KTS-R-100
AI

The **KTS-R-100** is a specific model of high-performance industrial fuse manufactured by **Eaton Bussmann**. It belongs to the **Limitron™** family and is designed for high-speed response to short circuits.
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### 1. Technical Specifications
The following table outlines the core electronic and mechanical parameters of the KTS-R-100:
| Feature | Specification |
| :--- | :--- |
| **Current Rating** | 100 Amperes |
| **Voltage Rating (AC)** | 600 Vac |
| **Interrupting Rating** | 200,000 Amps RMS Symmetrical |
| **Class** | Class RK1 |
| **Fuse Type** | Fast-Acting / Current Limiting |
| **Body Material** | Melamine (Fiberglass) tube |
| **Terminal Material** | Silver-plated brass/copper caps |
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### 2. Key Electronic Characteristics
#### A. Fast-Acting Response
Unlike "Time-Delay" fuses (which allow brief surges for motor starting), the KTS-R-100 is **Fast-Acting**. It is designed to open almost instantaneously when it detects an overcurrent. This makes it ideal for protecting sensitive electronic components that cannot withstand prolonged surges.
#### B. Current Limiting (RK1 Designation)
The "R" in the model name indicates it is a **Class RK1** fuse.
- **High Limitation:** It limits the amount of "let-through" energy during a short circuit better than RK5 fuses.
- **Circuit Protection:** By limiting the peak current, it prevents magnetic and thermal stress from damaging downstream equipment like busbars and breakers.
#### C. High Interrupting Capacity
With a rating of **200kA**, this fuse can safely extinguish an internal arc even in high-energy industrial environments without exploding or causing a fire.
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### 3. Physical Dimensions & Form Factor
The KTS-R-100 uses the standard dimensions for a 100A, 600V Class R cartridge fuse:
| Dimension | Value (Approx.) |
| :--- | :--- |
| **Length** | 7.88 inches (200 mm) |
| **Diameter** | 1.11 inches (28 mm) |
| **Mounting** | Cartridge / Blade-style terminals |
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### 4. Typical Applications
* **Branch Circuit Protection:** Standard industrial power distribution.
* **Non-Inductive Loads:** Resistance heaters and lighting circuits.
* **Sensitive Electronics:** UPS systems, rectifiers, and solid-state devices where fast interruption is critical.
* **Panelboards:** Used in mains or feeders where high fault currents are possible.
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- ⤷What is the difference between KTS-R (Class RK1) and FRN-R (Class RK5) fuses?
- ⤷ Can a KTS-R-100 fuse be used in a 480V circuit?
- ⤷ Is there a time-delay equivalent for the KTS-R series?