Main Features

Manufacturer: BETA BV (Netherlands) – “User-Friendly” C‑Series pressure/temperature switches
Model Code Breakdown:
- C: Weather‑tight IP  rated cast aluminium (or SS) housing
- PH: High-pressure version; sensitivity range ~.–. MPa (– psi)
- MN: Stainless-steel wetted parts + specific threaded process connection variant
- M: Option for cable gland or external conduit (e.g., PG./M)
- K: SPDT microswitch contact block (standard),  A rated

Technical Overview

Enclosure:

IP -rated, cast housing with gasketed cover and sturdy stainless hardware; robust against harsh environments
Pressure Range:

Adjustable within ~.–. MPa (– psi), set by a locking nut; piston‑diaphragm design ensures accurate sensing
Process Connection:

Stainless-steel wetted assembly with specific threading per MN variant (likely BSP/NPT selectable)
Switch Element:

Heavy-duty SPDT microswitch (K) rated  A,  VAC, wired to internal or PG/M conduit
Options (M):

Includes cable gland or conduit entry for secure wiring interfaces—ideal for IP‑rated industrial panels
Electrical & Environmental Ratings:

 A inductive;  kV impulse withstand; operating temperature – °C to + °C; repeatability ±. % FS
Approval & Reliability:

Certified IEC  SIL ; CE, ATEX (Ex ia/ib), FM, CSA approvals for intrinsically safe or explosion-proof applications

BETA – C8-P508H-M2N-M1-K1 (Rev-C) – IP66 Cast-Housing High-Pressure Switch, SPDT