Switches > Pressure/Vacuum Switches > UE 400 Series

 

United Electric (UE) 400 Series Multiswitch NEMA 4X Pressure Switches

UE's 400 series is designed for processes that require multiple switching capabilities. Dual or triple switch controls provide multi-output in alarm and shutdown applications, pre-alarms, high/low limits and level staging functions.

The triple-switch J403 series can be used for liquid level control by setting outputs to correspond to "pumping out" elevations in a sump. Widely used in process applications, the 400 Series provides threshold protection and control for many critical functions.

Key Specifications

  • One, Two, or Three SPDT Switch Outputs
  • Up to Three Electrical Knockouts to Simplify Wiring
  • UL Listed and CSA Certified
  • NEMA 4X Epoxy Coated Aluminum Enclosure when Used with Watertight Electrical Connector
  • Available with Internal Calibrated Reference Dials
  • Adjustable Ranges from 30" HgVac to 6000 PSI

Specifications, Manuals, and Supporting Literature

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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

Adjustment
Range
Deadband
(75%/25%)
Proof
Pressure
Catalog
Number
J400:One SPDT Switch Output, Internal Hex Screw Adjustment
Welded 316 SS bellows, 1/2" NPTF pressure connection
0 to 80" WC
0 to 20 PSI
0 to 100 PSI
0 to 200 PSI
2 to 6" WC
0.1 to 0.5 PSI
0.2 to 0.8 PSI
0.3 to 2.0 PSI
5 PSI
40 PSI
125 PSI
200 PSI
J400-S137B
J400-S146B
J400-S156B
J400-S164B
Welded 316L SS bellows, 1/4" NPTF pressure connection
0 to 200 PSI
0 to 300 PSI
0 to 500 PSI
1.5 to 8 PSI
2 to 9 PSI
3 to 12 PSI
250 PSI
350 PSI
575 PSI
J400-358
J400-361
J400-376
Brass bellows with nickel-plated brass 1/4" NPTF pressure connection
30" HgVac - 20 PSI
0 to 20 PSI
0 to 30 PSI
0 to 100 PSI
0 to 200 PSI
0.2" to 1.2" Hg
0.1 to 0.5 PSI
0.1 to 0.6 PSI
0.2 to 0.8 PSI
0.3 to 2.0 PSI
25 PSI
25 PSI
40 PSI
125 PSI
200 PSI
J400-134
J400-144
J400-146
J400-156
J400-164
Phosphor bronze bellows, nickel-plated brass 1/4" NPTF pressure
connection
0 to 200 PSI 1.5 to 8.0 PSI 250 PSI J400-270
Buna-N diaphragm and O-ring, aluminum cap, 1/4" NPTF pressure
connection
0 to 2" WC
0 to 20" WC
0 to 80" WC
0 to 80" WCVac
0 to 80" WC
30" HgVac - 20 PSI
0 to 20 PSI
0 to 30 PSI
0.07 to 0.25" WC
0.20 to 0.50" WC
0.50 to 1.80" WC
1.0 to 3.0" WC
1.0 to 3.0" WC
0.2 to 1.0" Hg
0.05 to 0.2 PSI
0.05 to 0.3 PSI
225 PSI
225 PSI
225 PSI
225 PSI
225 PSI
225 PSI
225 PSI
225 PSI
J400-440
J400-442
J400-443
J400-448
J400-451
J400-452
J400-453
J400-454
Teflon diaphragm and O-ring, 316L SS cap, 1/4" NPTF pressure
connection
30" HgVac - 0 PSI
0 to 80" WC
30" HgVac - 20 PSI
0 to 20 PSI
0 to 30 PSI
0 to 100 PSI
0.1 to 0.6" Hg
1.50 to 3.5" WC
0.2 to 1.0" Hg
0.05 to 0.30 PSI
0.1 to 0.4 PSI
0.25 to 0.75 PSI
225 PSI
225 PSI
225 PSI
225 PSI
225 PSI
225 PSI
J400-550
J400-551
J400-552
J400-553
J400-554
J400-555
H400: One SPDT Output, Internal Adjustment via Reference Dial
Brass bellows with nickel-plated brass 1/4" NPTF pressure connection
30" HgVac - 0 PSI
30" HgVac - 20 PSI
0 to 80" WC
0 to 100 PSI
0.2 to 0.9" Hg
0.2 to 1.2" Hg
2 to 6" WC
0.2 to 0.8 PSI
5 PSI
25 PSI
5 PSI
125 PSI
H400-126
H400-134
H400-137
H400-156
H400:One SPDT Output, Internal Adjustment via Reference Dial
Buna-N diaphragm, O-ring, aluminum cap, 1/4" NPTF pressure connection
0 to 10" WC
0 to 20" WC
0 to 20 PSI
0 to 30 PSI
0.15 to 0.3" WC
0.2 to 0.5" WC
0.05 to 0.2 PSI
0.05 to 0.3 PSI
225 PSI
225 PSI
225 PSI
225 PSI
H400-441
H400-442
H400-453
H400-454
Teflon diaphragm, O-ring, 316L SS cap, 1/4" NPTF pressure connection
0 to 100 PSI 0.25 to 0.75 PSI 225 PSI H400-555
J402: Two SPDT Outputs, Internal Hex Screw Adjustment
Buna-N diaphragm, O-ring with epoxy-coated aluminum 1/2" NPTF
pressure connection. Large 0.72" orifice for clean-out purposes
10 to 250" WC 0.1 to 10" WC 400 PSI J402-525
Welded 316L SS diaphragm, 1/2" NPTF pressure connection. Large 0.72"
orifice for clean-out purposes
0.5 to 5.0" WC 0.1 to 0.3" WC 100 PSI J402-533
Welded 316L SS bellows, 1/2" NPTF pressure connection
0 to 80"
0 to 200 PSI
4.0 to 12" WC
0.6 to 2.4 PSI
5 PSI
200 PSI
J402-S137B
J402-S164B
Welded 316L SS bellows and 1/4" NPTF pressure connection
0 to 200 PSI
0 to 300 PSI
0 to 500 PSI
3.0 to 15.0 PSI
4.0 to 16.0 PSI
6.0 to 20.0 PSI
250 PSI
350 PSI
575 PSI
J402-358
J402-361
J402-376
Brass bellows, nickel-plated brass 1/4" NPTF pressure connection
30" HgVac - 0 PSI
30" HgVac - 20 PSI
0 to 80" WC
0 to 20 PSI
0 to 30 PSI
0 to 100 PSI
0 to 200 PSI
0.4 to 1.6" Hg
0.4 to 2.0" Hg
2 to 6" WC
0.2 to 0.6 PSI
0.2 to 0.8 PSI
0.4 to 1.6 PSI
0.6 to 2.4 PSI
5 PSI
25 PSI
5 PSI
25 PSI
40 PSI
125 PSI
200 PSI
J402-126
J402-134
J402-137
J402-144
J402-146
J402-156
J402-164
Phosphor bronze bellows, nickel-plated brass 1/4" NPTF pressure connection
0 to 200 PSI
0 to 300 PSI
3.0 to 15.0 PSI
4.0 to 18.0 PSI
250 PSI
350 PSI
J402-270
J402-274
Buna-N diaphragm, O-ring, aluminum cap, 1/4" NPTF pressure connection
0 to 80" WC
80" WC Vac to 0
0 to 30" HgVac
0 to 80" Hg
30" HgVac to 20 PSI
0 to 20 PSI
0 to 30 PSI
0.5 to 1.8" WC
1 to 3" WC
0.2 to 0.8" Hg
2.0 to 6.0" WC
0.20 to 2.0" Hg
0.1 to 0.4 PSI
0.05 to 0.3 PSI
225 PSI
225 PSI
225 PSI
225 PSI
225 PSI
225 PSI
225 PSI
J402-443
J402-448
J402-450
J402-451
J402-452
J402-453
J402-454
Teflon diaphragm, O-ring, 316L SS cap, 1/4" NPTF pressure connection
30" HgVac - 0 PSI
30" HgVac - 20 PSI
0 to 20 PSI
0 to 30 PSI
0 to 100 PSI
3.0 to 7.0" WC
0.4 to 2.0" Hg
0.1 to 0.60 PSI
0.2 to 0.8 PSI
0.5 to 1.5 PSI
225 PSI
225 PSI
225 PSI
225 PSI
225 PSI
J402-551
J402-552
J402-553
J402-554
J402-555
H402:Two SPDT Switch Outputs, Internal Adjustment via Reference Dial
Brass bellows, nickel-plated brass 1/4" NPTF pressure connection
30" HgVac - 20 PSI
0 to 20 PSI
0 to 30 PSI
0 to 100 PSI
0 to 200 PSI
0.2 to 1.2" Hg
0.1 to 0.5 PSI
0.1 to 0.6 PSI
0.4 to 1.6 PSI
0.6 to 2.4 PSI
25 PSI
25 PSI
40 PSI
125 PSI
200 PSI
H402-134
H402-144
H402-146
H402-156
H402-164
Teflon diaphragm, O-ring, 316L SS cap, 1/4" NPTF pressure connection
0 to 100 PSI 0.25 to 0.75 PSI 225 PSI H402-553
J403:Three SPDT Switch Outputs, Internal Hex Screw Adjustment
316L SS diaphragm, Viton O-ring, 316L SS 1/4" NPTF pressure connection
0 to 30 PSI 0.1 to 0.6 PSI 40 PSI J403-S146B
Brass bellows, nickel-plated brass 1/4" NPTF pressure connection
30" HgVac - 20 PSI
0 to 20 PSI
0 to 100 PSI
0 to 200 PSI
0.2 to 1.2" Hg
0.1 to 0.5 PSI
0.4 to 1.6 PSI
0.3 to 2 PSI
25 PSI
25 PSI
125 PSI
200 PSI
J403-134
J403-144
J403-156
J403-164
Buna-N diaphragm, O-ring, aluminum cap, 1/4" NPTF pressure connection
30" HgVac - 0 PSI
0 to 80" WC
30" HgVac - 20 PSI
0 to 20 PSI
0.1 to 0.4" Hg
2.0 to 6.0" WC
0.2 to 1" Hg
0.05 to 0.2 PSI
225 PSI
225 PSI
225 PSI
225 PSI
J403-450
J403-451
J403-452
J403-453
Teflon diaphragm, O-ring, 316L SS cap, 1/4" NPTF pressure connection
0 to 80" WC
0 to 100 PSI
1.5 to 3.5" WC
0.5 to 1.5 PSI
225 PSI
225 PSI
J403-551
J403-555
H403:Three SPDT Switch Outputs, Internal Adjustment via Reference Dial
Brass bellows, nickel-plated brass 1/4" NPTF pressure connection
30" HgVac - 20 PSI
0 to 20 PSI
0 to 100 PSI
0 to 200 PSI
0.2 to 1.2" Hg
0.1 to 0.5 PSI
0.4 to 1.6 PSI
0.3 to 2 PSI
25 PSI
25 PSI
125 PSI
200 PSI
H403-134
H403-144
H403-156
H403-164
Popular Options Option Code
Adjustable Deadband
Water Tight 1/2" Conduit Fitting
-1520
-M900
Call for factory presetting. Specify setpoint and increasing or decreasing pressures.

Note: Any model numbers ending in -126 or -134 have zinc-plated steel springs that are exposed to media

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