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Mersen

Mersen A25X125-4 125A 250–300VAC high-speed semiconductor fuse

Part Number: A25X125-4

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Mersen A25X125-4 is configured as a 250–300VAC high-speed semiconductor fuse, with 125A current capacity and 250–300VAC, intended for heavy-duty rectifiers and semiconductor converters and built around bolted blade mounting.

Rated Current125A
Rated Voltage250–300VAC
Breaking CapacityHigh interrupting; see model datasheet
PackageForm 101 (4)

For heavy-duty rectifiers and semiconductor converters, Mersen A25X125-4 provides a 250–300VAC high-speed semiconductor fuse within the A25X family. The model carries a 125A rating with 250–300VAC; low-I²t current-limiting semiconductor protection is paired with bolted blade mounting. For replacement or new builds, compare the mounting details with the linked manufacturer documentation.

Technical Specifications

Part Number
A25X125-4
Series
A25X
Fuse Type
High-Speed Semiconductor Fuse
Current Rating
125A
Voltage Rating
250–300VAC
AC / DC
AC
Breaking Capacity
High interrupting; see model datasheet
Package / Dimensions
Form 101 (4)
Mounting
Bolted Blade
Application
Drives · Semiconductor protection · UPS
Standard
UL Recognition
Terminal Type
Blade / Bolt
Fuse Speed
High Speed
Approvals
RoHS · UL Recognized
Certifications
UL Recognized|RoHS

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