22
46-620 B73 & Series 75 Liquid Level Switches
Maximum
Maximum
Bleed
Models with
Supply
Process
Orifice
Material of Construction
Switch
Pressure
Temperature
Diameter
Code 1
Code 2, 3 or 4
Description
psig
bar
° F
° C
inches
mm
NEMA 1
NEMA 1
Series J
100
7
400
204
.063
1.6
JDG
JDE
Bleed Type
60
4
400
204
.094
2.3
JEG
JEE
60
4
450
232
.055
1.4
JFG
JFE
Series K
100
7
400
204
—
—
—
KOE
Non-Bleed
40
3
400
204
—
—
KOG
—
PNEUMATIC SWITCH MECHANISM AND ENCLOSURE
ELECTRIC SWITCH MECHANISM AND ENCLOSURE
Switch Description
Process
Temperature
Range °F (°C)
One Set Point
Contacts
Model B73-1 Only
Models B73-2, B73-3, B74-4
NEMA 4X/7/9 Aluminum Enclosure
Class I, Div 1
Groups
C & D
Class I, Div 1
Groups
B, C & D
ATEX
Class I, Div 1
Groups
C & D
Class I, Div 1
Groups
B, C & D
ATEX
Series A Mercury
-20 to +450
(-29 to +232)
SPDT
AKP
ANP
AKT
ANT
AAC
ABC
AKQ
ANQ
AKS
ANS
AA9
AB9
DPDT
Series B Snap
-40 to +250
(-40 to +121)
SPDT
BKP
BNP
BKT
BNT
BAC
BBC
BKQ
BNQ
BKS
BNS
BA9
BB9
DPDT
Series C Snap
-40 to +450
(-40 to +232)
SPDT
CKP
CNP
CKT
CNT
CAC
CBC
CKQ
CNQ
CKS
CNS
CA9
CB9
DPDT
Series D Snap
-40 to +250
(-40 to +121)
SPDT
n/a
DKQ
DNQ
DKS
DNS
DA9
DB9
DPDT
Series E
Vibration Resistant Mercury
-20 to +450
(-29 to +232)
SPDT
EKP
EKT
EAC
EKQ
EKS
EA9
DPDT
ENP
ENT
EBC
ENQ
ENS
EB9
Series F
Hermetically Sealed Snap
-50 to +450
(-46 to +232)
SPDT
FKP
FKT
FAC
FKQ
FKS
FA9
DPDT
FNP
FNT
FBC
FNQ
FNS
FB9
Series HS
Hermetically Sealed 5 amp
Snap with wiring leads
-50 to +450
(-46 to +232)
SPDT
n/a
HMC
HEK
n/a
DPDT
n/a
HMF
HET
n/a
Series HS
Hermetically Sealed 5 amp
Snap with terminal block
-50 to +450
(-46 to +232)
SPDT
n/a
HM3
HM4
HA9
DPDT
n/a
HM7
HM8
HB9