Murphy Switch 45HE Series User Manual

®
45HE-95116B  
Revised 12-96  
Catalog Section 05/10/15  
(00-02-0221)  
FRANK W.  
MFR.  
®
4-1/2 in. (114 mm) Dial Size Hall Effect SWICHGAGE  
45HE Series  
Proven Hall Effect Switch Technology for  
Pressure, Temperature and Level Applications  
Easy-to-Adjust Alarm or Shutdown Set Points  
Normally Open or Normally Closed Systems  
Superior Switching Accuracy and Flexibility  
Ideal for DC Powered Solid State Controllers  
Tough Die Casted Aluminum Housing  
Explosion-Proof Case Available  
Description  
Applications  
Optional Features  
The 45HE Series SWICHGAGE® is a monitoring The 45HE Series SWICHGAGE® models accurate-  
and alarm/shutdown device for industrial require- ly and reliably measure, indicate and control pres-  
ments. It combines state-of-the-art Hall effect sure, temperature and level in applications such as  
switching and analog indication for Pressure, gas compressor control panels, pumping applica-  
Temperature or Level applications depending on tions, industrial process applications.  
Remote Transmitter Option (-P4)  
This factory-sealed, remote pressure transmitter  
protects the 45PHE sensing element from line pres-  
sures of highly viscous and mildly corrosive fluids.  
A 5 foot (1.5 m) stainless steel capillary tube trans-  
mits pressure from the diaphragm seal to the unit.  
A 1 NPTM plated steel pulsation dampener is  
included to help prevent damaging pulsation.  
the model used.  
45HE models are available for specific applications  
such as monitoring oil well lead lines, storage tank  
levels, automatic ON/OFF pump control, etc.  
The 45HE is ideal for use with DC powered solid  
state controllers because it operates with  
Normally Open or Normally Closed Systems  
from 4.5 to 28 VDC. 120 VAC On-Off control  
available in Latching Control Relay (BP) models.  
Most 45HE models are available in surface mount  
or panel mount case designs. Dials are dual scale,  
single scale, and custom dials are also available.  
Features  
Direct Transmitter Option (-P6)  
PLC and Solid State Compatible  
The Normally Open and Normally Closed ver-  
sions of the 45HE Series are suitable for Murphy  
(and others) solid state TATTLETALE® annunci-  
ators and logic controllers, PLC’s and micro-  
processor-based controllers.  
The -P6 option is the direct mounted version of the  
-P4 (remote transmitter option). This factory-  
sealed mechanism consists of a 2 NPTM plated  
steel diaphragm housing (304 stainless steel  
diaphragm housing is optional), which attaches  
directly to the 45PHE pressure SWICHGAGE®.  
Basic Operation  
Based on our proven OPL, SPL and OPLH Series  
SWICHGAGE® models, the 45HE Series includes  
two magnetic-field-actuated PowerHall* transis-  
tors. When the magnetized indicating pointer  
meets one of the  
Low Switch Start-Up Override  
A standard toggle switch is provided (N.O. and N.C. Explosion-proof Option (-EX)  
surface mounted models) to override the low switch  
during equipment start-up.  
Most 45HE Series SWICHGAGE® devices are  
available with an explosion-proof case for haz-  
ardous applications.  
Fingertip  
Adjustable  
Trip Point  
PowerHall*  
Transistor  
Latching Control Relay (BP Model)  
The 45HEBP Series includes a latching control  
relay for automatic ON/OFF control, either direct-  
ly or through a motor starter.  
Hall effect devices,  
the corresponding  
alarm or shutdown  
transistor output  
signal becomes  
active. The 45HE  
trip points are fin-  
gertip adjustable.  
15  
10  
20  
Freeze-proof Sensing (FP Model)  
A freeze-proof sensing device is available for the  
45LHE Series level SWICHGAGE®. The freeze-  
proof device inserts directly into the tank wall.  
The 45LHEFP sensor is stainless steel with a  
Buna-N rolling diaphragm.  
100  
120  
80  
60  
140  
Warranty  
160  
A two-year limited warranty on materials and  
workmanship is given with this Murphy product.  
Details are available on request and are packed  
with each unit.  
Magnetized  
Indicating  
Pointer  
* Allegro MicroSystems, Inc., registered trademark.  
 
Dimensions  
Surface Mount 45PHE and 45LHE Series  
Panel Mount 45PHEF and 45LHEF Series  
8-7/16 in.  
(214 mm)  
3-3/8 in.  
(86 mm)  
5-7/16 in.  
(138 mm)  
2-57/64 in.  
(73 mm)  
Panel Mount  
Square Case  
models  
do not  
3-15/16 in.  
(100 mm)  
*
4-1/32 in.  
(102 mm)  
120  
120  
include  
mounting  
flange  
1/2 in.  
(13 mm)  
conduit  
120  
Mounting Hole  
4-3/4 in.  
(121 mm)  
diameter.  
1/4 in. (6 mm) dia.  
holes (3 places.) on  
5-13/64 in. (132 mm)  
b.c. (bolt circle),  
120 apart, clocking  
as shown  
Optional conduit  
and -ES Option  
1/2 in. (13 mm)  
7-7/8 in.  
(200 mm)  
9/32 in.  
(7 mm) dia.  
3 places  
45PHEE, 45LHEE, 45PHENCE, 45LHENCE, 45PHEBPE and 45LHEBPE models  
feature square case, but altered to fit standard round panel mounting–not pictured.  
*
Surface Mount 45THE Series  
Panel Mount 45THEF Series  
8-7/16 in.  
3-3/8 in.  
5-7/16 in.  
(138 mm)  
2-57/64 in.  
(73 mm)  
(214 mm)  
(86 mm)  
Panel Mount  
3-15/16 in.  
(100 mm)  
Square Case  
**  
models  
do not  
4-1/32 in.  
(102 mm)  
120  
120  
include  
mounting  
flange  
1/2 in.  
(13 mm)  
conduit  
120  
Mounting Hole  
4-3/4 in.  
(121 mm)  
diameter.  
Optional  
coduit  
and -ES  
Option,  
1/2 in.  
1/4 in. (6 mm) dia.  
holes (3 places.) on  
5-13/64 in. (132 mm)  
b.c. (bolt circle),  
120 apart, clocking  
as shown  
7-7/8 in.  
(200 mm)  
9/32 in.  
(13 mm)  
(7 mm) dia.  
3 places  
Temperature Sensing Bulb  
1/2 NPT  
7 in.  
(178 mm)  
45THEE, 45THENCE and 45THEBPE versions feature square case,  
but altered to fit standard round panel mounting–not pictured.  
**  
Bulb Minimum Insertion  
Compression Nut  
Explosion-proof -EX Option  
45LHEFP Freeze-proof  
6-25/64 in.  
(162 mm)  
8 in.  
(203 mm)  
10-13/16 in.  
(275 mm)  
4-1/8 in.  
1/2 NPT  
optional  
rear or side  
conduit  
(105 mm)  
3-3/8 in.  
(86 mm)  
8 in.  
(203 mm)  
6-3/4 in.  
(171 mm)  
3/8-16 UNC-2B  
thread  
7/8 in. (22 mm)  
deep, 8 plc's  
Process  
Connection  
2 NPT  
13/32 in.  
(10 mm)  
diameter  
4 places  
7-35/64 in.  
3-3/8 in.  
(192 mm) dia.  
(86 mm)  
Surface Mounted Case  
Mounting hole required  
for Panel mount models  
6-3/4 in. (171 mm)  
 
How to Order  
Specify model number. List options in alphabetical order (A to Z). Place a dash (–) between each option. See example below.  
45PHE – R – 2 – 30 – CC  
Base Models for Pressure  
Pressure/Vacuum Range/Scale  
45PHE (surface mount)  
45PHENC (surface)  
Options  
BC = Back connected  
bourdon tube  
CC = Conduit connection  
ES = Environmentally sealed  
EX = Explosion-proof  
EL = Explosion-proof less case  
LC = Less case  
30" vac - 0 psi  
30" vac - 15 psi  
30" vac - 30 psi  
30" vac - 100 psi  
30" vac - 200 psi  
30" vac - 300 psi  
0 - 15 psi  
30V  
-101 kPa - 0 kPa  
-101 kPa - 103 kPa  
-101 kPa - 207 kPa  
-101 kPa - 689 kPa  
-101 kPa - 1.38 MPa  
-101 kPa - 2.07 MPa  
0 - 103 kPa  
45PHEF (panel mount)  
45PHEE (panel)  
45PHEFNC (panel)  
45PHENCE (panel)  
30V15  
30V30  
30V100  
30V200  
30V300  
15  
45PHEBP (surface)  
45PHEBPE (panel)  
Base Models for Temperature  
45THE (surface mount)  
45THENC (surface)  
0 - 30 psi  
30  
0 - 207 kPa  
45THEF (panel mount)  
45THEE (panel)  
45THEFNC (panel)  
45THENCE (panel)  
0 - 60 psi  
60  
0 - 414 kPa  
P4 = Pressure transmitter  
with 5 ft. (1.52 m)  
0 - 100 psi  
100  
0 - 689 kPa  
45THEBP (surface)  
45THEBPE (panel)  
0 - 160 psi  
160  
0 - 1.10 MPa  
P4L = Less pulsation dampener  
P6 = Pressure transmitter  
direct mount  
0 - 200 psi  
0 - 300 psi  
0 - 400 psi  
200  
300  
400  
0 - 1.38 MPa  
0 - 2.07 MPa  
0 - 2.76 MPa  
Base Models for Level  
P6S = Pressure transmitter direct  
mount, 304 st. st. housing  
RO = Restricting orifice  
SH = Stainless steel external  
hardware  
T3 = Tamperproof bezel/lens  
TS = Over/under range stop  
VR = Vapor recovery compensator  
45LHE (surface mount)  
45LHENC (surface)  
0 - 600 psi  
600  
0 - 4.14 MPa  
0 - 6.89 MPa  
45LHEF (panel mount)  
45LHEFNC (panel)  
0 - 1000 psi  
0 - 1500 psi  
0 - 2000 psi  
0 - 3000 psi  
0 - 5000 psi  
0 - 10,000 psi  
0 - 20,000 psi  
1000  
1500  
2000  
3000  
5000  
10000  
20000  
45LHEE (panel)  
45LHENCE (panel)  
0 - 10.34 MPa  
0 - 13.79 MPa  
0 - 20.68 MPa  
0 - 34.48 MPa  
0 - 68.95 MPa  
0 - 137.90 MPa  
45LHEBP (surface)  
45LHEBPE (panel)  
45LHEFP(freeze-proof)  
Bourdon Tube/Bellows  
A = Bronze bourdon tube with brass socket–up to 1000 psi.  
= Brass bellows (level models 20 ft./6.09 m. and below only).  
R = 316 Stainless steel bourdon tube with carbon steel socket.  
S = 316 Stainless steel bourdon tube and socket.  
Temperature (Specify one from each column)  
Temperature Range  
Capillary Type  
Capillary Length  
Specify in feet Specify in meters  
05 = 5 ft. (1.5 m) 1.5M = 1.5 m  
60 = -60 - 60°F (15.6°C)  
136 = 40 - 136°F (57.8°C)  
250 = 15 - 250°F (121°C)  
350 = 130 - 350°F (177°C)  
450 = 260 - 450°F (232°C)  
P = PVC Armor/Copper Capillary  
G = Galvanized/Copper Capillary  
S = Stainless St./St. St. Capillary  
T = Stainless St./Copper Capillary  
= 316 Stainless steel bellows movement.  
P = K” Monel bourdon tube with monel 400 socket  
(Special order. Check delivery and price.)  
A1 = 1/2 NPT–up to 1000 psi.  
10 = 10 ft. (3 m)  
2M = 2 m  
15 = 15 ft. (4.5 m) 2.5M = 2.5 m  
etc.  
etc.  
R1 = 1/2 NPT–up to 1000 psi.  
S1 = 1/2 NPT–up to 1000 psi.  
P1 = 1/2 NPT–up to 1000 psi.  
NOTES: Standard calibra-  
tion is for water–specify if  
other. To determine correct  
range, add TOTAL height  
of liquid above the pressure  
connection.  
For elevated tanks subtract  
tank elevation from gage  
reading to determine  
Level Range/Scale  
Specify in feet  
5**= 0 - 5 ft. (0-1.5 m) Dual scale  
10**= 0 - 10 ft. (0-3 m) Dual scale  
20**= 0 - 20 ft. (0-6 m) Dual scale  
30 = 0 - 30 ft. (0-9 m) Dual scale  
60 = 0 - 60 ft. (0-18 m) Dual scale  
120 = 0 - 120 ft. Single scale  
Specify in meters  
4M= 0 - 4 m Single scale  
3.5M= 0 - 3.5 m Single scale  
6M= 0 - 6 m Single scale  
90 = 0 - 9 m Single scale  
Latching Control Relay Voltage (for “BP” models only)  
Standard*(Do not specify) = 120 VAC systems.  
2 = 12 VDC systems.  
3 = 24 VAC systems.  
ACTUAL tank level.  
4 = 24 VDC systems.  
**Bellows actuated level models instead of bourdon tube.  
*
Includes transformer/rectifier 120VAC/24VAC.  
Features square case, but for panel mounting.  
In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time.  
Murphy de México, S.A. de C.V.  
Frank W. Murphy, Ltd.  
®
FRANK W.  
Blvd. Antonio Rocha Cordero 300, Fracción del Aguaje  
San Luis Potosí, S.L.P.; México 78384  
tel. +52-48-206264 fax +52-48-206336  
e-mail murmexsl@infosel.net.mx  
Church Rd.; Laverstock, Salisbury SP1 1QZ; U.K.  
tel. +44 1722 410055 fax +44 1722 410088 tlx 477088  
e-mail sales@fwmurphy.co.uk  
MFR.  
Since 1939  
Frank W. Murphy Manufacturer  
P.O. Box 470248; Tulsa, Oklahoma 74147; USA  
tel. (918) 627-3550 fax (918) 664-6146  
e-mail fwmurphy@ionet.net  
Frank W. Murphy Pte., Ltd.  
Murphy Switch of California  
26 Siglap Drive; Republic of Singapore 456153  
tel. +65 241-3166 fax +65 241-8382  
e-mail fwmsales@fwmurphy.com.sg  
P.O. Box 900788; Palmdale, California 93590; USA  
tel. (805) 272-4700 fax (805) 947-7570  
e-mail sales@murphyswitch.com  
Frank W. Murphy Southern Division  
P.O. Box 1819; Rosenberg, Texas 77471; USA  
tel. (281) 342-0297 fax (281) 341-6006  
e-mail murphysd@intertex.net  
Murphek Pty., Ltd.  
1620 Hume Highway; Campbellfield, Vic 3061; Australia  
tel. +61 3 9358-5555 fax +61 3 9358-5558  
Frank W. Murphy France  
tel. +33 1 30 762626 fax +33 1 30 763989  
Printed in U.S.A.  
 

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