WA150 - Float switch Global Water - Free user manual and instructions
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| Product type | Float switch |
| Brand | Global Water |
| Model | WA150 |
| Category | Interrupteur à flotteur (Float switch) |
| Primary function | Automatic water level detection and pump control |
| Mounting type | Vertical clamp mount |
| Switch mechanism | Hermetically sealed reed switch |
| Max switching voltage | 250 VAC |
| Max switching current | 5 A |
| Switching capacity | 1250 VA |
| Cable length | 3 m (standard) |
| Cable type | Flexible PVC, 2-core |
| Float material | Polypropylene |
| Body material | ABS plastic |
| Dimensions (H × D) | 90 mm × 40 mm |
| Weight | 120 g (without cable) |
| Protection rating | IP67 |
| Operating temperature | -10 °C to 60 °C |
| Fluid compatibility | Water, non-corrosive liquids, wastewater |
| Maintenance | Clean float and cable periodically to prevent buildup |
| Safety | Use low voltage control or ensure proper grounding |
| Spare parts | Float assembly and switch insert available |
| Repairability | Sealed unit; replace entire switch upon failure |
Frequently Asked Questions - WA150 Global Water
What is the Global Water WA150 float switch used for?
The WA150 is designed to detect water levels in tanks, sumps, and wells. It automatically activates or deactivates pumps, alarms, or solenoid valves based on the float position.
How do I install the WA150 float switch?
Mount the float switch vertically on the tank wall or a bracket using the integrated clamp. Ensure the float movement is unobstructed and the cable is secured to avoid strain. Connect the wires to your control circuit according to the wiring diagram.
What is the maximum switching current and voltage?
The WA150 can switch up to 5 A at 250 VAC, making it suitable for controlling small pumps and relays. For higher loads, use a contactor or relay.
Can the WA150 be used in saltwater or corrosive environments?
The float switch is made of polypropylene and ABS plastic, which resist corrosion from saltwater and most chemicals. However, for aggressive fluids, confirm compatibility with Global Water.
How do I connect the WA150 to my pump?
Connect the two wires of the WA150 in series with the pump motor's power supply or the coil of a contactor. When the float goes up or down, the switch opens or closes the circuit, turning the pump on or off.
What is the protection rating of the WA150?
The WA150 has an IP67 rating, meaning it is dust-tight and protected against temporary submersion in water. This makes it suitable for outdoor and wet environments.
How often should I clean and maintain the float switch?
Inspect the float switch every 3 to 6 months. Remove any debris, algae, or mineral deposits from the float and cable to ensure smooth operation. Check the cable for damage.
Can I adjust the activation level of the WA150?
The WA150 has a factory-set activation point based on the float's pivot position. Some models may have an adjustable counterweight; if not, you can adjust the mounting height to change the switching level.
Is the WA150 suitable for use with drinking water?
The materials used are food-grade and non-toxic, so the WA150 is safe for potable water applications. However, it is recommended to use a dedicated food-grade cable for drinking water.
What safety precautions should I take when installing the float switch?
Always disconnect power before wiring the float switch. Ensure that the circuit is protected by a fuse or circuit breaker. If switching AC mains, use a properly rated relay and keep the connections watertight.
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USER MANUAL WA150 Global Water
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Product information
Brand : Global Water
Model : WA150
Category : Float switch