Skip to main content
Schneider Electric 49525 — Fuses & Fuse Holders

Schneider Electric 49525

MPN49525
Obsolete

Switch-disconnector fuse body INFC 4 poles 3F - NFC - 125 A- front handle

$190.45Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

49525 — Identification
ParameterValue
Product nameFupact INF
Product / component typeSwitch-disconnector-fuse
Fuse typeNFC
Poles4P
ApplicationProtection
Product range / familyFuPact
Product rangeINF100...160
49525 — Ratings
ParameterValue
Rated operational voltage (Ue)690 V AC 50/60 Hz 690 V AC 50/60 Hz AC-20 690 V DC DC-20 500 V DC
Rated operational current (Ie)AC-22A: 125 A at 220/240 V AC 50/60 Hz AC-22A: 125 A at 380/415 V AC 50/60 Hz AC-22A: 125 A at 440/480 V AC 50/60 Hz AC-22A: 125 A at 500/525 V AC 50/60 Hz AC-22A: 125 A at 660/690 V AC 50/60 Hz AC-23A: 125 A at 220/240 V AC 50/60 Hz AC-23A: 125 A at 380/415 V AC 50/60 Hz AC-23A: 125 A at 440/480 V AC 50/60 Hz AC-23A: 125 A at 500/525 V AC 50/60 Hz AC-23B: 125 A at 660/690 V AC 50/60 Hz DC-22A: 125 A at 125 V DC (2 poles in series) DC-22A: 125 A at 250 V DC (2 poles in series) DC-22A: 125 A at 500 V DC (4 poles in series) DC-23A: 125 A at 125 V DC (2 poles in series) DC-23A: 125 A at 250 V DC (2 poles in series) DC-23A: 125 A at 500 V DC (4 poles in series)
Rated insulation voltage (Ui)1000 V AC 50/60 Hz 1000 V DC
Rated impulse withstand voltage (Uimp)12 kV
Conventional free-air thermal current (Ith)100 A ( 60 °C ) vertical 103 A ( 50 °C ) horizontal 106 A ( 55 °C ) vertical 109 A ( 45 °C ) horizontal 113 A ( 50 °C ) vertical 115 A ( 40 °C ) horizontal 119 A ( 45 °C ) vertical 121 A ( 35 °C ) horizontal 125 A ( 40 °C ) power dissipation per fuse: 12 W 125 A ( 40 °C ) vertical 81 A ( 70 °C ) horizontal 86 A ( 65 °C ) horizontal 88 A ( 70 °C ) vertical 92 A ( 60 °C ) horizontal 94 A ( 65 °C ) vertical 97 A ( 55 °C ) horizontal
Conventional enclosed thermal current (Ithe)125 A at 40 °C, Power dissipation per fuse: 12 W (300 mm x 350 mm x 200 mm)
Network frequency50/60 Hz
Network type (AC/DC)DC AC
Maximum power110 kW at 660/690 V AC 50/60 Hz 37 kW at 220/240 V AC 50/60 Hz 60 kW at 380/400 V AC 50/60 Hz 60 kW at 415 V AC 50/60 Hz 80 kW at 500/525 V AC 50/60 Hz
49525 — Protection & Breaking
ParameterValue
Suitable for isolationYes
Contact operationDouble-break
Rated short-time withstand current (Icw)5 kA for 1 s 0.95 kA for 30 s 1.15 kA for 20 s 2.9 kA for 3 s
Rated making & breaking capacity (Im)Icm 105 kA at 690 V conforming to DIN (with fuse) Icm 176 kA at 415 V conforming to BS (with fuse) Icm 220 kA at 500 V conforming to DIN (with fuse) Icn 100 kA at 500 V conforming to DIN (with fuse) Icn 50 kA at 690 V conforming to DIN (with fuse) Icn 80 kA at 415 V conforming to BS (with fuse) Icm 15 kA at 690 V (without fuse) Icm 22 kA at 415 V (without fuse) Icm 22 kA at 500 V (without fuse)
Contact position indicatorYes
Protected poles3f
49525 — Performance
ParameterValue
Mechanical durability (cycles)10000 cycles
Electrical durability (cycles)AC-22A: 1500 cycles 500 V AC 50/60 Hz AC-22A: 1500 cycles 690 V AC 50/60 Hz AC-23A: 1500 cycles 500 V AC 50/60 Hz AC-23A: 1500 cycles 690 V AC 50/60 Hz
Control typeWithout handle
Rated dutyUninterrupted
Intermittent duty classClass 120 - 60 %
49525 — Environmental
ParameterValue
Operating ambient temperature-25...70 °C
Storage ambient temperature-50...85 °C
IP protection ratingIP20 conforming to IEC 60529 IP65 conforming to IEC 60529
IK impact protection ratingIK07 conforming to EN 50102 IK10 conforming to EN 50102
Pollution degree3
49525 — Mechanical
ParameterValue
Mounting supportDIN rail, with specific accessories Mounting plate
Fuse size22 x 58 mm
Width215 mm
Depth130 mm
Height140 mm
Tightening torque15...22 N.m for terminal
Rotary handle mounting styleExtended Direct
49525 — Approvals
ParameterValue
Standards / approvalsEN/IEC 60947-5 EN/IEC 60947-1 EN/IEC 60269-4 EN/IEC 60269-1 EN/IEC 60947-3
49525 — Specifications
ParameterValue
Device short nameINFC125
MPN
49525