Products C-Series


SPDT/ DPDT Pressure & Temperature switches.


The SIL 3 Applicable certified C-series is available in a wide range of Pressure, Temperature, Vacuum and Differential pressure ranges.


Experience flexibility with various process connections and wetted parts,
allowing seamless integration into diverse systems.


Trust in the C-series to deliver precision, durability, and reliability for your (critical) applications.


(with option “I”) for Intrinsically safe applications.

Your guarantee for reliability and compliance for safe operations in hazardous environments.


Certified by KIWA in accordance with NEN EN 60079-0 / EN 60079-11 standards  for:

II 1 G Ex ia IIC-T4…T6 Ga or
II 2 G Ex ib IIC-T4…T6 Gb or
II 1 D Ex ia IIIC T85°C Da or
II 2 D Ex ib IIIC T85°C Db

ATEX: KIWA 15 ATEX 0023X &
IECEx: KIWA 15.0011X (-60 to +80°C) approved.

CSA: Cert.No.: 1891054  &
FM : Cert.No.: 3031247 (-40 to +80°C) approved.

Option “I”

in accordance with art. 9 of the ATEX Directive 2014/34/EU (Ex ia/ib IIC) which are related to insulation, clearance, creepage distances and enclosure type whereby a max. peak voltage of 90 V or 3,3A is allowed.

Please note the following:

When a switch is ordered with cable gland (option “C”) BETA will automatically install the Ex blue colored cable gland. Due to low current used in intrinsically safe systems we advise utilizing switching elements equipped with gold contacts, designated by the codes (code “G1,” “O1” or “Y1”).

Downloads C-Series

Short Form Data Sheets:

BETA General Product Bulletin:

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