Magnetrol T20 Series, Installation And Operating Manual

Page: 23 / 24

23 44-604 Top Mounting Liquid Level Switches
ELECTRIC SWITCH MECHANISM AND ENCLOSURE
Switch
Description
Process
➃
Temperature
Range
°F (°C)
Contacts
Set
Points
T21-1 Models T21-4 Models
TYPE 4X/7/9 Aluminum Enclosure
➄≈
Class I, Div 1
Groups C&D
Class I, Div 1
Group B
ATEX
Ex II 2 G EEx
d IIC T6
Class I, Div 1
Groups C&D
Class I, Div 1
Group B
ATEX
Ex II 2 G EEx
d IIC T6
Series B
Snap Switch
-40 to +250
(-40 to +121)
SPDT 2 BLA BLJ BDC BLB BLK BD9
DPDT 2 BOA BOJ BGC BOB BOK BG9
Series C
Snap Switch
-40 to +450
(-40 to +232)
SPDT 2 CLA CLJ CDC CLB CLK CD9
DPDT 2 COA COJ CGC COB COK CG9
Series D DC Current
Snap Switch
-40 to +250
(-40 to +121)
SPDT 2 DLB DLK DD9 DLB DLK DD9
DPDT 2 DOB DOK DG9 DOB DOK DG9
Series F
Hermetically Sealed
Snap Switch
-50 to +750
(-46 to +399)
SPDT 2 FLA FLJ FDC FLB FLK FD9
DPDT 2 FOA FOJ FGC FOB FOK FG9
Series HS
Hermetically Sealed
5-amp Snap Switch
with Wiring Leads
-50 to +550
➆
(-46 to +288)
SPDT 2 HMN
HMP
—
HMN HMP
—
DPDT 2 HMY
HMZ
HMY HMZ
Series R
High Temperature
Snap Switch
-40 to +750
(-40 to +399)
SPDT 2 RLB RLK RD9 RLB RLK RD9
DPDT 2 ROB ROK RG9 ROB ROK RG9
Series 8
Hermetically Sealed
Snap Switch
-50 to +750
(-46 to +399)
SPDT 2 8LA 8LJ 8DC 8LB 8LK 8D9
DPDT 2 8OA 8OJ 8GC 8OB 8OK 8G9
Series 9
High Temperature
Hermetically Sealed
Snap Switch
-50 to +750
(-46 to +399)
SPDT 2 9LA 9LJ 9DC 9LB 9LK 9D9
DPDT 2 9OA 9OJ 9GC 9OB 9OK 9G9
Switch
Description
Process
➃
Temp. Range
°F (°C)
Contacts
Set
Points
CS/Aluminum
Cast Iron
CS/Aluminum
Cast Iron
NEMA 4X
Class I, Div 1
Groups C&D
Class I, Div 1
Group B
NEMA 4X
Class I, Div 1
Groups C&D
Class I, Div 1
Group B
Series R
High Temperature
Snap Switch
-40 to +1000
(-40 to +538)
SPDT 2 R3M RLM RLW R3M RLM RLW
DPDT 2 REM ROM ROW REM ROM ROW
Series 9
High Temperature
Hermetically Sealed
Snap Switch
-50 to +1000
(-46 to +538)
SPDT 2 9BD 9LD 9LV 9BM 9LM 9LW
DPDT 2 9ED 9OD 9OV 9EM 9OM 9OW