45-610 Displacer Type Liquid Level Switches and Proof-er
®
Switches
39
4.5 Model Numbers
➅
➄
➃ I,
I,
Series O Snap Switch
300
SPDT OMB Not OWB OMN
(149)
DPDT OKB Available ONB OKN
Series Q Snap Switch
250
SPDT QMB QRB QWB QMN
(121)
DPDT QKB QLB QNB QKN
➀ Pressure/temperature ratings on page 13. Flanges are ANSI type.
➁ Not available with material of construction codes 4, M and N.
➂ 316 SS flange is provided with material of construction code 4
and M.
➃ Pneumatic switch mechanisms and enclosures are unavailable for
Models C10 and C15 switches.
➄ Process temperature based on +100 °F (+38 °C) ambient.
➅ Consult factory for NEMA 4X/7/9 cast iron housings.
➆ 125# flanges will be cast iron.