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Schneider Electric 49592

MPN49592

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Switch-disconnector fuse body INFB 4 poles 3F - BS - 250 A- lateral handle

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

Specifications

49592 — Identification
Parameter	Value
Product name	Fupact INF
Product / component type	Switch-disconnector-fuse
Fuse type	BS
Poles	4P
Application	Protection
Product range / family	FuPact
Product range	INF200...800

49592 — 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: 250 A at 220/240 V AC 50/60 Hz AC-22A: 250 A at 380/415 V AC 50/60 Hz AC-22A: 250 A at 440/480 V AC 50/60 Hz AC-22A: 250 A at 500/525 V AC 50/60 Hz AC-22A: 250 A at 660/690 V AC 50/60 Hz AC-23A: 250 A at 220/240 V AC 50/60 Hz AC-23A: 250 A at 380/415 V AC 50/60 Hz AC-23A: 250 A at 440/480 V AC 50/60 Hz AC-23A: 250 A at 500/525 V AC 50/60 Hz AC-23A: 250 A at 660/690 V AC 50/60 Hz DC-22A: 250 A at 125 V DC (2 poles in series) DC-22A: 250 A at 250 V DC (2 poles in series) DC-22A: 250 A at 500 V DC (3 poles in series) DC-22A: 250 A at 750 V DC (3 poles in series) DC-23A: 250 A at 125 V DC (2 poles in series) DC-23A: 250 A at 250 V DC (2 poles in series) DC-23A: 250 A at 500 V DC (3 poles in series) DC-23A: 250 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)	161 A ( 70 °C ) horizontal 172 A ( 65 °C ) horizontal 175 A ( 70 °C ) vertical 184 A ( 60 °C ) horizontal 187 A ( 65 °C ) vertical 195 A ( 55 °C ) horizontal 200 A ( 60 °C ) vertical 207 A ( 50 °C ) horizontal 212 A ( 55 °C ) vertical 218 A ( 45 °C ) horizontal 225 A ( 50 °C ) vertical 230 A ( 40 °C ) horizontal 237 A ( 45 °C ) vertical 242 A ( 35 °C ) horizontal 250 A ( 40 °C ) power dissipation per fuse: 32 W 250 A ( 40 °C ) vertical
Conventional enclosed thermal current (Ithe)	230 A at 40 °C, Power dissipation per fuse: 27 W (600 mm x 350 mm x 300 mm) 250 A at 40 °C, Power dissipation per fuse: 23 W (600 mm x 350 mm x 300 mm)
Network frequency	50/60 Hz
Network type (AC/DC)	DC AC
Maximum power	132 kW at 380/400 V AC 50/60 Hz 140 kW at 415 V AC 50/60 Hz 170 kW at 500/525 V AC 50/60 Hz 230 kW at 660/690 V AC 50/60 Hz 70 kW at 220/240 V AC 50/60 Hz

49592 — Protection & Breaking
Parameter	Value
Suitable for isolation	Yes
Contact operation	Double-break
Rated short-time withstand current (Icw)	8 kA for 1 s 1.5 kA for 30 s 1.8 kA for 20 s 4.65 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

49592 — 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 %

49592 — 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

49592 — Mechanical
Parameter	Value
Mounting support	Mounting plate
Fuse size	B2 B1 B3
Width	340 mm
Depth	199 mm
Height	232 mm
Tightening torque	30...44 N.m for terminal
Rotary handle mounting style	Extended