background image

Case: Die casted aluminum, 
Dial: 4-1/2 in. (114 mm), white on black background.
Sensing Element: Bronze bourdon tube standard; 316 stainless steel or monel

are optional. 45LHEA and 45LHE Level models up to 20 ft. (6.09 m) brass
bellows is standard; stainless steel bellows is optional (see page 4).

Geared Movement: 302 and 304 stainless steel.
Lens: Clear Polycarbonate, UV stabilized, fog and scratch resistant.
SWICHGAGE

®

Sensor: PowerHall; outputs negative signal

(sinking transistor output) rated: 300 mA continuous. 

SWICHGAGE

®

Set Points: 2-fingertip adjustable, visible on face-dial. 

SWICHGAGE

®

Electrical Connection:

Surface Mount Case: Terminal block; 1/2 NPTF conduit connection.
Panel Mount Case: Wire leads, 18 AWG x 8 in. (1.0 mm

2

x 203 mm);

1/2 NPTM conduit connection.

Optional Conduit Connection: 24 AWG x 8 in. (0.22 mm

2

x 203 mm);

1/2 NPTM conduit connection.

Operating Temperature: -40 to 185°F (-40 to +85°C). 
Storage Temperature: -77 to 185°F (-60 to 85°C). 
Power Input: 4.5 to 28 VDC; 120 VAC/24VDC for Latching Control 

Relay (BP) models with built-in transformer/rectifier.

Overrange: Do not exceed 30% above full range (all models).

Pressure Models Sensing Connection: Bottom connection 1/4 NPTM thru

1000 psi (6.89 MPa) [68.9 bar], or 1/2 NPTM 1500 psi (10.3 MPa) [103 bar]
thru 20,000 psi (137 MPa) [1378 bar], back connection optional.

Pressure Models Accuracy: ± 2% for the first and last quarters of the scale,

the middle half of scale is ±1%.

Temperature Models Sensing Connections:

Capillary: 5 feet (1.5 m) PVC armored copper tube, standard.

(Other options available see “How to Order” section, page 4).

Sensing Bulb: Copper, 1/2 in. (13 mm) O.D. x 7 in. (178 mm) length;

600 psi (4.14 MPa) [41.37 bar] pressure rating, for higher pressure 
ratings the use of thermowell is recommended.

Sensing Bulb Connection: 1/2 NPTM.

Level Models Sensing Connections:

45LHE, 45LHEFBottom connection 1/4 NPTM.
Bellows Mov. Models (up to 20 ft. [6 m] range): Bottom connection 1/4 NPTF.
45LHEFP: 2 NPTM back connection.

Level Models Accuracy:  ± 2% for the first and last quarters of the scale,

the middle half of scale is ±1%.

Specifications

Internal Wiring 

Temperature Models Accuracy

-60 to 60°F

± 2°F

± 2°F

± 2°F

(-51 to 16°C)

(± 1°C)

(± 1°C)

(± 1°C)

-40 to 136°F

± 4°F

± 2°F

± 2°F

(-40 to 58°C)

(± 2°C)

(± 1°C)

(± 1°C)

15 to 250°F

± 8°F

± 2°F

± 2°F

(9 to 121°C)

(± 4°C)

(± 1°C)

(± 1°C)

130 to 350°F

± 8°F

± 2°F

± 3°F

(60 to 180°C)

(± 4°C)

(± 1°C)

(± 1.5°C)

260 to 450°F

± 8°F

± 2°F

± 3°F

(127 to 232°C)

(± 4°C)

(± 1°C)

(± 1.5°C)

Temperature Range

Lower 

1

/

4

Middle 

1

/

2

Upper 

1

/

4

3

1

Note 1

White

Red

Green

Black

2

4

+ –

+ –

Low

High

= 26 AWG (0.12 mm

2

)

Red= Positive Power Input
Green= Negative Power Input
White= Low Transistor Sinking Output
Black= High Transistor Sinking Output

Customer
Connections
12 or 24 VDC

7

9

6

A

5

B

8

3

4

1

Red

White

Red 

Red

= 16 AWG (1.5 mm

2

)

= 26 AWG (0.12 mm

2

)

Brown

Relay Coils

Yellow

Blue

Green

Green

Black

Black

1

2

4

5

3

Green

Red

+

 

--

+

+

Set

Reset

Low

High

Contacts Shown Reset

(Low Limit has been Met)

45PHE, 45THE and

45LHE  Series

Customer
Connections
120 VAC

7

9

6

8

3

4

1

Red

White

White

Black

Full Wave
Rectifier

Low

High

Contacts Shown Reset

(Low Limit has been Met)

= 18 AWG (1.0 mm

2

)

Brown

Yellow

Blue

Green

Black

Black

1

2

4

5

3

Green

Red

Red 

= 16 AWG (1.5 mm

2

)

= 26 AWG (0.12 mm

2

)

+ –

+ –

N

H

7

9

A

5

B

4

1

Relay Coils

Set

Reset

3

1

2

4

Note 2

White

Red

Green

Black

+ –

+ –

Low

High

= 26 AWG (0.12 mm

2

)

Red= Positive Power Input
Green= Negative Power Input
White= Low Transistor Sinking Output
Black= High Transistor Sinking Output

45PHENC, 45THENC

and 45LHENC Series

45PHEBP, 45THEBP and 

45LHEBP Series (12/24 VDC)

Hall Effect Sensors Ratings:

300 mA continuous

45PHEBP, 45THEBP and

45LHEBP Series (120 VAC)

Note 1:

Start/Run Switch; Open for Start, 

Closed for Run (surface mount models only).

Note 2: 

Start/Run Switch; Closed for Start, 

Open for Run (surface mount models only).

Latching Relay Contact Ratings:

SPDT Dry Relay Contacts, 10 A @ 120 VAC

Important information:

When using the 45HE SWICHGAGE

®

with inductive loads, we recommend installing a suppression diode across all coil(s). 

Reviews: