Product Overview
The ETH18 strip switch incorporates an independently developed design concept, featuring a novel appearance and enhanced functionality. it holds six utility model patents and four design patents, and provides a safer and more convenient method of installation and operation for cable junction boxes, American-style transformer substations and similar equipment.
- Add mounting positioning blocks
- Add protective lugs
- Optimise the fuse installation module
- Add heat dissipation grooves
- Add a rotating protective cover
- A variety of wiring options are available
- Integrated current transformer design
- A range ofoptional function modules
- Distinctive branding for a unique look
Model numbers and their meanings
List of Standard Models
| No. | Order number | Current | Adaptation |
| 1 | ETH18-160/3L | 160A | Fixed Mounting (with Mounting Holes), Simultaneous Three-Phase Operation, with Fuse Links |
| 2 | ETH18-160/311L | 160A | Plug-in Mounting, with Auxiliary Contacts, Simultaneous Three-Phase Operation, with Fuse Links |
| 3 | ETH18-250/3L | 250A | Fixed Mounting (with Mounting Holes), Simultaneous Three-Phase Operation, with Fuse Links |
| 4 | ETH18-250/3S | 250A | Fixed Mounting (with Mounting Holes), Independent Three-Phase Operation, with Fuse Links |
| 5 | ETH18-250/3LD | 250A | Fixed Mounting (with Mounting Holes), Simultaneous Three-Phase Operation, with Disconnecting Blades |
| 6 | ETH18-250/311L | 250A | Plug-in Mounting, with Auxiliary Contacts, Simultaneous Three-Phase Operation, with Fuse Links |
| 7 | ETH18-400/3L | 400A | Fixed Mounting (with Mounting Holes), Simultaneous Three-Phase Operation, with Fuse Links |
| 8 | ETH18-400/3S | 400A | Fixed Mounting (with Mounting Holes), Independent Three-Phase Operation, with Fuse Links |
| 9 | ETH18-400/3LD | 400A | Fixed Mounting (with Mounting Holes), Simultaneous Three-Phase Operation, with Disconnecting Blades |
| 10 | ETH18-400/311L | 400A | Plug-in Mounting, with Auxiliary Contacts, Simultaneous Three-Phase Operation, with Fuse Links |
| 11 | ETH18-630/3L | 630A | Fixed Mounting (with Mounting Holes), Simultaneous Three-Phase Operation, with Fuse Links |
| 12 | ETH18-630/3S | 630A | Fixed Mounting (with Mounting Holes), Independent Three-Phase Operation, with Fuse Links |
| 13 | ETH18-630/3LD | 630A | Fixed Mounting (with Mounting Holes), Simultaneous Three-Phase Operation, with Disconnecting Blades |
| 14 | ETH18-630/311L | 630A | Plug-in Mounting, with Auxiliary Contacts, Simultaneous Three-Phase Operation, with Fuse Links |
| Notes | 1.For other specific model numbers, please refer to the explanation of the model designations for bar-type fuse-switches. | ||
| 2.For other accessories, such as terminal blocks, please refer to the list of accessories for bar-type fuse-switches. | |||
Key Technical Specifications
| ETH18-160 | ETH18-250 | ETH18-400 | ETH18-630 | |||||||||||||
| Electrical Specifications | With a fuse | Rated operating voltage | Ue | V | AC400 | AC500 | AC690 | AC400 | AC500 | AC690 | AC400 | AC500 | AC690 | AC400 | AC500 | AC690 |
| Rated operating current | Ie | A | 160 | 125 | 100 | 250 | 250 | 200 | 400 | 400 | 315 | 630 | 630 | 630 | ||
| Conventional heating current | Ith | A | 160 | 125 | 100 | 250 | 250 | 200 | 400 | 400 | 315 | 630 | 630 | 630 | ||
| Level of use | AC-23B | AC-23B | AC-22B | AC-23B | AC-23B | AC-22B | AC-23B | AC-23B | AC-22B | AC-23B | AC-23B | AC-22B | ||||
| Rated short-circuit current limit | Iq | kA | 50 | 100 | 100 | 50 | 100 | 100 | 50 | 100 | 100 | 50 | ||||
| Rated insulation voltage | Ui | V | 1000 | 1000 | 1000 | 1000 | ||||||||||
| Rated impulse withstand voltage | Uimp | kV | 8 | 8 | 8 | 8 | ||||||||||
| Rated frequency | Hz | 50/60 | 50/60 | 50/60 | 50/60 | |||||||||||
| Number of electrical life cycles | time | 200 | 200 | 200 | 200 | |||||||||||
| With separating blade | Rated operating voltage | Ue | V | / | / | AC500 | / | / | AC500 | / | / | AC500 | / | |||
| Rated operating current | Ie | A | / | / | 250 | / | / | 400 | / | / | 630 | / | ||||
| Conventional heating current | Ith | A | / | / | 250 | / | / | 400 | / | / | 630 | / | ||||
| Level of use | / | / | AC-23B | / | / | AC-23B | / | / | AC-23B | / | ||||||
| Rated short-circuit current limit | Icw | kA | / | / | 12 | / | / | 12 | / | / | 12 | / | ||||
| Rated insulation voltage | Ui | V | / | 1000 | 1000 | 1000 | ||||||||||
| Rated short-time withstand voltage | Uimp | kV | / | 8 | 8 | 8 | ||||||||||
| Rated frequency | Hz | / | 50/60 | 50/60 | 50/60 | |||||||||||
| Number of electrical life cycles | time | / | 200 | 200 | 200 | |||||||||||
| Fuse | Sizes(RT16/NT/NH) | 0 | 1 | 2 | 3 | |||||||||||
| GB/T13539.2 | ||||||||||||||||
| IEC 62269-2 | ||||||||||||||||
| Operating current | In | A | 160 | 125 | 100 | 250 | 250 | 200 | 400 | 400 | 315 | 630 | 630 | 500 | ||
| Power consumption | P | W | 12 | 12 | 12 | 18 | 23 | 32 | 28 | 34 | 45 | 40 | 48 | 60 | ||
| Organisation | Mechanical life | time | 1400 | 1400 | 800 | 800 | 1400 | 800 | ||||||||
| Busbar spacing | mm | 185 | 185 | 185 | 185 | |||||||||||
| Protection rating | Front | ON | IP20 | IP20 | IP20 | IP20 | ||||||||||
| OFF | IP30 | IP30 | IP30 | IP30 | ||||||||||||
| Other | Electronic Fuse Monitor (EFM) | Optional | Optional | Optional | Optional | |||||||||||
| Switch ON/OFF Status Feedback | Optional | Optional | Optional | Optional | ||||||||||||
| (Micro Switch) | ||||||||||||||||
| Working conditions | Ambient temperature | °C | -5~+55 | |||||||||||||
| Working methods | Continuous operation | |||||||||||||||
| Operations | Handle | |||||||||||||||
| Installation Methods | Vertical | |||||||||||||||
| Height | m | ≤ 2000 | ||||||||||||||
| Pollution level | 3 | |||||||||||||||
| Overvoltage level | Overvoltage level | III | IV | |||||||||||||
List of Annexes
| Appendix | Types | No. | Appearance | Name | Model | Cable Cross-Sectional Area mm2 | Torque (N·m) | Quantity (per unit) | Compatible switch specifications | Standard specification | Optional extras |
| Appendix | Products Accessories | 1.1 |  |
Positioning block | / | / | / | 4 | ETH18-250-630 | ● | |
| Appendix | Products Accessories | 1.2 |  |
Insulated power strip | / | / | / | 2 | ETH18-250-630 | ● | |
| Appendix | Products Accessories | 1.3 |  |
Menu | 57020 | / | / | 1 | ETH18-250-630 | ● | |
| Appendix | Products Accessories | 1.4 |  |
Current transformer (class 0.5) |
Specific model to be confirmed according to the rated current. | / | / | 3 | ETH18-250-630 | ● | |
| Appendix | Products Accessories | 1.5 |  |
Electronic Fuse Monitor (EFM) | 57001 | / | / | 1 | ETH18-160-630 | ● | |
| Appendix | Plug-in Terminal | 2.1 |  |
Terminal block | 54251 | / | 8 | 3 | ETH18-160 | ● | |
| Appendix | Plug-in Terminal | 2.2 |  |
Terminal block | 54253 | / | 30 | 3 | ETH18-250-630 | ● | |
| Appendix | Wiring Terminals | 3.1 | With cable lugs or busbars | M8 bolt | / | 16-70 | 12 | 3 | ETH18-160 | ● | |
| Appendix | Wiring Terminals | 3.2 | With cable lugs or busbars | M10 bolt | / | 35-240 | 30 | 3 | ETH18-250 | ● | |
| Appendix | Wiring Terminals | 3.3 | With cable lugs or busbars | M10 bolt | / | 35-240 | 30 | 3 | ETH18-400 | ● | |
| Appendix | Wiring Terminals | 3.4 | With cable lugs or busbars | M12 bolt | / | 70-240 | 35 | 3 | ETH18-630 | ● | |
| Appendix | Wiring Terminals | 3.5 |  |
Terminal block | 54224 | 16-70s(r) 16-70s(s) 16-70f+AE |
3 | 3 | ETH18-160 | ● | |
| Appendix | Wiring Terminals | 3.6 |  |
Terminal block | 54267 | 35-70s(r) 16-150s(s) 16-185sol(s) |
25 | 3 | ETH18-250 | ● | |
| Appendix | Wiring Terminals | 3.7 |  |
Terminal block (V-shaped) |
54275 | 50-300s(r) 50-240s(s) 50-300sol(s) |
30 | 3 | ETH18-250-630 | ● | |
| Appendix | Wiring Terminals | 3.8 |  |
Horizontal dual-core terminal block | 54276 | 2×185~240 | 30 | 1 | ETH18-630 | ● | |
| Appendix | Wiring Terminals | 3.9 |  |
Vertical dual-core terminal block | 54276 | 2×185~240 | 30 | 2 | ETH18-630 | ● |
ETH18-160/3L
ETH18-160/3S
ETH18-250-160/3L
ETH18-250-160/3S
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