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Instruction Manual - Magnetrol International

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4.5 Model Numbers<br />

4.5.3 C10 & C15 Triple Switch Models (continued)<br />

ELECTRIC SWITCH MECHANISM AND ENCLOSURE ➅ FOR MODELS C10 AND C15<br />

Aluminum Polymer Coated Switch Enclosure<br />

Maximum ➄<br />

NEMA 4X/7/9<br />

Switch Description ➃ Process Temp. Three Class I, Div. 1, Aluminum Aluminum Aluminum<br />

° F (° C) Set Points Groups C & D With Heater With Drain Class I, Div. 1,<br />

Group B<br />

Series O Snap Switch<br />

Series Q Snap Switch<br />

➀ Pressure/temperature ratings on page 13. Flanges are ANSI type.<br />

➁ Not available with material of construction codes 4, M and N.<br />

➂ 316 SS flange is provided with material of construction code 4<br />

and M.<br />

➃ Pneumatic switch mechanisms and enclosures are unavailable for<br />

Models C10 and C15 switches.<br />

➄ Process temperature based on +100° F (+38° C) ambient.<br />

➅ Consult factory for NEMA 4X/7/9 cast iron housings.<br />

➆ 125# flanges will be cast iron.<br />

C 1<br />

300 SPDT OMB Not OWB OMN<br />

(149) DPDT OKB Available ONB OKN<br />

250 SPDT QMB QRB QWB QMN<br />

(121) DPDT QKB QLB QNB QKN<br />

45-610 Displacer Type Liquid Level Switches and Proof-er ® Switches 39

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