UE 54 Series General Service OEM Switches
Prices starting at:
Price
$174.00
Call for Availability
SKU
54
Cost-effective pressure and temperature switches for OEM applications. Single or dual SPDT switch outputs, reference dial or hex adjustment, NEMA 1 enclosure or open frame skeleton construction. cUL, cULus listed, cURus recognized, CE compliant.
UE's 54 Series offers the OEM reliable performance and low cost in a single switch. Available in pressure and temperature versions, with single or dual SPDT outputs and enclosed or open frame (skeleton) construction, the 54 Series fits a wide variety of applications in medical, laboratory, fire protection, and heating equipment.
Low cost single SPDT output pressure and temperature switches are usually in stock at Lesman, available for immediate delivery. Aluminum pressure connections and Buna-N diaphragm and O-ring construction. Limited to use in process temperatures below 200°F.
- Single or dual SPDT or switch outputs
- Adjustable pressure setpoint ranges from 30" HgVac to 6000 PSI
- Adjustable temperature setpoint ranges from -130° to 650° F (-90° to 343.3° C)
- Repeatability to ±1% full scale range
- Easy setting by reference dial or hex screw adjustment
- Brass or aluminum threaded pressure connections
- Adjustable or narrow deadband for improved accuracy
- NEMA 1 polycarbonate enclosure or open frame (skeleton) construction
- cUL, cULus listed, cURus recognized, CE compliant
- Popular models and ranges normally available from Lesman stock, ready to ship within one business day
Model Selection Guide
Use this table to find the right model for your application. Don't see the option you need? Call a Lesman sales specialist at 800-953-7626.
| Switch Output |
Enclosure/ Construction |
Adjustment | Reference Dial |
Pressure Connection |
Adjustable Range (PSI Unless Noted) |
Deadband (PSI Unless Noted) |
Proof Pressure (PSI) |
Click for Price and Availability |
|---|---|---|---|---|---|---|---|---|
| Type H54, J54/J54A: Lexan® polycarbonate enclosure. Buna-N diaphragm and O-ring, aluminum pressure connection. | ||||||||
| 1 SPDT | NEMA 1 | Internal Hex | Yes | 1/4" NPTM Aluminum |
30" HgVac to 0 3 to 30 10 to 100 30 to 300 50 to 500 |
1" to 3.5" Hg Vac 0.4 to 1.5 1.0 to 2.5 1.3 to 4 1.5 to 6 |
50 200 300 600 600 |
H54-22 H54-24 H54-25 H54-27 H54-28 |
| 1 SPDT | NEMA 1 | Internal Hex | No | 1/4" NPTM Aluminum |
30" HgVac to 0 3 to 30 10 to 100 30 to 300 50 to 500 |
1" to 3.5" Hg Vac 0.4 to 1.5 1.0 to 2.5 1.3 to 4 1.5 to 6 |
50 200 300 600 600 |
J54-22 J54-24 J54-25 J54-27 J54-28 |
| 2 SPDT | NEMA 1 | Internal Hex | No | 1/4" NPTM Aluminum |
30" HgVac to 0 3 to 30 10 to 100 30 to 300 50 to 500 |
1" to 3.5" Hg Vac 0.4 to 1.5 1.0 to 2.5 1.3 to 4 1.5 to 6 |
50 200 300 600 600 |
J54A-22 J54A-24 J54A-25 J54A-27 J54A-28 |
| Type H54, J54/J54A: Lexan® polycarbonate enclosure. Brass bellows, nickel-plated brass pressure connection. (* Zinc-plated steel spring exposed to media.) | ||||||||
| 1 SPDT | NEMA 1 | Internal Hex | Yes | 1/4" NPTM Brass |
30" HgVac to 0 0" to 80" WC 0 to 20 0 to 30 0 to 100 0 to 200 |
0.2" to 0.9" Hg 1" to 8" WC 0.1 to 0.5 0.1 to 0.6 0.2 to 0.8 0.3 to 2 |
5 5 25 40 125 200 |
H54-126* H54-137 H54-144 H54-146 H54-156 H54-164 |
| 1 SPDT | NEMA 1 | Internal Hex | No | 1/4" NPTM Brass |
30" HgVac to 0 0" to 80" WC 0 to 20 0 to 30 0 to 50 0 to 100 0 to 200 |
0.2" to 0.9" Hg 1" to 8" WC 0.1 to 0.5 0.1 to 0.6 0.1 to 0.7 0.2 to 0.8 0.3 to 2 |
5 5 25 40 75 125 200 |
J54-126* J54-137 J54-144 J54-146 J54-152 J54-156 J54-164 |
| 2 SPDT | NEMA 1 | Internal Hex | No | 1/4" NPTM Brass |
30" HgVac to 0 0" to 80" WC 0 to 20 0 to 30 0 to 50 0 to 100 0 to 200 |
0.2" to 0.9" Hg 1" to 8" WC 0.1 to 0.5 0.1 to 0.6 0.1 to 0.7 0.2 to 0.8 0.3 to 2 |
5 5 25 40 75 125 200 |
J54A-126* J54A-137 J54A-144 J54A-146 J54A-152 J54A-156 J54A-164 |
| Type J54: Lexan® polycarbonate enclosure. Buna-N diaphragm and O-ring, brass pressure connection. Includes adjustable deadband microswitch. | ||||||||
| 1 SPDT | NEMA 1 | Hex | No | 1/4" NPTM Brass |
30 to 300 | 10 to 30 | 200 Above SP | J54-16009 |
| Type J54: Lexan® polycarbonate enclosure. 303 SS piston and pressure connection, Buna-N O-ring. (Not for gas service) | ||||||||
| 1 SPDT | NEMA 1 | Internal Hex | No | 1/4" NPTF | 75 to 1000 125 to 3000 700 to 6000 |
30 to 150 40 to 250 50 to 400 |
10000 10000 10000 |
J54-610 J54-612 J54-614 |
| Type H54S/J54S: Skeleton construction. Buna-N diaphragm and O-ring, aluminum pressure connection | ||||||||
| 1 SPDT | Skeleton | No | Yes | 1/4" NPTM Aluminum |
30" HgVac to 0 3 to 30 10 to 100 30 to 300 50 to 500 |
1" to 3.5" Hg Vac 0.4 to 1.5 1.0 to 2.5 1.3 to 4 1.5 to 6 |
50 200 300 600 600 |
H54S-22 H54S-24 H54S-25 H54S-27 H54S-28 |
| 1 SPDT | Skeleton | Hex | No | 1/4" NPTM Aluminum |
30" HgVac to 0 3 to 30 10 to 100 30 to 300 50 to 500 |
1" to 3.5" Hg Vac 0.4 to 1.5 1.0 to 2.5 1.3 to 4 1.5 to 6 |
50 200 300 600 600 |
J54S-22 J54S-24 J54S-25 J54S-27 J54S-28 |
| 2 SPDT | Skeleton | Hex | No | 1/4" NPTM Aluminum |
30" HgVac to 0 3 to 30 10 to 100 30 to 300 50 to 500 |
1" to 3.5" Hg Vac 0.4 to 1.5 1.0 to 2.5 1.3 to 4 1.5 to 6 |
50 200 300 600 600 |
J54AS-22 J54AS-24 J54AS-25 J54AS-27 J54AS-28 |
| Type H54S, J54S/J54AS: Skeleton construction. Brass bellows, nickel-plated brass pressure connection. (Model 126 has zinc-plated steel spring exposed to media.) | ||||||||
| 1 SPDT | Skeleton | Internal Hex | Yes | 1/4" NPTM Brass |
30" HgVac to 0 0" to 80" WC 0 to 20 0 to 30 0 to 100 0 to 200 |
0.2" to 0.9" Hg 1" to 8" WC 0.1 to 0.5 0.1 to 0.6 0.2 to 0.8 0.3 to 2 |
5 5 25 40 125 200 |
H54S-126 H54S-137 H54S-144 H54S-146 H54S-156 H54S-164 |
| 1 SPDT | Skeleton | Internal Hex | No | 1/4" NPTM Brass |
30" HgVac to 0 0" to 80" WC 0 to 20 0 to 30 0 to 50 0 to 100 0 to 200 |
0.2" to 0.9" Hg 1" to 8" WC 0.1 to 0.5 0.1 to 0.6 0.1 to 0.7 0.2 to 0.8 0.3 to 2 |
5 5 25 40 75 125 200 |
J54S-126 J54S-137 J54S-144 J54S-146 J54S-152 J54S-156 J54S-164 |
| 2 SPDT | Skeleton | Internal Hex | No | 1/4" NPTM Brass |
30" HgVac to 0 0" to 80" WC 0 to 20 0 to 30 0 to 50 0 to 100 0 to 200 |
0.2" to 0.9" Hg 1" to 8" WC 0.1 to 0.5 0.1 to 0.6 0.1 to 0.7 0.2 to 0.8 0.3 to 2 |
5 5 25 40 75 125 200 |
J54AS-126 J54AS-137 J54AS-144 J54AS-146 J54AS-152 J54AS-156 J54AS-164 |
| Type J54S: Skeleton construction. Buna-N diaphragm and O-ring, brass pressure connection. Includes adjustable deadband microswitch. | ||||||||
| 1 SPDT | Skeleton | Hex | No | 1/4" NPTM Brass |
30 to 300 | 10 to 30 | 200 Above SP | J54S-16008 |
| Type J54S: Skeleton construction. Welded 316L stainless steel bellows. | ||||||||
| 1 SPDT | Skeleton | Hex | No | 1/2" NPTF 316SS | 4 to 200 | 0.2 to 1 | 200 | J54S-S164B |
| Switch Output |
Enclosure/ Construction |
Adjustment | Reference Dial |
Stem
NPT x Length Below Thread |
Adjustable Range | Max. Temperature °F/°C |
Scale Division |
Click for Price and Availability |
|||
|---|---|---|---|---|---|---|---|---|---|---|---|
| °F | °C | °F | °C | °F | °C | ||||||
| Type B54, C54/C54A: Lexan® polycarbonate enclosure. Brass immersion stem. | |||||||||||
| 1 SPDT | NEMA 1 | Internal | Yes | 3/8" x 2-1/8" | 0 to 225 200 to 425 |
-17.8 to 107.2 93.3 to 218.3 |
250 425 |
121.1 218.3 |
10 10 |
5 5 |
B54-103 B54-109 |
| 1 SPDT | NEMA 1 | Internal Hex | No | 3/8" x 2-1/8" | 0 to 225 200 to 425 |
-17.8 to 107.2 93.3 to 218.3 |
250 425 |
121.1 218.3 |
– – |
– – |
C54-103 C54-109 |
| 2 SPDT | NEMA 1 | Internal Hex | No | 3/8" x 2-1/8" | 0 to 225 200 to 425 |
-17.8 to 107.2 93.3 to 218.3 |
250 425 |
121.1 218.3 |
– – |
– – |
C54A-103 C54A-109 |
| Type B54S, C54S/C54AS: Skeleton construction. Brass immersion stem. | |||||||||||
| 1 SPDT | Skeleton | Yes | Yes | 3/8" x 2-1/8" | 0 to 225 200 to 425 |
-17.8 to 107.2 93.3 to 218.3 |
250 425 |
121.1 218.3 |
10 10 |
5 5 |
B54S-103 B54S-109 |
| 1 SPDT | Skeleton | Hex | No | 3/8" x 2-1/8" | 0 to 225 200 to 425 |
-17.8 to 107.2 93.3 to 218.3 |
250 425 |
121.1 218.3 |
– – |
– – |
C54S-103 C54S-109 |
| 2 SPDT | Skeleton | Hex | No | 3/8" x 2-1/8" | 0 to 225 200 to 425 |
-17.8 to 107.2 93.3 to 218.3 |
250 425 |
121.1 218.3 |
– – |
– – |
C54AS-103 C54AS-109 |
| Switch Output |
Enclosure/ Construction |
Adjustment | Reference Dial |
Bulb Size (OD) x Stem Length |
Adjustable Range | Max. Temperature °F/°C |
Scale Division |
Click for Price and Availability |
|||
|---|---|---|---|---|---|---|---|---|---|---|---|
| °F | °C | °F | °C | °F | °C | ||||||
| E54/F54: Lexan® polycarbonate enclosure. Copper bulb and 6-foot capillary. | |||||||||||
| 1 SPDT | NEMA 1 | Internal | Yes | 3/8" x 4-1/2" 3/8" x 7" 3/8" x 4-1/2" 3/8" x 3-3/4" |
-130 to 120 0 to 150 50 to 300 150 to 650 |
-90 to 48.9 -17.8 to 65.6 10 to 148.9 65.6 to 343.3 |
170 200 350 700 |
76.7 93.3 176.7 371.1 |
10 5 10 25 |
5 5 5 10 |
E54-D20BC E54-D21BC E54-D22BC E54-D23BC |
| 1 SPDT | NEMA 1 | Internal Hex | No | 3/8" x 4-1/2" 3/8" x 7" 3/8" x 4-1/2" 3/8" x 3-3/4" |
-130 to 120 0 to 150 50 to 300 150 to 650 |
-90 to 48.9 -17.8 to 65.6 10 to 148.9 65.6 to 343.3 |
170 200 350 700 |
76.7 93.3 176.7 371.1 |
– – – – |
– – – – |
F54-D20BC F54-D21BC F54-D22BC F54-D23BC |
| E54/F54: Lexan® polycarbonate enclosure. Stainless steel bulb and 6-foot capillary. | |||||||||||
| 1 SPDT | NEMA 1 | Internal | Yes | 3/8" x 4-3/4" 3/8" x 7-1/4" 3/8" x 4-3/4" 3/8" x 4" |
-130 to 120 0 to 150 50 to 300 150 to 650 |
-90 to 48.9 -17.8 to 65.6 10 to 148.9 65.6 to 343.3 |
170 200 350 700 |
76.7 93.3 176.7 371.1 |
10 5 10 25 |
5 5 5 10 |
E54-D20BS E54-D21BS E54-D22BS E54-D23BS |
| 1 SPDT | NEMA 1 | Internal Hex | No | 3/8" x 7" 3/8" x 4-1/2" 3/8" x 3-3/4" |
0 to 150 50 to 300 150 to 650 |
-17.8 to 65.6 10 to 148.9 65.6 to 343.3 |
200 350 700 |
93.3 176.7 371.1 |
– – – |
– – – |
F54-D21BS F54-D22BS F54-D23BS |
| E54S/F54S: Skeleton construction. Copper bulb and 6-foot capillary. | |||||||||||
| 1 SPDT | Skeleton | Yes | Yes | 3/8" x 4-1/2" 3/8" x 7" 3/8" x 4-1/2" 3/8" x 3-3/4" |
-130 to 120 0 to 150 50 to 300 150 to 650 |
-90 to 48.9 -17.8 to 65.6 10 to 148.9 65.6 to 343.3 |
170 200 350 700 |
76.7 93.3 176.7 371.1 |
10 5 10 25 |
5 5 5 10 |
E54S-D20BC E54S-D21BC E54S-D22BC E54S-D23BC |
| 1 SPDT | Skeleton | Hex | No | 3/8" x 4-1/2" 3/8" x 7" 3/8" x 4-1/2" 3/8" x 3-3/4" |
-130 to 120 0 to 150 50 to 300 150 to 650 |
-90 to 48.9 -17.8 to 65.6 10 to 148.9 65.6 to 343.3 |
170 200 350 700 |
76.7 93.3 176.7 371.1 |
– – – – |
– – – – |
F54S-D20BC F54S-D21BC F54S-D22BC F54S-D23BC |
| E54S/F54S: Skeleton construction. Stainless steel bulb and 6-foot capillary. | |||||||||||
| 1 SPDT | Skeleton | Yes | Yes | 3/8" x 4-3/4" 3/8" x 7-1/4" 3/8" x 4-3/4" 3/8" x 4" |
-130 to 120 0 to 150 50 to 300 150 to 650 |
-90 to 48.9 -17.8 to 65.6 10 to 148.9 65.6 to 343.3 |
170 200 350 700 |
76.7 93.3 176.7 371.1 |
10 5 10 25 |
5 5 5 10 |
E54S-D20BS E54S-D21BS E54S-D22BS E54S-D23BS |
| 1 SPDT | Skeleton | Hex | No | 3/8" x 7" 3/8" x 4-1/2" 3/8" x 3-3/4" |
0 to 150 50 to 300 150 to 650 |
-17.8 to 65.6 10 to 148.9 65.6 to 343.3 |
200 350 700 |
93.3 176.7 371.1 |
– – – |
– – – |
F54S-D21BS F54S-D22BS F54S-D23BS |
| SIL-Rated | No |
|---|---|
| Measured Variable | Gauge Pressure, Vacuum/Compound Pressure, Temperature |
| Enclosure/Construction | Skeleton (Open Frame) Construction, NEMA 1 |
| Switch Output | SPDT, Dual SPDT |
| Sensor Type | Bellows, Diaphragm, Piston, Immersion Stem, Bulb and Capillary |
| Adjustment | Hex Adjustment, Reference Scale/Dial |