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Schneider Electric 49581

MPN49581

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Switch-disconnector fuse body INFB 3 poles 3F - BS - 100 A- front handle

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

Specifications

49581 — Identification
Parameter	Value
Product name	Fupact INF
Product / component type	Switch-disconnector-fuse
Fuse type	BS
Poles	3P
Application	Protection
Product range / family	FuPact
Product range	INF100...160

49581 — Ratings
Parameter	Value
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)	DC-22A: 100 A at 500 V DC (4 poles in series) DC-23A: 100 A at 500 V DC (4 poles in series) AC-22A: 100 A at 220/240 V AC 50/60 Hz AC-22A: 100 A at 380/415 V AC 50/60 Hz AC-22A: 100 A at 440/480 V AC 50/60 Hz AC-22A: 100 A at 500/525 V AC 50/60 Hz AC-22A: 100 A at 660/690 V AC 50/60 Hz AC-23A: 100 A at 220/240 V AC 50/60 Hz AC-23A: 100 A at 380/415 V AC 50/60 Hz AC-23A: 100 A at 440/480 V AC 50/60 Hz AC-23A: 100 A at 500/525 V AC 50/60 Hz AC-23B: 100 A at 660/690 V AC 50/60 Hz DC-22A: 100 A at 125 V DC (2 poles in series) DC-22A: 100 A at 250 V DC (2 poles in series) DC-23A: 100 A at 125 V DC (2 poles in series) DC-23A: 100 A at 250 V DC (2 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 ( 40 °C ) power dissipation per fuse: 12 W 100 A ( 40 °C ) vertical 65 A ( 70 °C ) horizontal 69 A ( 65 °C ) horizontal 70 A ( 70 °C ) vertical 74 A ( 60 °C ) horizontal 75 A ( 65 °C ) vertical 78 A ( 55 °C ) horizontal 80 A ( 60 °C ) vertical 83 A ( 50 °C ) horizontal 85 A ( 55 °C ) vertical 87 A ( 45 °C ) horizontal 90 A ( 50 °C ) vertical 92 A ( 40 °C ) horizontal 95 A ( 45 °C ) vertical 96 A ( 35 °C ) horizontal
Conventional enclosed thermal current (Ithe)	100 A at 40 °C, Power dissipation per fuse: 12 W (300 mm x 350 mm x 200 mm)
Network frequency	50/60 Hz
Network type (AC/DC)	DC AC
Maximum power	30 kW at 220/240 V AC 50/60 Hz 45 kW at 380/400 V AC 50/60 Hz 55 kW at 415 V AC 50/60 Hz 60 kW at 500/525 V AC 50/60 Hz 90 kW at 660/690 V AC 50/60 Hz

49581 — Protection & Breaking
Parameter	Value
Suitable for isolation	Yes
Contact operation	Double-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 indicator	Yes
Protected poles	3f

49581 — Performance
Parameter	Value
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 type	Without handle
Rated duty	Uninterrupted
Intermittent duty class	Class 120 - 60 %

49581 — 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

49581 — Mechanical
Parameter	Value
Mounting support	DIN rail, with specific accessories Mounting plate
Fuse size	A2 A4 A3
Width	180 mm
Depth	130 mm
Height	140 mm
Tightening torque	15...22 N.m for terminal
Rotary handle mounting style	Extended Direct