Cylindrical Fuse Links
These cylindrical fuse links protect semiconductor parts and equipment against short circuits (aR type) and motors (aM type). They have rated voltage up to 690V, rated current up to 125A, and a rated breaking capacity up to 100kA.
Technical Specifications
Overview
High-Performance Circuit Protection
These cylindrical fuse links are engineered for reliable protection against overloads and short circuits in electrical lines. Featuring a high-duty ceramic or epoxy glass cartridge filled with high-purity quartz sand, they ensure effective arc-extinguishing performance. Designed for versatility, these fuses support various protection classes including gG, aR, and aM, making them suitable for industrial and electronic equipment applications.
Technical Specifications
Electrical Ratings
690 V
Max Rated Voltage
125 A
Max Rated Current
50 Hz
Working Frequency
100 kA
Max Breaking Capacity
Compliance Standards
IEC 60269GB 13539
- Protection Classes
- gG (General Purpose)aR (Semiconductor Protection)aM (Motor Protection)
Design Features
Construction Details
- Variable cross-section fuse element made from pure metal
- High-duty ceramic or epoxy glass cartridge
- Chemically treated high-purity quartz sand arc-extinguishing medium
- Dot-welded fuse element ends for reliable electrical connection
- Optional striker availability for micro-switch activation
Common Configuration Examples
| Model Series | Voltage | Current/Dimensions |
|---|---|---|
| R016H | 250V | Ø14.3mm |
| R019H | 600V | Ø20.5x127mm |
| R019A H | 600V | Ø20.5x76mm |
| R019C Ha | 600V | Ø27x139mm |
