
2
tina29e1 (2017-05) VSA100A.om
In all communications with INFICON, please specify the information on the product
nameplate.
This document applies to products with part number:
399-001
The part number (PN) can be found on the product nameplate.
We reserve the right to make technical changes without prior notice.
All dimensions are indicated in mm.
The references to diagrams, e.g. (4/5), consist of the fig. no. and the item no. in
that order.
The Vacuum Switch VSA100A is used as a pressure safety switch in vacuum
systems.
The Vacuum Switch VSA100A is used as a pressure safety switch in vacuum
systems. It is used e.g. to automatically interrupt the gas supply when venting
vacuum systems with a purge gas at a pressure of 3 mbar below atmospheric
pressure.
Unpack the Vacuum Switch VSA100A immediately after delivery, even if it is to be
put into operation at a later date.
Before doing so, examine the shipping container for any external damage. Then
completely remove the packaging materials.
The shipping container and packaging materials must be kept in the event of com-
plaints about damage.
In order to ensure that no damages have been caused during transport carefully
examine Vacuum Switch VSA100A visually.
If any damage is discovered, report it immediately to the forwarding agent and
insurer. If the damaged part has to be replaced, please get in touch with the orders
department.
At a differential pressure of 6 mbar when pumping down or 3 mbar when venting
below atmospheric pressure, an elastic diaphragm actuates a changeover contact
which in turn may be used to directly switch any ancillary equipment. The electrical
connections are placed under a plastic cover.
Vacuum Switch VSA100A complete with cable, 3 m
Operating Manual German
Operating Manual English
Product Identification
Validity
Description
Intended Use
Unpacking and Checking
Design and Function
Scope of Delivery