Description
UE J400K-457 Differential Pressure Switch 3-30 PSID Single Output 15A 480VAC
Differential pressure switch manufactured by United Electric Controls. Monitors pressure differential between two points and triggers a single output contact when setpoint is reached. Rated for 15A at 480VAC operation.
Specifications & What's Included
- Operating Range: 3 to 30 PSID (0.2 to 2.1 bar)
- Proof Pressure: 225 PSI (15.5 bar)
- Deadband: 0.1 - 0.4 PSI
- Electrical Rating: 15A 480VAC, Single Output
- Pressure Connection: 1/2 in NPT (female)
- Electrical Connection: 3/4 in NPT plus two 7/8 in knockouts
- Wetted Materials: Aluminum, Buna-N
- Certifications: UL Listed 549A, CE, FM Approved
- Unit only; no accessories included
Applications
Differential pressure switches monitor filter clogging, pump discharge conditions, and system pressure differentials in HVAC, industrial process control, and compressed air systems. Commonly used in manufacturing facilities, compressor stations, and industrial refrigeration. Internal setpoint adjustment allows configuration for specific application requirements.
Condition: Used
This UE J400K-457 Differential Pressure Switch has been inspected and appears to be in good used condition. The blue aluminum enclosure is intact with no cracks or significant damage. The 1/2 in NPT pressure port fittings show minor surface oxidation and light wear consistent with prior installation, as visible in the photos. Wiring leads are present. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
This UE J400K-457 Differential Pressure Switch has been inspected and appears to be in good used condition. The blue aluminum enclosure is intact with no cracks or significant damage. The 1/2 in NPT pressure port fittings show minor surface oxidation and light wear consistent with prior installation, as visible in the photos. Wiring leads are present. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
Warranty Information
We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information
Brand: |
United Electric Controls |
Model: |
J400K-457 |
MPN: |
J400K-457 |
Type: |
Differential Pressure Switch |
SKU: |
47044 |
Seller Notes: |
Unit only; no accessories included. |
Country/Region of Manufacture: |
United States |
Proof Pressure: |
225 PSI (15.5 bar) |
Deadband: |
0.1 - 0.4 PSI |
Working Pressure: |
30 in Hg Vac to 225 PSI |
Electrical Rating: |
15A 480VAC |
Output Type: |
Single Output |
Set Point Adjustment: |
Internal |
Electrical Connection: |
One 3/4 in NPT; two 7/8 in diameter knockouts |
Pressure Connection: |
1/2 in NPT (female) |
Wetted Materials: |
Aluminum, Buna-N |
Certifications: |
UL Listed, CE, FM Approved |
UL Listing: |
Listed 549A IND. CONT. EQ. |
Enclosure Material: |
Aluminum |
Series: |
J400K |
Condition: |
Used – Inspected |
Review Status: |
Auto-Approved (needs review) 2026-07-04 |
Condition Notes: |
UE J400K-457 Differential Pressure Switch, inspected, good used condition. Enclosure intact, minor oxidation on pressure fittings consistent with prior use. Wiring leads present. Please view photos and contact us with questions. |