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GN 278.4 Sensor Holders Aluminum


GN 278.4 Sensor Holders, Aluminum

Product description


The clamping bore of sensor holders GN 278.4 is mechanically machined and designed for construction tubes GN 990 or DIN 2391, DIN 2395 and DIN 2462.

At the screw location z, the socket cap screw reduces the bore cross-section for clamping.

For clamping without tools, the socket cap screw can be replaced by an adjustable lever GN 911 listed in the table as accessory.


Powder coated
Black, RAL 9005, textured finishSWSW

Socket cap screws DIN 912
Stainless steel AISI 304

Hex nuts DIN 985
Stainless steel AISI 304
Self-locking via polyamide ring


Technical drawing

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GN 278.4 Sensor Holders, Aluminum sketch

Article options / Table

Identification no.

2With stainless steel socket cap srew DIN 912
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for clamping Ø
for sensor
Recom. hand lever
GN 911 for z

B 20B 18B 3040504095404310M8-25-
B 25B 18B 3040504095404310M8-2563 | 78
B 30B 18B 3040504095404310M8-2563 | 78

Build & Price

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Bore d1
Bore d2
Identification no.


Selected Part (How to order)

Total (net)
plus VAT 3,69 €
gross 23,11 €
In stock
incl. material surcharge: 0,39 €
The material surcharge is already included in the price.
Weight: 0,185 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone +49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances).
Please note our order discounts.
With a total value (net) per order:
from 175,00 € -> 10 % discount
from 275,00 € -> 20 % discount
from 375,00 € -> 30 % discount

Surcharge for small volume purchases:
-> 15,00 Euro
for value of goods less than 25,00 €
-> 10,00 Euro
for value of goods from 25,00 to 49,99 €
All prices in accordance with our price list No. 55, valid from 1 September 2022, plus VAT only valid for Germany.

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