BOM / RFQ

Schneider Electric 49840 — Fuses & Fuse Holders

Schneider Electric 49840

MPN49840

Obsolete

fuse switch disconnector body ISFL 3P 3 F - DIN NH - 160 A

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Schneider Electric 49840 datasheet (PDF)

Schneider Electric 49840 datasheet (PDF)

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

Specifications

49840 — Identification
Parameter	Value
Product name	FuPacT ISFL
Product / component type	Fuse-switch disconnector
Fuse type	DIN
Poles	1 x 3P switchable
Application	Protection
Product range / family	FuPact

49840 — Ratings
Parameter	Value
Rated operational voltage (Ue)	440 V DC 690 V AC 50/60 Hz 800 V AC 50/60 Hz AC-20 800 V DC DC-20
Rated operational current (Ie)	AC-21B: 100 A at 660/690 V AC 50/60 Hz AC-21B: 160 A at 220/240 V AC 50/60 Hz AC-21B: 160 A at 380/415 V AC 50/60 Hz AC-21B: 160 A at 440/480 V AC 50/60 Hz AC-21B: 160 A at 500 V AC 50/60 Hz AC-22B: 160 A at 220/240 V AC 50/60 Hz AC-22B: 160 A at 380/415 V AC 50/60 Hz
Rated insulation voltage (Ui)	800 V AC 50/60 Hz 800 V DC
Rated impulse withstand voltage (Uimp)	8 kV
Conventional free-air thermal current (Ith)	112 A ( 70 °C ) horizontal 112 A ( 70 °C ) vertical 120 A ( 65 °C ) horizontal 120 A ( 65 °C ) vertical 128 A ( 60 °C ) horizontal 128 A ( 60 °C ) vertical 136 A ( 55 °C ) horizontal 136 A ( 55 °C ) vertical 144 A ( 50 °C ) horizontal 144 A ( 50 °C ) vertical 152 A ( 45 °C ) horizontal 152 A ( 45 °C ) vertical 160 A ( 40 °C ) power dissipation per fuse: 12 W 160 A ( 40 °C ) horizontal 160 A ( 40 °C ) vertical
Conventional enclosed thermal current (Ithe)	160 A at 40 °C, Power dissipation per fuse: 12 W

49840 — Protection & Breaking
Parameter	Value
Suitable for isolation	Yes
Contact operation	Single-break

49840 — Performance
Parameter	Value
Mechanical durability (cycles)	1600 cycles
Electrical durability (cycles)	AC-21B: 200 cycles 690 V AC 50/60 Hz AC-22B: 200 cycles 415 V AC 50/60 Hz
Control type	Fuse carriers handle
Rated duty	Uninterrupted

49840 — Environmental
Parameter	Value
Operating ambient temperature	-25...70 °C
Storage ambient temperature	-50...85 °C
IP protection rating	IP20 conforming to IEC 60529
IK impact protection rating	IK07 conforming to EN 50102
Pollution degree	3 conforming to IEC 60947

49840 — Mechanical
Parameter	Value
Mounting support	Busbars
Fuse size	NH000 NH00
Width	50 mm
Depth	159 mm
Height	456 mm
Tightening torque	14 N.m

49840 — Approvals
Parameter	Value
Standards / approvals	EN/IEC 60947-3 EN/IEC 60947-1 IEC 60269-2-1

49840 — Specifications
Parameter	Value
Device short name	ISFL160

MPN

49840