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SOLID STATE SWITCHES
FOR HIGH-CYCLE APPLICATIONS
30 to 20,000 psi
Watertight Enclosure NEMA 4 (IP65)
PSW601 Series
U Watertight, Corrosion-
Resistant Case
U Thin-Film Sensor for
Long, Stable Life—
Minimum 1 Million Cycles
at Rated Load
U Reliable in Industrial
Environments
U 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.
See switch
accessories on
omega.com
for audible alarms
and relay modules.
PRESSURE SWITCHES
H
PSW601B-5K,
shown smaller than
actual size.
SPECIFICATIONS
Switch: UL 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
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")
1
⁄4 FNPT
1
⁄2 NPT conduit
To Order
SETPOINT MODEL PROOF BURST
LIMITS (psi) NUMBER (psi) (psi)
STANDARD MODELS: 24 Vdc, SINGLE 10 A Switch
3 to 30 PSW601B-30 120 480
3 to 60 PSW601B-60 120 480
5 to 100 PSW601B-100 200 800
10 to 200 PSW601B-200 400 1600
15 to 300 PSW601B-300 600 2400
25 to 500 PSW601B-500 1000 4000
35 to 750 PSW601B-750 1500 6000
50 to 1000 PSW601B-1K 2000 8000
100 to 2000 PSW601B-2K 4000 16,000
150 to 3000 PSW601B-3K 4500 9000
250 to 5000 PSW601B-5K 7500 15,000
375 to 7500 PSW601B-7.5K 9000 11,250
500 to 10,000 PSW601A-10K* 12,000 15,000
750 to 15,000 PSW601A-15K* 18,000 22,000
1000 to 20,000 PSW601A-20K* 24,000 30,000
* Process connection is a 1⁄4" Aminco-F fitting.
Comes complete with 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 cost to price.
Ordering Example: PSW601B-100, 24 Vdc power, range of 5 to 100 psi and single
10 A switch.
H-34
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