RO17 Industrial Cylindrical Fuse 10‑125A gG‑Class 500/690V Ceramic Fuse‑link, Striker‑Available RO17Z Overload Protection Fuse
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RO17 series
- RO17：Standard‑type gG‑grade cylindrical cap‑shaped fuse‑link without striker. Its dimension is Ø22.2×58 mm, rated working‑voltage 500/690V AC, rated‑current coverage 10‑125A. The ceramic fuse tube adopts quartz‑sand arc‑extinguishing medium, delivering high breaking‑capacity and stable time‑current characteristic. It meets IEC60269 and GB13539.1 as well as GB13539.2 standards, used‑for circuit overload and short‑circuit protection of industrial‑grade equipment.
- RO17Z shares the identical outline dimension and full electrical‑performance parameters of standard RO17, fitted with built‑in striker to trigger remote‑alarm signal after fusing. This replace‑able cartridge‑type fuse‑link is widely matched for metallurgy, power, mining and chemical‑industry power‑loop systems.
| Parameter | Value | Test Standard / Method |
|---|---|---|
| Frequency Range | 45‑62Hz | Tested by network analyzer |
| Rated Operating Voltage | 500V, 690V | Voltmeter |
| Rated Operating Current | 2A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A | Ammeter, clamp‑on ammeter |
| Rated Power Dissipation of Fuse‑link | 9.5W | Millivoltmeter |
| Rated Breaking Capacity of Fuse‑link | 100kA@500V；50kA@690V | Type test |
| Utilization Category of Fuse‑link | gG | GB 13539.1‑2008, GB/T 13539.2‑2008 |
| Conventional Non‑fusing Current (Inf) | 1.25In | GB 13539.1‑2008, ampere‑second characteristic test‑bench |
| Conventional Fusing Current (If) | 1.6In | GB 13539.1‑2008, ampere‑second characteristic test‑bench |
PRODUCTS SIZE:
| Model(MRO) | Cross‑reference | Fig | Dimensions/sizes (mm) | Rated Voltage | Rated Current | Weight |
|---|---|---|---|---|---|---|
| RO17 | RS17 | 1.1 | Ø22.2×58 | 500/690V | 2‑125A | 91.2 |
Time-current range of "gG' fuselinks
Cut-off current characteristic
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