# Fast Lock Out Relay, 8 CO, 10 A, 48 VDC, Controllers

![Product image](https://novapart.co/image/farnell:3558886/)

**URL**: https://novapart.co/products/7PA2281-0/fast-lock-out-relay-8-co-10-a-48-vdc-controllers
**SKU**: 7PA2281-0
**Manufacturer**: SIEMENS
**Category**: Automation & Process Control || Process Controllers, Programmers & Indicators || Controllers || Controller Accessories
**Price**: €310.3400
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3558886/)

**7PA2281-0** 

**Data sheet** 

FAST LOCK-OUT RELAY 8 CHANGE OVER CONTACTS OPERATING TIME 10MS AUXILIARY VOLTAGE: 48V DC WITH RESET PUSHBUTTON WITHOUT SOCKET 

||FAST LOCK-OUT RELAY 8 CHANGE OVER CONTACTS OPERATING TIME<br>10MS AUXILIARY VOLTAGE: 48V DC WITH RESET PUSHBUTTON WITHOUT<br>SOCKET|
|---|---|
|**General technical data**<br>~~a~~||
|type of voltage<br>~~a~~|DC<br>~~a~~|
|continuous current|10 A|
|switchingbehavior|bistable|
|design of the switchingfunction /positivelydriven|Yes|
|response time|10 ms|
|**Product details**<br>~~a~~||
|product component / LED<br>~~a~~|No<br>~~a~~|
|**Product Functions**<br>~~a~~||
|manual RESET<br>~~a~~|Yes<br>~~a~~|
|**Supply voltage**<br>~~a~~||
|supplyvoltage / at DC / rated value<br>~~a~~|48 V<br>~~a~~|
|**Inputs / Outputs**<br>~~a~~||
|number of NC contacts<br>~~a~~|0<br>~~a~~|
|number of NO contacts|0|
|number of CO contacts|8|
|switchingcapacityactivepower / at DC / maximum|4 400 W|
|switchingcapacityactive power / at DC / maximum / note|at 110V DC|
|**Mechanical Design**<br>~~a~~||
|width<br>~~a~~|90 mm<br>~~a~~|
|height|50 mm|
|depth|112 mm|
|design of the snap-on socket base|without|
|**Degree of protection / protection class**<br>~~a~~||
|protection class IP / on the front<br>~~a~~|IP40<br>~~a~~|
|protection class IP / rear side|IP10|
|**Environmental conditions**<br>~~a~~||
|ambient temperature / duringoperation<br>~~a~~|-40 ... +70 °C<br>~~a~~|
|**Further information**<br>~~eee~~||



**Information- and Downloadcenter (catalogues, leaflets,...)** https://www.siemens.com/energy-automation **Industry Mall (Online ordering system)** https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=7PA2281-0 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/7PA2281-0 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=7PA2281-0 

Subject to change without notice © Copyright Siemens 

7PA22810 Page 1/2 

5/12/2026 

**Tender specifications** https://www.siemens.com/specifications 

**Power Academy - Your training and consulting partner in the area of power transmission and distribution** https://www.siemens.com/poweracademy 

Subject to change without notice © Copyright Siemens 

7PA22810 Page 2/2 

5/12/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/7PA2281-0/fast-lock-out-relay-8-co-10-a-48-vdc-controllers)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/7pa2281-0/contactors/dp/3558886)
---

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