170M6785 Eaton Bussmann 630A 1250V High Speed Flush‑End Low Voltage Fuse

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pEaton Bussmann 170M6785 — low voltage fuse, 1250 V, 630 A, 125 kAIC, Class aR./p

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Eaton Fuse Bussmann Low Voltage Fuses Class aR Semiconductor Protection 1250 V

Product Details
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170M6785 Eaton Bussmann 630A 1250V High Speed Flush‑End Low Voltage Fuse

The Eaton Bussmann 170M6785 is a low voltage fuse — rated 1250 V, 630 A, 125 kAIC interrupting capacity, Class aR. It uses flush-end contact terminations.

Eaton Bussmann series high speed square body fuse, 630 A, AC 1250 V, 2 x size 3, 74 x 52 x 167 mm, aR, IEC, type K indicator

Specifications

常用规格

Product Length/Depth	70 mm
Product Height	75.82 mm
Product Width	167 mm
Product Weight	1484 g

产品规格

Amperage Rating	630 A
Breaking capacity	100 kA
Fuse indicator	Non Indicating
Utilization category	aR (accompanied semiconductor protection)
Fuse size	23
Rated voltage AC	1250 V
Center-to-center distance of connections	167 mm
Current type	AC
Mounting dimension	M10
Class	Class aR
Clearing (I2T)	310000 at 1250 V
Watt losses	170 W
Pre arc (I2T)	38000
Color	None
Interrupt rating	125 kAIC
Connection	Flush-end contact
Construction size	3
Mounting method	Flush
Packaging type	Standard
Voltage rating	1250 V
Type	Square Body flush-end contact -BKN/75 Type K indicator
Application	DC common bus DC drives power converters/rectifiers
Fuse type	BKN/75 Type K Indicator for Micro
Fuse system (according to IEC 60269)	Other

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.