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SOLID STATE SWITCHES
FOR HIGH-CYCLE APPLICATIONS
PSW601 Series
30 to 20,000 psi
Watertight Enclosure NEMA 4 (IP65)
Starts at
$
450
See switch
accessories on page
⻬ Watertight, Corrosion-
Resistant Case
⻬ Thin-Film Sensor for
Long, Stable Life—
Minimum 1 Million Cycles
at Rated Load
⻬ Reliable in Industrial
Environments
⻬ Field Adjustable
OMEGA’s PSW601 Series switches
are designed to provide long, stable
life. They use a thin-film sensor with
a minimum life of 1 million cycles.
Solid state circuitry analyzes the
signal from the sensor to activate
the switch at the setpoint.
Deadbands are adjustable from
0.1 to 95% of range, and status
lights give a visual indication of
switch status.
SPECIFICATIONS
Switch: UL- and CSA-rated SPDT switch
Electrical: 10 A, 125/250 Vac resistive
and inductive; 10 A, 30 Vdc resistive
Temperature Limits:
-29 to 71°C (-20 to 160°F)
Temperature Effects: 2% FS/25°C
Repeatability: ±0.5% full range
Proof Pressure: See “To Order” chart
Deadband: Adjustable 0.1 to 95%
of range
Power Requirements:
Standard: 24 Vdc, 12 mA unactivated;
43 mA activated
Optional: 110 to 120 Vac 50/60 Hz or
250 Vac 50/60 Hz
Enclosure: Anodized aluminum body;
watertight, NEMA 4 (IP65)
Process Connection:
≤7500 psi:
>7500 psi:1⁄4 Aminco-F
Electrical Connections:
fitting with #18 AWG 450 mm (18")
insulated wire leads
1
⁄4 FNPT
1
⁄2 NPT conduit
H-47 for audible alarms
and relay modules.
Wetted Parts: 316 SS fitting and
17-4 PH SS diaphragm
Dimensions: 144 H x 102 W x 59 mm D
(5.7 x 4 x 2.3")
To Order (Specify Model Number)
SETPOINT MODEL PROOF BURST
LIMITS (psi) NUMBER PRICE (psi)(psi)
STANDARD MODELS: 24 Vdc, SINGLE 10 A Switch
3 to 30 PSW601B-30 $450 120 480
3 to 60 PSW601B-60 450 120 480
5 to 100 PSW601B-100 450 200 800
10 to 200 PSW601B-200 450 400 1600
15 to 300 PSW601B-300 450 600 2400
25 to 500 PSW601B-500 450 1000 4000
35 to 750 PSW601B-750 450 1500 6000
50 to 1000 PSW601B-1K 450 2000 8000
100 to 2000 PSW601B-2K 450 4000 16,000
150 to 3000 PSW601B-3K 450 4500 9000
250 to 5000 PSW601B-5K 450 7500 15,000
375 to 7500 PSW601B-7.5K 450 9000 11,250
500 to 10,000 PSW601A-10K* 450 12,000 15,000
750 to 15,000 PSW601A-15K* 450 18,000 22,000
1000 to 20,000 PSW601A-20K* 450 24,000 30,000
* Process connection is a 1⁄4" Aminco-F fitting.
Comes with complete operator’s manual.
For 110 Vac powered models, add suffix “-110VAC” to model number; no extra charge.
For 250 Vac powered models, add suffix “-250VAC” to model number; add $50 to price.
Ordering Example: PSW601B-100, 24 Vdc power, range of 5 to 100 psi and single
10 A switch, $450.
Recommended Reference Book: Centrifugal Pump Design,
CM-4391, $150. Visit omega.com/bobi for Additional Books
H-34
PSW601B-5K,
$450, shown smaller
than actual size.
MOST POPULAR MODELS HIGHLIGHTED!
PRESSURE SWITCHES
H
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