China RO15 Series Cylindrical Fuse Links 0.5-32A 250-690V - Reliable Suppliers & Factory Products
| Parameter | Value | Test Standard / Method |
|---|---|---|
| Frequency | 45–62 Hz | Network analyzer test |
| Rated Operating Voltage | 500 V / 690 V | Voltmeter |
| Rated Operating Current | 1 A, 2 A, 3 A, 4 A, 6 A, 8 A, 10 A, 16 A, 20 A, 25 A, 32 A | Ammeter, clamp meter |
| Rated Power Dissipation of Fuse-Link | 3.2 W | Millivoltmeter |
| Rated Breaking Capacity of Fuse-Link |
500 V: 100 kA 690 V: 50 kA |
Type test |
| Utilization Category of Fuse-Link | gG |
GB 13539.1-2015 GB/T 13539.2-2015 |
Products Size
| Model | Dimension (mm) | Rated Voltage | Current Range (A) | Weight (g) |
|---|---|---|---|---|
| RO15 | Ø10.3 × 38 | 500 / 690 V AC | 0.5 – 32 | 7.7 |
| RO15A | Ø10.3 × 25.8 | 250 V AC | 0.5 – 16 | 4.8 |
| RO15B | Ø10.3 × 31.5 | 250 / 500 V AC | 0.5 – 25 | 5.8 |
| RO15C | Ø10.3 × 34 | 380 / 500 V AC | 0.5 – 32 | 6.2 |
| RO15D | Ø10.3 × 57 | 600 V AC | 2 – 32 | 11 |
Time-current range of "gG" fuselinks
Cut-off current characteristic
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Frequently Asked Questions
What is the rated breaking capacity of these fuse-links?
The rated breaking capacity is 100 kA at 500 V and 50 kA at 690 V, verified through rigorous type testing.
What utilization category do the RO15 series fuse-links belong to?
They belong to the "gG" utilization category, which indicates full-range breaking capacity fuse-links for general applications, complying with GB 13539.1-2015 and GB/T 13539.2-2015 standards.
What are the physical dimensions and weight of the standard RO15 model?
The standard RO15 model measures Ø10.3 × 38 mm in dimension and has an approximate unit weight of 7.7 grams.
What is the rated power dissipation for these fuse-links?
The rated power dissipation of the fuse-link is 3.2 W, measured using a precise millivoltmeter test method.
What rated operating voltages and current ranges are available?
The products support rated voltages of 250V, 380V, 500V, 600V, and 690V AC, with rated operating current options ranging from 0.5 A up to 32 A depending on the specific model (RO15, RO15A, RO15B, RO15C, RO15D).






