
Siemens
Siemens AS 1 Single Auxiliary Switch ASC77.1E
Siemens AS 1 single auxiliary switch, manufacturer part number ASC77.1E, for gas boiler switching applications.
At a glance
- Also known as 7550086
£72.90
£60.75 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Siemens AS 1 is a single auxiliary switch supplied under manufacturer part number ASC77.1E. It is an auxiliary switching component listed within the gas boiler spares category, used to provide a supplementary switching contact in a control circuit. The unit is manufactured by Siemens.
Before you order
- Confirm the existing switch carries the AS 1 model reference and ASC77.1E part number.
- Check whether a single auxiliary switch matches the switching contact required by the appliance.
- Refer to the appliance documentation to confirm an auxiliary switch is the correct component for the task.
Compliance
| Alternative numbers | 7550086 |
|---|
No fitment data held for this part.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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