170M6644 Bussmann High Speed Square Body Fuses

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pEaton Bussmann 170M6644 — square body fuse, 1250 V (IEC), 1300 V (UL), 630 A, 100 kAIC, Class aR./p

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Eaton Fuse Bussmann Low Voltage Fuses Class aR Semiconductor Protection 1250 V (IEC), 1300 V (UL)

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170M6644 Bussmann High Speed Square Body Fuses

The Eaton Bussmann 170M6644 is a square body fuse — rated 1250 V (IEC), 1300 V (UL), 630 A, 100 kAIC interrupting capacity, Class aR. It uses flush-end contact terminations.

Fuse-link, high speed, 630 A, AC 1250 V, size 3, 76 x 92 x 91 mm, aR, IEC, UL, type K indicator, flush end, 13 UNC

Specifications

常用规格

UPC	051712264907
Product Length/Depth	88.8 mm
Product Height	91.3 mm
Product Width	73.5 mm
Product Weight	0.001 g

产品规格

Amperage Rating	630 A
Fuse indicator	Non Indicating
Utilization category	aR (accompanied semiconductor protection)
Voltage type	AC
Fuse size	3
Class	Class aR
Clearing (I2T)	495000 at 1000 V, 665000 at 1250 V
Watt losses	115 W
Pre arc (I2T)	83500
Interrupt rating	100 kAIC
Fitted with:	Type K Indicator for micro
Connection	Flush-end contact
Mounting method	Flush
Packaging type	Standard
Voltage rating	1250 V (IEC), 1300 V (UL)
Type	Square body, -GKN/90 type K indicator for micro
Application	Semiconductor, DC Common bus, DC drives, power converters/rectifiers
Fuse type	Flush end GKN/90 Type K indicator for micro

Series Selection Table

Applications

Industrial equipment
Semiconductor protection in drives and rectifiers

Selection Notes

Semiconductor fuses are chosen on I²t let-through against the device surge rating, not on continuous current.
Termination style: Flush-end contact. Confirm the mating clip or busbar before ordering — ferrule and blade ends are not interchangeable.