UE 12 Series, Installation And Maintenance Instructions, Page: 3 / 4

IMP12-14
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3
Dimensions
dimensional drawings for all models may be found at www.ueonline.com
Standard Configuration
PRESSuRE SWITCH / CoNNECTIoN CHART
dimension “a” dimension “b” dimension “c”
Type Description Inches mm Inches mm Inches mm
2 1/2” nPt (female) 4.4 111.1 0.7 16.5 1-1/16 27.0
3, 5 1/2” nPt (female) 4.4 111.1 0.6 15.2 1-1/16 27.0
4, 6, 8 1/4” nPt (female) 4.4 111.1 0.6 15.2 1-1/16 27.0
7, 9 1/2” nPt (female) 4.0 100.3 1.6 40.6 1-1/8 28.6
P0-P9 1/4”nPt (female) 4.4 111.1 1.0 25.4 1-1/16 27.0
w1-w2 1/2”nPt (female) 4.0 100.3 2.2 55.9 1-1/16 27.0
w3-w4 1/2”nPt (female) 4.0 100.3 1.7 42.9 1-1/16 27.0
k1-k3 1/8”nPt (female) 4.4 111.1 1.7 42.9 n/a n/a
k4-k6 1/8”nPt (female) 4.4 111.1 1.8 44.5 n/a n/a
Option Description
M511 1/4” nPt (male) 1.1 27.9 1-1/16 27.0
M521 lf4 autoclave 1/4” (female) 1.2 29.7 1-1/16 27.0
M522 lM4 autoclave 1/4” (male) 1.4 34.8 1-1/16 27.0
M523 lf6 autoclave 3/8” (female) 1.4 36.1 1-1/16 27.0
M524 lM6 autoclave 3/8” (male) 1.5 38.4 1-1/16 27.0
M525 hf4 autoclave 1/4” (female) 1.2 29.7 1-1/16 27.0
M526 hM4 autoclave 1/4” (male) 1.3 32.8 1-1/16 27.0
M527 hf6 autoclave 3/8” (female) 1.4 36.1 1-1/16 27.0
M528 hM6 autoclave 3/8” (male) 1.5 37.6 1-1/16 27.0
xP112 1/2” nPt (female) 0.6 15.2 1-1/16 27.0
xP113 1/2” nPt (female) 0.6 15.2 1-1/16 27.0
xP114 1/4” nPt (female) 0.6 15.2 1-1/16 27.0
xP115 1/4” nPt (female) 0.6 15.2 1-1/16 27.0
Type 2, 3, 5 Type 4, 6, 8, P0-P9
Type 7, 9
Type K4-K6
Type K1-K3
Types K1-K3 and K4-K6 shown with mounting bracket attached
A
B
DIA.
1-1/4 [31.7mm]
FACTORY SEALED
LEADWIRES 72" LG.
E/C: ST/ST
1/2 NPT OR
M20 (METRIC)
ADJUSTMENT
ACCESS COVER
WRENCH DIM “C”
SLOTTED ADJUSTMENT SCREW,
(TURN SCREW CLOCKWISE TO INCREASE SET POINT)
DIA.
1 1/4 [31.7mm]
ADJUSTMENT
ACCESS COVER
SLOTTED ADJUSTMENT SCREW,
(TURN SCREW CLOCKWISE TO INCREASE SET POINT)
FOUR TERMINAL DIN CONNECTOR
(CONFORMS TO DIN 43650, FORM A)
2-3/4 [69.7mm]
1-1/2
[38.1mm] DIA.
TERMINALS
#1 COMMON
#2 NORMALLY CLOSED
#3 NORMALLY OPEN
GROUND
options M522,
M524, M526,
M528
Male autoclave feMale autoclave
Note:
does not meet div. 1 or 2,
or atex requirements.
Figure 3
option M511
(1/4” NPT male)
options XP112, XP113
(1/2” NPT female)
options XP114, XP115
(1/4” NPT female)
Differential Pressure Connections
option M515 DIN Connection
Figure 4
Pressure Connections
options M521,
M523, M525,
M527
Type W