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Littelfuse

Littelfuse L70QS300 300A 700V High-Speed Semiconductor Fuse

Part Number: L70QS300

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Littelfuse L70QS300 combines a 300A rating with very fast-acting protection of power semiconductors, converters, drives and control circuits; the listed ordering configuration is North American bolted round-body package.

Rated Current300A
Rated Voltage700 V AC/DC
Breaking Capacity200 kA AC / 50 kA DC
PackageTraditional Round Body

As a L70QS Series ordering code, L70QS300 pairs a 300A rating with very fast-acting protection of power semiconductors, converters, drives and control circuits. Rated 700 V AC/DC; interrupting rating 200 kA AC and 50 kA DC; current-limiting high-speed design. The supplied configuration is North American bolted round-body package. Validate the exact part number and operating conditions with current Littelfuse documentation.

Technical Specifications

Part Number
L70QS300
Manufacturer Part Number
L70QS300
Series
L70QS Series
Fuse Type
High-Speed Semiconductor Fuse
Current Rating
300A
Voltage Rating
700 V AC/DC
AC / DC
AC/DC
Breaking Capacity
200 kA AC / 50 kA DC
Operating Temperature
-55°C to +125°C
Package / Dimensions
Traditional Round Body
Mounting
Bolted Tag
Application
Control circuits · Drives · Power converters · Power semiconductors
Standard
UL
Terminal Type
Bolted terminals
Fuse Speed
Very Fast Acting
Utilization Class
High-Speed
Approvals
cURus · UL
Certifications
UL Recognized; cURus; RoHS; REACH

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