45-610 Displacer Type Liquid Level Switches and Proof-er
®
Switches
39
4.5
Model Numbers
4.5.3 C10 & C15 Triple Switch Models (continued)
ELECTrIC SWITCH MECHANISM AND ENCLOSUrE
➅
FOr MODELS C10 AND C15
Aluminum Polymer Coated Switch Enclosure
Maximum
➄
NEMA 4X/7/9
Switch Description
➃
Process Temp.
Three
Class
I,
Div. 1,
Aluminum
Aluminum
Aluminum
° F (° C)
Set Points
Groups C & D
With Heater
With Drain
Class
I,
Div. 1,
Group B
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
C
1
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.