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By spotting water in drip pans in air handler units, beneath raised floors in data centers, or on floors near sump pumps and drains, the Series WD3 Water Leak Detectors guard equipment against water damage. Once the water has risen to a point where it spans the two conductive strips on the housing's bottom, it is detected. Depending on the model selected, local notice of the alarm situation is provided by audio and visual alerts, and remote indication or control is provided by an internal switch to stop additional water buildup. The Model WD3-BP-D1-A is battery-powered for use in situations where power is not available. Alternatively, the water detector can be powered by either AC or DC supply voltages. By using the provided adjustable mounting bracket, the sensing height can be reduced to as little as 1/32". The mounting bracket can be fastened to any flat surface using either the mounting screws or the connected adhesive strips.
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Pressure-rated inductive sensors
- Pressure-rated up to 500 bar
- High temperature-rated up to 120 °C
- Appropriate for use in explosion-protected areas
- Overall dimensions from M5 to M18
- Short and long configurations
- With and without fixed stop
Inductive standard sensors:
- Cylindrical sensors in designs from M5 to M30 and various cuboid configuration
- Variants for DC-3/4 wire, IO-Link and DC, AC and AC/DC 2 wire
- Shielded and unshielded versions
- Flush variants with ranges of up to 15 mm
- Non-flush variants with ranges of up to 30 mm
- Plug or cable connection
Electrical data:
Connection terminals: 0.14 ÷ 2.5 mm2 (AWG 26 ÷ 14)
Cable entry:Cable gland: M20x1.5 with cable sheath diameter 6÷12mm CONDUIT: NPTx½ o NPT3/4
Output activation delay: Rods free → Rods covered: c.a. 1 sec Rods covered → Rods free c.a. 1... 2 sec
Detection fuctions FSH/FSL: Settable on the circuit with selector switch
Vibration frequency: [Hz] 200 c.a.
Over voltage category: II
Pollution degree: 2 (inside housing)
Operative Conditions:
Ambient temperature: [°C] -40 ÷ +60
Process temperature-Tc: [°C] -40 ÷ +150
Ventilation:Ventilation is not required
Min. powder density: [g/l] Setting A : c.a. 150 - Setting B : c.a. 30
Features of bulk material: No strong tendency to cake or deposit. Max grain size 8 mm
Max. mechanical load: [N] 500 laterally on vibrant rods
Max. process pressure: [Bar] 16
Vibration: c.a. 200
Relative humidity: 0 ÷ 100%, suitable for outdoor use
Altitude: [m] max 2.000
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Product ID: 751102.
PNOZsigma safety relay (standalone), inputs: 1-channel wiring without detection of shorts across contacts, manual/automaticstart, outputs: 3 N/O, 1 N/C, 1 SC, UB 24 V DC, width: 17.5 mm, plug-in spring-loaded terminals, monitoring of E-STOP, safety gates.
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PNOZsigma contact expansion, outputs: 4 N/O, 1 N/C, UB 24 V DC, width: 17.5 mm, plug-in screw terminals, contact block for contact expansion in connection with safety-related control components.
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Product ID: 750105.
PNOZsigma safety relay (standalone), inputs: 1/2-channel wiring with/
without detection of shorts across contacts, manual/automatic start,
outputs: 2 N/O, 2 N/O t-d (t = 0.04 - 300 s), 1 SC, UB = 24 V DC, width:
22.5 mm, plug-in screw terminals, monitoring of E-STOP, safety gates, light
curtain.
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