The Atlas Copco ETC ST81-90-17LS-LI4 is an industrial electric assembly tool designed for precise and repeatable fastening in professional production environments. It is intended for demanding assembly operations where consistent fastening performance and reliable process execution are required
Technical Specifications
| Design & Functions | |
|---|---|
| Tensor | ST |
| Model Type | Crowfoot |
| Crowfoot Type | In-Line |
| Torque | |
|---|---|
| Torque Range Min | 15 Nm |
| Torque Range Max | 90 Nm |
| Torque Range Min | 12 ft lb |
| Torque Range Max | 66 ft lb |
| Speed & Motor | |
|---|---|
| Speed | 1,168 r/min |
| Motor Power | 1,500 W |
| Motor Voltage | 200 V |
| Motor Voltage Type | 3 a.c. |
| Dimensions & Weight | |
|---|---|
| Weight | 3.9 kg |
| Weight | 8.7 lb |
| Length | 705 mm |
| Noise & Vibrations | |
|---|---|
| Sound Pressure | <70 dB(A) |
| Sound Standard | ISO15744 |
| Vibration Value | <2.5 m/s2 |
| Vibration Standard | ISO28927-2 |
| Certifications, Standards & Directives | |
|---|---|
| CCC Certified | No |
| CQC Certified | Yes |
| EAC Certified | Yes |
| KC Certified | Yes |
| KC ID | R-REI-50A-ETVST81 |
| EC Standard | EN 61000-3-2:2006, EN 61000-3-3:2008, EN 61000-6-2:2005, EN 61000-6-3:2007, EN 61010-1 |
| EU Directives | 2006/42/EC, 2011/65/EU, 2014/30/EU |
| WEEE | 4 – Large equipment >50cm |
Applications
The Atlas Copco ETC ST81-90-17LS-LI4 is intended for industrial assembly and fastening operations requiring an in-line crowfoot configuration and a torque range of 15–90 Nm. Its 1,168 r/min operating speed and 1,500 W motor provide key performance parameters for production environments where these fastening specifications are required.
Key Features
- In-line crowfoot electric assembly tool
- Torque range of 15–90 Nm (12–66 ft lb)
- Operating speed of 1,168 r/min
- 1,500 W motor power
- 200 V, 3 a.c. motor supply
- Tensor ST platform
- Tool weight of 3.9 kg (8.7 lb)
- Overall length of 705 mm
- Sound pressure below 70 dB(A) according to ISO15744
- Vibration value below 2.5 m/s2 according to ISO28927-2
- CQC, EAC and KC certified
Why Choose the ETC ST81-90-17LS-LI4?
The ETC ST81-90-17LS-LI4 combines a 15–90 Nm torque range with an in-line crowfoot configuration and a high operating speed of 1,168 r/min. Its 1,500 W motor, 200 V three-phase a.c. supply, 3.9 kg weight and Tensor ST platform provide clear comparison points when evaluating Atlas Copco electric assembly tools for industrial fastening operations.
Explore more models in our Atlas Copco Electric Assembly Tools category to compare different torque ranges, speeds and crowfoot configurations.
Related Electric Assembly Tools
Middle East ABC offers a range of Atlas Copco electric assembly tools for different industrial fastening requirements. Compare the ETC ST81-90-17LS-LI4 with other models in the Electric Assembly Tools category based on torque range, operating speed, motor specifications, dimensions and tool configuration.
Atlas Copco ETC ST81-90-17LS-LI4 Supplier in UAE
Middle East ABC supplies the Atlas Copco ETC ST81-90-17LS-LI4 in the UAE for industrial manufacturing and assembly applications. Contact our team for product availability, technical information and quotation support.
Explore the manufacturer’s complete range on the official Atlas Copco Electric Assembly Tools page.


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