Scope of Application
The ETH17 series fuse-type isolating switches are suitable for high short-circuit current circuits with a frequency of 50 Hz, a rated voltage up to 690 V and a conventional heating current up to 630 A. They are equipped with an arc extinguishing device and are capable of on-load operation. They are used as power switches, isolating switches and emergency switches, as well as for the protection of AC circuits.
The switches feature an attractive, innovative and streamlined design, and comply with the IEC60947-3 and GB 14048.3 standards.
Model numbers and their meanings
| ETH17-160 | ETH17-250 | ETH17-400 | ETH17-630 | ETH17-800 | ||||||||
| Electrical Specifications | Rated operating voltage | Ue | V | AC400 | AC690 | AC400 | AC690 | AC400 | AC690 | AC400 | AC690 | AC400 |
| Rated operating current | Ie | A | 160 | 100 | 250 | 200 | 400 | 315 | 630 | 425 | 800 | |
| Conventional heating current | Ith | A | 160 | 100 | 250 | 200 | 400 | 315 | 630 | 425 | 800 | |
| Rated short-circuit current limit | kA | 100 | 50 | 100 | 50 | 100 | 50 | 100 | 50 | 50 | ||
| Rated insulation voltage | Ui | V | 1000 | 1000 | 1000 | 1000 | 1000 | |||||
| Rated impulse withstand voltage | Uimp | kV | 12 | 12 | 12 | 12 | 12 | |||||
| Level of use | AC-23B | AC-21B | AC-23B | AC-21B | AC-23B | AC-21B | AC-23B | AC-21B | AC-23B | |||
| Rated frequency | Hz | 50/60 | 50/60 | 50/60 | 50/60 | 50/60 | ||||||
| Pole count | 3 | 3 | 3 | 3 | 3 | |||||||
| Number of electrical life cycles | time | 100 | 100 | 100 | 100 | 100 | ||||||
| Fuse | Sizes(RT16/NT/NH) IEC 60269-2 GB/T 13539.2 |
00 | 1 | 2 | 3 | 4 | ||||||
| Operating current | In | A | 160 | 125 | 250 | 200 | 400 | 315 | 630 | 425 | 800 | |
| Power consumption | P | w | 12 | 12 | 18 | 32 | 28 | 45 | 40 | 50 | / | |
| Organisation | Mechanical life | time | 1400 | 1400 | 800 | 800 | 500 | |||||
| Busbar spacing | mm | 60 | 60 | 60 | 60 | 60 | ||||||
| Protection rating | Front | ON | IP20 | IP20 | IP20 | IP20 | IP20 | |||||
| OFF | IP30 | IP30 | IP30 | IP30 | IP30 | |||||||
| Other | Switch ON/OFF Status Feedback (Micro Switch) | Optional | Optional | Optional | Optional | Optional | ||||||
| Working conditions | Ambient temperature | ℃ | -5~+55 | |||||||||
| Working methods | Continuous operation | |||||||||||
| Operations | Handle | |||||||||||
| Installation Methods | Vertical | |||||||||||
| Height | m | ≤ 2000 | ||||||||||
| Pollution level | 3 | |||||||||||
| Overvoltage level | III | |||||||||||
Terinal block accessories
| Terminal Dimensions | Terminal type | Torque N*m | Cable Cross-Sectional Area mm² | Compatible Switch Models |
| M8 Bolt (with Cable Lug) | 12-15 | 16-70 | HR17-160 | |
| M10 Bolt (with Cable Lug) | 30-35 | 25-150 | HR17-250~400 | |
| M12 Bolt (with Cable Lug) | 35-40 | 25-240 | HR17-630 | |
 |
ET54224 | 3 | 16-70 s(r) 16-70 s(s) 16-70 f+AE |
HR17-160 |
 |
ET54207 | 6 | 75-150 s(r) 75-150 s(s) 75-150 f,f+AE |
HR17-250 |
 |
ET54207 | 6 | 75-150 s(r) 75-150 s(s) 75-150 f,f+AE |
HR17-250 |
ETH17 Fixed
| Model | Dimensions | Installation dimensions | ||||||
| Model | A | B | C | D | E | a | b | ΦΦc |
| ETH17-160 | 105 | 184 | 88 | 160 | 43 | 73 | 25 | Φ7 |
| ETH17-250 | 184 | 268 | 116 | 230 | 66 | 115 | 50 | Φ11 |
| ETH17-400 | 210 | 285 | 129 | 256 | 81 | 140 | 50 | Φ11 |
| ETH17-630 | 250 | 328 | 138 | 315 | 86 | 150 | 50 | Φ9 |
ETH17 Clip-on
| Model | Dimensions | Installation dimension | |||||
| Model | A | B | C | D | E | F | G |
| ETH17-160/31 | 105 | 186 | 168 | 101 | 60 | 84 | 16 |
| ETH17-250/31 | 184 | 265 | 234 | 131 | 86 | 111 | 45 |
| ETH17-400/31 | 210 | 287 | 273 | 165 | 117 | 142 | 68 |
| ETH17-630/31 | 250 | 329 | 338 | 177 | 122 | 147 | 112 |
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