HPC Kaeser Door Interlock Switch 611.6169.087 (Bernstein SK-A2Z) | Safety Switch for Sigma Series
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HPC / Kaeser Interlock Switch 611.6169.087
This HPC Kaeser Interlock Switch (Part No. 611.6169.087) is a genuine-style safety door interlock switch manufactured by Bernstein (SK-A2Z series). Professionally tested by our expert engineers at airlinkcompressors.com, it prevents the compressor from operating when the cabinet door is open — an essential safety feature.
Key Features & Benefits
- Safety interlock switch for compressor enclosure door
- Cuts power to the machine when door is opened for operator protection
- Robust, industrial-grade design with positive break contacts
- High reliability and long mechanical life
- Direct replacement for Kaeser Sigma series compressors
- Easy installation with standard mounting
Compatibility Fits a wide range of HPC / Kaeser rotary screw compressors including:
- SM Series (SM11, SM12, SM15, etc.)
- SK Series
- ASD Series
- CSD Series
- Other Sigma Profile models (please confirm your exact model before ordering)
Technical Specifications
- Part Number: 611.6169.087 (Bernstein SK-A2Z M4 Kurz)
- Type: Safety Door Interlock Switch (2NC / 1NO or model specific)
- Manufacturer: Bernstein
- Voltage: Suitable for 24V control circuits
- Function: Door monitoring and machine shutdown
- Condition: Fully tested replacement
- Includes: Interlock switch with actuator (as required)
Condition Expertly tested by Airlink Compressors. Each switch is electrically and mechanically tested for proper operation. Supplied in excellent working condition with our quality guarantee.
Why Buy from Airlink Compressors?
- Significant savings compared to new genuine Kaeser parts
- Fast UK stock and dispatch
- Expert technical support for compatibility and installation
- Trusted specialist in HPC/Kaeser spare parts and refurbished equipment
Yes, airlinkcompressors.com offer an installation & commissioning service, please contact support for further information on technical@airlinkcompressors.com
If you purchase any equipment from airlinkcompressors.com you are entitled to free full technical support from experts in the trade, supporting with installation, repairs & servicing. We also offer onging maintenance packages inhouse, please contact technical@airlinkcompressors.com for further information.
Yes, airlinkcompressors.com deliveries can be sent to different adresses across the UK.
Yes, we do deliver to NI (Northern Ireland) for larger items please ask for a carrige costing - sales@airlinkcompressors.com
Yes, a VAT invoice is sent automatically once the order has been dispatched to the email address supplied when originally ordered.
Yes, airlinkcompressors.com offer an installment option through Klarna, Please click here for further information.
Trusted by Our Customers
"Excellent Service"
Excellent service, correct part identified and delivered on time. Compressor up and running with little downtime.
"Great Products"
Placed my order late on a Sunday night, got the usual automated email followed by an email from Gill thanking me for my order with a delivery due the Thursday or Friday. To my surprise turned up on Wednesday spot on, nice to have early delivery. Thanks
"Good Range Of Compressors"
Good range of compressors to choose from with good information and specifications. Purchase was smooth and easy, SIP were slow to ship but the team hurried them along.
