BOM / RFQ

Schneider Electric 49553

MPN49553

Obsolete

Switch-disconnector fuse body INFD 3 poles 3F - DIN - 400 A- front handle

$437.88Ref. price · indicative, final on quote

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Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

49553 — Identification
Parameter	Value
Product name	Fupact INF
Product / component type	Switch-disconnector-fuse
Fuse type	DIN
Poles	3P
Application	Protection
Product range / family	FuPact
Product range	INF200...800

49553 — Ratings
Parameter	Value
Rated operational voltage (Ue)	690 V AC 50/60 Hz 1000 V AC 50/60 Hz AC-20 1000 V DC DC-20 750 V DC
Rated operational current (Ie)	AC-22A: 400 A at 220/240 V AC 50/60 Hz AC-22A: 400 A at 380/415 V AC 50/60 Hz AC-22A: 400 A at 440/480 V AC 50/60 Hz AC-22A: 400 A at 500/525 V AC 50/60 Hz AC-22A: 400 A at 660/690 V AC 50/60 Hz AC-23A: 400 A at 220/240 V AC 50/60 Hz AC-23A: 400 A at 380/415 V AC 50/60 Hz AC-23A: 400 A at 440/480 V AC 50/60 Hz AC-23A: 400 A at 500/525 V AC 50/60 Hz AC-23A: 400 A at 660/690 V AC 50/60 Hz DC-22A: 400 A at 125 V DC (2 poles in series) DC-22A: 400 A at 250 V DC (2 poles in series) DC-22A: 400 A at 500 V DC (3 poles in series) DC-22A: 400 A at 750 V DC (3 poles in series) DC-23A: 400 A at 125 V DC (2 poles in series) DC-23A: 400 A at 250 V DC (2 poles in series) DC-23A: 400 A at 500 V DC (3 poles in series) DC-23A: 400 A at 750 V DC (3 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)	268 A ( 70 °C ) horizontal 277 A ( 65 °C ) horizontal 280 A ( 70 °C ) vertical 295 A ( 60 °C ) horizontal 300 A ( 65 °C ) vertical 313 A ( 55 °C ) horizontal 320 A ( 60 °C ) vertical 331 A ( 50 °C ) horizontal 340 A ( 55 °C ) vertical 350 A ( 45 °C ) horizontal 360 A ( 50 °C ) vertical 368 A ( 40 °C ) horizontal 380 A ( 45 °C ) vertical 386 A ( 35 °C ) horizontal 400 A ( 40 °C ) power dissipation per fuse: 45 W 400 A ( 40 °C ) vertical
Conventional enclosed thermal current (Ithe)	360 A at 40 °C, Power dissipation per fuse: 37 W (500 mm x 400 mm x 250 mm) 400 A at 40 °C, Power dissipation per fuse: 34 W (500 mm x 400 mm x 250 mm)
Network frequency	50/60 Hz
Network type (AC/DC)	DC AC
Maximum power	110 kW at 220/240 V AC 50/60 Hz 210 kW at 380/400 V AC 50/60 Hz 230 kW at 415 V AC 50/60 Hz 280 kW at 500/525 V AC 50/60 Hz 330 kW at 660/690 V AC 50/60 Hz

49553 — Protection & Breaking
Parameter	Value
Suitable for isolation	Yes
Contact operation	Double-break
Rated short-time withstand current (Icw)	10 kA for 1 s 1.85 kA for 30 s 2.25 kA for 20 s 5.8 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 35 kA at 690 V (without fuse) Icm 40 kA at 415 V (without fuse) Icm 40 kA at 500 V (without fuse)
Contact position indicator	Yes
Protected poles	3f

49553 — Performance
Parameter	Value
Mechanical durability (cycles)	8000 cycles
Electrical durability (cycles)	AC-22A: 1000 cycles 500 V AC 50/60 Hz AC-22A: 1000 cycles 690 V AC 50/60 Hz AC-23A: 1000 cycles 500 V AC 50/60 Hz AC-23A: 1000 cycles 690 V AC 50/60 Hz
Control type	Rotary handle
Rated duty	Uninterrupted
Intermittent duty class	Class 120 - 60 %

49553 — Environmental
Parameter	Value
Operating ambient temperature	-25...70 °C
Storage ambient temperature	-50...85 °C
IP protection rating	IP20 conforming to IEC 60529 IP65 conforming to IEC 60529
IK impact protection rating	IK07 conforming to EN 50102 IK10 conforming to EN 50102
Pollution degree	3

49553 — Mechanical
Parameter	Value
Mounting support	Mounting plate
Fuse size	NH1 NH2 NH0
Width	302 mm
Depth	206 mm
Height	180 mm
Tightening torque	30...44 N.m for terminal
Rotary handle mounting style	Extended Direct