Instruction Manual - Magnetrol International

4.5 Model Numbers
4.5.2 B10 & B15 Dual Switch Models (continued)
B 1
ELECTRIC SWITCH MECHANISM AND ENCLOSURE ➇ FOR MODELS B10 AND B15
Switch Description ➈
Series B Snap Switch
Series C Snap Switch
Series D Snap Switch
For DC Current Applications
Series F Hermetically Sealed
Snap Switch
Series HS Hermetically Sealed
Snap Switch w/Wiring Leads
Max. ➉
Process Temp.
° F (°C)
250
(121)
450
(232)
250
(121)
500
(260)
500
(260)
Two
Set Points
Class I, Div. 1,
Groups C & D
➀ Not available with displacer material and proof-er option codes K, L.
➁ Not available with displacer material and proof-er option codes D, E, F, K and L.
➂ Pressure/temperature ratings on page 13. Flanges are ANSI type.
➃ Not available with material of construction codes M and N.
➄ Not available with displacer material and Proof-er option codes K, L.
➅ Not available with material of construction code 4.
➆ 316 SS flange is provided with material of construction code 4 and M.
➅ Not available with displacer material and Proof-er option codes K, L.
➇ Consult factory for NEMA 4X/7/9 cast iron housings.
➈ Pneumatic switch mechanisms and enclosures are unavailable for Models B10
and B15 switches.
➉ Process temperature based on +100° F (+38° C) ambient.
11 Uncontrolled housing heater or drain available in NEMA 4X/7/9 enclosures.
Consult factory for standard part numbers.
12 On steam applications, temperature down rated to +400° F (+204° C) process
at +100° F (+38° C) ambient.
13 125# flanges will be cast iron.
12
Switch Enclosure
NEMA 4X/7/9 11
Class I, Div. 1,
Group B
45-610 Displacer Type Liquid Level Switches and Proof-er ® Switches 37
ATEX
SPDT BLB BLK BD9
DPDT BOB BOK BG9
SPDT CLB CLK CD9
DPDT COB COK CG9
SPDT DLB DLK DD9
DPDT DOB DOK DG9
SPDT FLB FLK FD9
DPDT FOB FOK FG9
SPDT HMN HMP —
DPDT HMY HMZ —