46-622 Series 3 Liquid Level Switches ASME B31.3 Construction
31
5.4 Model Numbers
➇
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
1 BKA BKJ BCC BKB BKK BC9
2 BLA BLJ BDC BLB BLK BD9
3 BMA BMJ BEC BMB BMK BE9
DPDT
1 BNA BNJ BFC BNB BNK BF9
2 BOA BOJ BGC BOB BOK BG9
Series C
Snap Switch
-40 to +450
(-40 to +232)
SPDT
1 CKA CKJ CCC CKB CKK CC9
2 CLA CLJ CDC CLB CLK CD9
3 CMA CMJ CEC CMB CMK CE9
DPDT
1 CNA CNJ CFC CNB CNK CF9
2 COA COJ CGC COB COK CG9
Series D DC Current
Snap Switch
-40 to +250
(-40 to +121)
SPDT
1 DKB DKK DC9 DKB DKK DC9
2 DLB DLK DD9 DLB DLK DD9
3 DMB DMK DE9 DMB DMK DE9
DPDT
1 DNB DNK DF9 DNB DNK DF9
2 DOB DOK DG9 DOB DOK DG9
Series F
Hermetically Sealed
Snap Switch
-50 to +750
(-46 to +399)
SPDT
1 FKA FKJ FCC FKB FKK FC9
2 FLA FLJ FDC FLB FLK FD9
DPDT
1 FNA FNJ FFC FNB FNK FF9
2 FOA FOJ FGC FOB FOK FG9
Series HS ➈
Hermetically Sealed
5-amp Snap Switch
with Wiring Leads
-50 to +550
(-46 to +288)
➉
SPDT
1 HMJ HMK
N/A
HMJ HMK
N/A
2 HMN HMP HMN HMP
DPDT
1 HMS HMT HMS HMT
2 HMY HMZ HMY HMZ
Series HS ➈
Hermetically Sealed
5-amp Snap Switch
with Terminal Block
-50 to +550
(-46 to +288)
➉
SPDT 1 HM3 HM4 HA9 HM3 HM4 HA9
DPDT 1 HM7 HM8 HB9 HM7 HM8 HB9
Series R
High Temperature
Snap Switch
-40 to +750
(-40 to +399)
SPDT
1 RKB RKK RC9 RKB RKK RC9
2 RLB RLK RD9 RLB RLK RD9
DPDT
1 RNB RNK RF9 RNB RNK RF9
2 ROB ROK RG9 ROB ROK RG9
Series 8
Hermetically Sealed
Snap Switch
-50 to +750
(-46 to +399)
SPDT
1 8KA 8KJ 8CC 8KB 8KK 8C9
2 8LA 8LJ 8DC 8LB 8LK 8D9
3 8MA 8MJ 8EC 8MB 8MK 8E9
DPDT
1 8NA 8NJ 8FC 8NB 8NK 8F9
2 8OA 8OJ 8GC 8OB 8OK 8G9
Series 9
High Temperature
Hermetically Sealed
Snap Switch
-50 to +750
(-46 to +399)
SPDT
1 9KA 9KJ 9CC 9KB 9KK 9C9
2 9LA 9LJ 9DC 9LB 9LK 9D9
3 9MA 9MJ 9EC 9MB 9MK 9E9
DPDT
1 9NA 9NJ 9FC 9NB 9NK 9F9
2 9OA 9OJ 9GC 9OB 9OK 9G9
➇
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
1
N/A N/A
R1M RKM RKW
2 R3M RLM RLW
DPDT
1 RDM RNM RNW
2 REM ROM ROW
Series 9
High Temperature
Hermetically Sealed
Snap Switch
-50 to +1000
(-46 to +538)
11
SPDT
1 9AD 9KD 9KV 9AM 9KM 9KW
2 9BD 9LD 9LV 9BM 9LM 9LW
3 9CD 9MD 9MV 9CM 9MM 9MW
DPDT
1 9DD 9ND 9NV 9DM 9NM 9NW
2 9ED 9OD 9OV 9EM 9OM 9OW
➇ Process temperature based on +100 °F (+38 °C) ambient.
➈ HS switches can be used with only materials of construction code 1 on
models V35 & Z35
➉ On condensing applications, temperature down-rated to +400 °F (+204 °C)
process at +100 °F (+38 °C) ambient.
➉ Consult factory for temperatures above +842 °F (+450 °C)
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