The recommended mounting torque for the 250R120U is 10-12 in-lbs (1.1-1.4 Nm) for the screw terminals and 15-18 in-lbs (1.7-2.0 Nm) for the busbar connections.
Yes, the 250R120U is designed to operate in high-temperature environments up to 125°C (257°F). However, the fuse's current rating may need to be derated for temperatures above 85°C (185°F).
To select the correct fuse size, consider the maximum current rating of your circuit, the voltage rating, and the fault current available. Consult the datasheet and application notes for guidance on selecting the appropriate fuse size.
The 250R120U fuses are designed to be compatible with standard fuse holders that meet the UL 248-14 standard. However, it's recommended to verify compatibility with your specific fuse holder before installation.
The typical response time of the 250R120U fuse is around 1-2 seconds at the rated current. However, this time may vary depending on the specific application and fault conditions.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
250R120U Overview
Use the download button to access the 250R120U schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like 250R1,
or try a keyword search, such as Non-linear Resistors
