Product Overview
Limitron KTK-R-20 Class CC 20A 600V Fast-Acting Fuse – Unused NOS
This compact current-limiting fuse provides fast interruption for branch and control circuits in industrial and commercial systems. Its Class CC dimensions suit common panel-mounted holders, offering dependable short-circuit response when reviewing or maintaining electrical assemblies that require rapid fault clearing.
Product Condition
Unused, New Old Stock.
Product Overview
The Bussmann Limitron KTK-R-20 is a 20A, 600V fast-acting fuse engineered for branch circuit and control-level protection. Its current-limiting design helps reduce fault energy, while the melamine tube and nickel-plated bronze end caps support heat resistance and secure electrical contact. The fuse fits standard and rejection-style Class CC holders and carries UL, CSA, and RoHS approvals.
Key Features
- Fast-acting Class CC fuse
- 20 A rating with 600 VAC capability
- 200,000 A interrupting rating
- Current-limiting design for reduced fault energy
- Fits standard and rejection-style holders
- Approx. 10.3 mm x 38.1 mm dimensions
- Melamine tube and nickel-plated bronze end caps
- UL Class CC, CSA, and RoHS compliant
Applications
- Control circuits in industrial panels
- Lighting circuit protection
- Meter and instrumentation circuits
- General branch protection needing fast response
- Compact panel and enclosure installations
Frequently Asked Questions
What type of fuse is the KTK-R-20?
It is a Class CC fast-acting fuse designed for current-limiting branch circuit protection.
Does it fit standard holders?
Yes, it fits both standard and rejection-style Class CC fuse holders.
Why is this fuse considered current limiting?
Its design reduces the let-through energy during short circuits, offering enhanced protection for downstream components.
Where is it commonly used?
It appears in control panels, lighting circuits, and instrumentation requiring compact, fast-acting overcurrent protection.
You can combine its control panel branch protection role with the current-limiting design when inserting it into a Class CC holder inside your enclosure.
