Product Overview
Genuine Bussmann Limitron KTK-R-4 Class CC Fuse – Unused New Old Stock
This fast-acting component supports short-circuit and overload protection in compact electrical assemblies, offering dependable response in tight fuse/holder layouts. It fits well in industrial control environments where quick interruption is important, and it provides a stable choice when reviewing protective elements within an existing panel or circuit design.
Product Condition
Unused, New Old Stock.
Product Overview
The Bussmann Limitron KTK-R-4 is a Class CC fuse designed to provide rapid response during fault conditions. Its cylindrical melamine body supports heat resistance while maintaining a compact size suited to space-limited installations. The fuse’s rejection-type ferrule ends help ensure proper fit in compatible holders. It is commonly selected for consistent protection of sensitive electrical loads.
Key Features
- Fast-acting, current-limiting design
- 4 A rating for control and branch protection
- 600 VAC voltage rating
- High interrupting rating of 200 kA RMS Symmetrical
- Cylindrical melamine construction for heat durability
- Rejection-type ferrule terminals
- Approx. 13/32 in diameter and 1-1/2 in length
- UL 248-4 Class CC, CSA, CE, and RoHS compliant
Applications
- Control circuit protection
- Lighting branch protection
- PLC I/O protection
- Individual branch circuits
- Critical load protection
- Panelboard and machinery installations
Frequently Asked Questions
What type of fuse class does this model belong to?
It is a Class CC fuse, suitable for compact installations requiring fast-acting performance.
Is this fuse compatible with standard fuse holders?
Yes, the ferrule ends are designed to fit both standard and rejection-style Class CC holders.
What makes the KTK-R-4 suitable for sensitive circuits?
Its fast-acting characteristics provide quick interruption to help protect components during short-circuit events.
Where is this fuse typically used?
It appears in control panels, lighting circuits, PLC I/O modules, and equipment needing compact overcurrent protection.
You can apply its PLC I/O protection capability with the fast-acting current-limiting design when installing it into a panelboard circuit for dependable operation.
