 Hz; AC-21B: 1250 A at 660/690 V AC 50/60 Hz; AC-22B: 1250 A at 220/240 V AC 50/60 Hz; AC-22B: 1250 A at 380/415 V AC 50/60 Hz; AC-22B: 1250 A at 440/480 V AC 50/60 Hz; AC-22B: 1250 A at 500 V AC 50/60 Hz
[Iq] Breaking capacity with fuses (kA RMS)80 kA at 415 V (AC); 80 kA at 500 V (AC); 80 kA at 690 V (AC)
[Icw] rated short-time withstand current25 kA for 1 s
[Icm] Rated short-circuit making capacity52.5 kA at 690 V
Rated dutyUninterrupted
Control typeFuse carriers handle
Provision for padlocking3 padlocks
Mounting positionVertical
mounting modeFixed
Mounting supportBusbars
Mounting locationOne above the other
Contact operationSingle-break
Mechanical durability800 cycles
Electrical durabilityAC-21B: 200 cycles 690 V AC 50/60 Hz; AC-22B: 200 cycles 500 V AC 50/60 Hz; AC-23B: 200 cycles 415 V AC 50/60 Hz
Connections - terminalsScrew connection downstream M12 1250 A; Direct connection upstream 1250 A 185 mm
Tightening torque40 N.m
Width200 mm
Height834 mm
Depth190 mm
Product weight15.2 kg
StandardsEN/IEC 60947-1; EN/IEC 60947-3
Product certificationsCE; CCC; EAC
Electrical shock protection classClass II front face
IP degree of protectionIP20 conforming to IEC 60529
IK degree of protectionIK07 conforming to EN 50102
Pollution degree3 conforming to IEC 60947
Ambient air temperature for operation-20…70 °C
Ambient air temperature for storage-50…85 °C
Unit Type of Package 1PCE
Number of Units in Package 11
Package 1 Height29.000 cm
Package 1 Width21.500 cm
Package 1 Length116.000 cm
Package 1 Weight14.500 kg
Unit Type of Package 2P12
Number of Units in Package 26
Package 2 Height80.000 cm
Package 2 Width80.000 cm
Package 2 Length120.000 cm
Package 2 Weight99.000 kg
Warranty (in months)18
Rated permanent current Iu1250 A
Number of poles3
Conditioned rated short-circuit current Iq80 kA
Degree of protection (IP), front sideIP20
Suitable for fusesNH3
Type of electrical connection of main circuitBolt connection
Type of control elementRocker lever
Rated short-time withstand current lcw25 kA
Suitable for floor mountingNo
Suitable for front mountingYes
Max. rated operation voltage Ue AC690 V
Position control elementFront side
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents