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Mersen

Mersen CRS300 300A 600V Class H Time-Delay Fuse

Part Number: CRS300

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For 300A circuit protection, CRS300 is a catalog member of Mersen’s CRS Series. Published electrical limits are 600V AC with 10kA AC short-circuit capability. This makes it suitable where Type D time-delay protection for circuits with temporary overloads and inrush.

Rated Current300A
Rated Voltage600V AC
Breaking Capacity10kA AC
PackageClass H/K

Part CRS300 belongs to the Mersen CRS Series and is rated 300A. Its electrical envelope is 600V AC, supported by 10kA AC interrupting data. Its operating characteristic provides Type D time-delay protection for circuits with temporary overloads and inrush. The Class H format uses ferrule / blade (amp-dependent) terminals with cartridge/clip mounting. Typical selection contexts include Motor Circuits, Transformers, Lighting With High Inrush. Final application limits and dimensional details should be verified against Mersen’s official datasheet.

Technical Specifications

Part Number
CRS300
Manufacturer Part Number
CRS300
Series
CRS Series
Fuse Type
Type D Time-Delay Class H Fuse
Current Rating
300A
Voltage Rating
600V AC
AC / DC
AC
Breaking Capacity
10kA AC
Package / Dimensions
Class H/K
Mounting
Cartridge / Clip
Application
High inrush · Industrial circuits · Motor Circuits · Solenoid · Transformers
Standard
CSA Type D / CSA C22.2 No. 248
Terminal Type
Ferrule / Blade (amp-dependent)
Fuse Speed
Time Delay
Utilization Class
Class H
Approvals
CSA Certified
Certifications
CSA Certified

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