💧 Astral Pool Victoria Plus New Generation 0.5HP Three Phase Pool Pump (Model 50T)

Professional-Grade Pool Circulation for Small to Medium Pools

The Astral Victoria Plus New Generation 0.5HP Three Phase pump represents European engineering excellence in pool water circulation. Designed for commercial installations and residential pools requiring three-phase power, this compact self-priming pump delivers reliable performance with exceptional durability. Built with state-of-the-art thermoplastic materials and an IP55-rated motor, it’s engineered to withstand harsh pool environments including saltwater applications.

With a proven track record backed by up to 5 years warranty (3 years standard + 2 years with registration), this pump is trusted by commercial facilities and demanding pool owners worldwide. Made in Europe with rigorous quality testing, every Victoria Plus Silent pump is individually tested under the worst conditions before delivery.

🌟 Key Benefits & Features

✅ Professional Three-Phase Power – 400V three-phase motor (2900-3000 RPM) for efficient, continuous operation in commercial and large residential applications

✅ Self-Priming Performance – Fast and effective priming system with capacity up to 1.5 meters above water level (when properly sealed)

✅ Salt Water Compatible – AISI 316 stainless steel shaft and corrosion-resistant thermoplastic construction suitable for all pool treatments including saltwater chlorination

✅ Quiet Operation – Low noise design operates at approximately 61-70 dBA for peaceful pool environments

✅ IP55 Protection Rating – Fully protected motor enclosure with Class F insulation for harsh outdoor conditions and high humidity environments

✅ Large 5-Liter Pre-Filter Basket – Generous capacity captures debris effectively, reducing maintenance frequency

✅ Easy Maintenance – Transparent twist-lock lid opens without tools for quick inspection and basket cleaning

✅ Universal Compatibility – Direct replacement for older Victoria or Sprint models with backward compatibility

✅ European Quality – Manufactured in Europe with ISO 9001 certification; 100% factory tested before shipping

📊 Complete Technical Specifications

Motor & Electrical Specifications

Specification	Value
Product Code	65558
Model	50T (Three Phase)
Motor Power (Rated Output)	0.5 HP / 0.38 kW
Voltage	400V (Three Phase)
Frequency	50 Hz
Motor Speed	2900-3000 RPM
Maximum Absorbed Power	0.55 kW
Protection Rating	IP55
Motor Insulation Class	Class F
Thermal Protection	Must be provided externally via control panel

Hydraulic Performance

Specification	Value
Nominal Flow Rate (QN)	7.5 m³/h
Maximum Flow Rate	14.5 m³/h (at 4m head)
Nominal Head (HN)	10 meters
Maximum Head	13 meters
Self-Priming Capacity	Up to 1.5 meters above water level
Priming Time	Less than 12 minutes (when properly installed)

Construction & Materials

Component	Material/Specification
Pump Housing	Reinforced thermoplastic, corrosion-resistant
Motor Shaft	AISI 316 stainless steel (chlorine & saltwater resistant)
Mechanical Seal	Carbon, ceramic, and NBR for chemical resistance
Pre-Filter Basket	5-liter capacity, transparent
Lid Type	Transparent twist-lock with tool-free opening
Mounting Base	Reinforced with anti-vibration design

Physical Specifications

Specification	Value
Pipe Connection Size	2″ BSP (50mm) threaded inlet and outlet
Weight (Approximate)	10-12 kg
Packaging Weight	12 kg
Packaging Volume	0.07 m³

Dimensions (mm)

Dimension	Measurement
A – Total Length	581 mm
B – Width	246 mm
C – Connection Type	2″ GAS (BSP Thread)
D – Connection Size	281 mm
D1 – Alternate Connection	359 mm
E – Base Width	322 mm
F – Base Depth	254 mm
H – Height	164 mm

Operating Conditions

Parameter	Specification
Maximum Water Temperature	35°C
Ambient Temperature Range	Suitable for hot environments with high humidity
Installation Position	Horizontal mounting only
Recommended Water Level	Ideally 30 cm below water level (can operate up to 1.5m above)
Noise Level	61-70 dBA (typical operation)

🏊 Pool Sizing Guide

Recommended Pool Volume Coverage

The Victoria Plus 0.5HP Three Phase pump is ideally suited for:

Optimal Performance:

• Small residential pools: 15-30 m³ (3,900-7,900 gallons)
• Above-ground pools: 20-35 m³ (5,300-9,200 gallons)
• Small commercial pools or spas: 25-40 m³ (6,600-10,600 gallons)
• Water features and circulation systems

Maximum Capacity:

• Can handle pools up to 45 m³ (11,900 gallons) with proper hydraulic design
• Flow rate of 7.5 m³/h provides approximately 5-6 turnovers per day for a 30 m³ pool

⚠️ Important: Pool pumps should circulate the entire pool volume every 6-8 hours for optimal filtration. For the 50T model with 7.5 m³/h flow rate, this means pools of 30-40 m³ are in the ideal range.

⏱️ Estimated Circulation Times

Understanding how long it takes to fully circulate your pool water helps you set proper filtration schedules.

Complete Turnover Times by Pool Size

Pool Volume	Approximate Turnover Time	Daily Turnovers (24h)
15 m³ (3,900 gal)	2 hours	12 times
20 m³ (5,300 gal)	2.7 hours	9 times
25 m³ (6,600 gal)	3.3 hours	7 times
30 m³ (7,900 gal)	4 hours	6 times
35 m³ (9,200 gal)	4.7 hours	5 times
40 m³ (10,600 gal)	5.3 hours	4.5 times

💡 Professional Recommendation: Run your pump for 6-8 hours daily during swimming season to achieve 1.5-2 complete turnovers. In colder months or with less usage, 4-6 hours may be sufficient.

Note: These are estimates based on nominal flow rate of 7.5 m³/h. Actual times may vary based on filter resistance, pipe length, and hydraulic configuration.

💰 Energy Efficiency & Running Costs

Power Consumption Analysis

With a maximum absorbed power of 0.55 kW and typical operation at 0.38 kW, the Victoria Plus 50T is designed for efficient three-phase operation.

Estimated Daily Running Costs:

Assuming an average UK electricity rate of £0.25 per kWh:

Running Hours/Day	Daily Energy Use	Daily Cost	Monthly Cost	Annual Cost
4 hours	1.52-2.2 kWh	£0.38-£0.55	£11.40-£16.50	£139-£201
6 hours	2.28-3.3 kWh	£0.57-£0.83	£17.10-£24.75	£208-£302
8 hours	3.04-4.4 kWh	£0.76-£1.10	£22.80-£33.00	£277-£402
12 hours	4.56-6.6 kWh	£1.14-£1.65	£34.20-£49.50	£416-£603

⚡ Three-Phase Advantage: Three-phase motors typically run 10-15% more efficiently than single-phase equivalents, providing lower operating costs and better performance for continuous-duty applications.

Estimates based on rated and maximum power consumption. Actual costs depend on local electricity rates, pump load, and operating conditions.

🔧 Installation Requirements

Location Requirements

✅ Must Install:

• At least 2 meters from pool edge (prevents water splash; some standards allow other distances – check local codes)
• On stable, level, solid surface (concrete base recommended)
• In well-ventilated area for proper motor cooling
• Outside Zone 0 and Zone 1 (see safety zones in documentation)
• Ideally 30 cm below water level for optimal priming
• With proper drainage if flooding is possible

❌ Must Not Install:

• In areas exposed to direct rainfall
• Near heat sources or flammable gases
• In Zone 0 or Zone 1 safety areas
• On unstable or uneven surfaces
• In enclosed spaces without ventilation

Clearance & Access Requirements

Minimum recommended clearances around pump:

• Front access: 0.5 meters (for lid removal and maintenance)
• Sides: 0.5 meters each side
• Top clearance: 0.1 meters minimum above pump
• Rear access: Adequate space for electrical connections

Electrical Requirements

⚠️ CRITICAL – Three Phase Power Required:

• Voltage: 400V three-phase AC supply
• Frequency: 50 Hz
• Earth Connection: Mandatory with proper grounding
• RCD Protection: 30 mA maximum rated residual current device required
• Isolator Switch: Must be installed in fixed electrical installation per local codes
• Motor Protection: Magnetothermic circuit breaker with motor guard required
• Cable Type: Heavy-duty polychloroprene sheath (designation code 60245 IEC 66) or equivalent

💡 Professional Installation Required: Three-phase electrical installation must be performed by qualified, licensed electricians in compliance with IEC/HD 60364-7-702 standards and local regulations.

Hydraulic Connection Guidelines

Pipe Sizing:

• Connection Size: 2″ BSP (50mm) threaded
• Recommended Minimum: 50mm (2″) piping throughout
• Important: Use 63mm (2.5″) piping if more than 10 elbow joints in circuit
• Suction Pipe: Keep as short as possible (longer pipe increases priming time)

Essential Components:

• ✅ Isolation valves on suction and discharge (if below water level)
• ✅ Check valve (if filter is above water level)
• ✅ No high points in suction line where air can accumulate
• ✅ Pipe supports to prevent stress on pump connections
• ✅ Maximum 0.015 MPa (1.5 meters) pressure differential if above water level

🛠️ Maintenance Schedule

Regular Maintenance (Every 150 Hours)

Pre-Filter Basket Cleaning:

1. Turn off pump and close isolation valves
2. Open transparent twist-lock lid (no tools required)
3. Remove and clean 5-liter basket
4. Inspect and clean seal and seal housing
5. Replace basket and ensure lid is watertight

⚠️ Important: Clean seal housing every time you open the pre-filter to maintain watertight seal.

Component Replacement Schedule

Professional-grade components have defined service life for predictable maintenance:

Component	Replacement Interval	Notes
Capacitor	10,000 hours	Monitor for starting issues
Bearings	10,000 hours	Signs: unusual noise, vibration
Mechanical Seal	10,000 hours	Signs: leaking between motor and body
O-rings & Seals	10,000 hours	Replace whenever opening pump housing

Based on 8 hours/day operation, 10,000 hours ≈ 3-4 years. Always replace O-rings when replacing internal components.

Winterization (Cold Climates)

If pump will be unused during freezing temperatures:

1. Drain completely – Remove drainage plug at bottom of pump
2. Remove residual water – Tilt pump to drain all water
3. Store indoors if possible
4. Protect from elements if left outdoors

🔍 Troubleshooting Guide

Pump Won’t Start / Motor Doesn’t Turn

Possible Causes & Solutions:

• 🔌 Check circuit breakers and power supply
• 🔧 Verify electrical connections at terminal block
• 🌀 Check for debris in pre-filter basket blocking impeller
• ⚙️ Ensure motor shaft turns freely (disconnect power first!)
• 👨‍🔧 Contact qualified electrician if electrical issue suspected

Pump Won’t Prime / Air Bubbles Visible

Possible Causes & Solutions:

• 💧 Pool water level too low – refill pool above skimmer
• 🔓 Check all valves are in correct position (open)
• 🛡️ Inspect pre-filter lid seal for damage or improper seating
• 🌊 Air leak in suction line – check all connection points
• 💨 Air trapped in filter – use filter bleed valve to purge

Low Flow / Low Pressure

Possible Causes & Solutions:

• 🗑️ Pre-filter basket full – clean immediately
• 💨 Air leak in system – check suction side connections
• 🔄 Worn impeller or diffuser – requires professional service
• ⚠️ Wrong rotation direction (three-phase only) – check phase connections

Low Flow / High Pressure

Possible Causes & Solutions:

• 🧹 Filter needs cleaning – backwash or clean filter media
• 🚫 Valve partially closed – verify all valves fully open
• 🔀 Check return line for obstructions

Excessive Noise

Possible Causes & Solutions:

• 💨 Cavitation from air leak – check suction side
• 📐 Pump not level – adjust mounting and use anti-vibration pads
• 🪨 Foreign object in basket or impeller – clean and inspect
• ⚙️ Worn bearings – requires professional service

Leaking Between Pump Body & Motor

Possible Causes & Solutions:

• 🔧 Worn mechanical seal – replacement required (10,000 hour service item)
• 🛡️ Body-to-flange seal deteriorated – requires seal replacement

⚠️ When to Call a Professional: If problems persist after basic checks, or if you suspect mechanical damage, contact an authorized service center. Attempting repairs without proper training may void warranty.

✅ What’s Included

In The Box:

• ✅ Victoria Plus 50T Pump with pre-installed motor
• ✅ Transparent twist-lock pre-filter lid with seal
• ✅ 5-liter debris collection basket
• ✅ Standard 2″ BSP (50mm) connection fittings (x2)
• ✅ Drainage plug
• ✅ Mounting hardware
• ✅ Quick start guide

Warranty:

• ⭐ 3 Years Standard Warranty
• ⭐ +2 Years Extended (total 5 years) when installation is registered
• ℹ️ Check warranty terms and registration conditions

❓ Frequently Asked Questions

Q: Can this pump be used with saltwater chlorination systems? A: Yes, absolutely. The Victoria Plus 50T features an AISI 316 stainless steel shaft and corrosion-resistant thermoplastic construction specifically designed for saltwater pools. It’s fully compatible with all pool treatment systems including salt chlorinators.

Q: What size pool is this pump suitable for? A: The 0.5HP model with 7.5 m³/h flow rate is ideal for small to medium pools between 15-40 m³ (3,900-10,600 gallons). It provides optimal turnover rates for pools around 30 m³, circulating the entire volume every 4 hours.

Q: Do I need three-phase power for this pump? A: Yes, this specific model (50T) requires a 400V three-phase electrical supply. If you only have single-phase power available, consider the 50M model instead, which is the single-phase equivalent. Three-phase power is common in commercial properties and some larger residential installations.

Q: How loud is this pump during operation? A: The Victoria Plus Silent series operates at approximately 61-70 dBA, which is comparable to normal conversation levels. The anti-vibration base and quality motor design minimize noise, making it suitable for residential installations near living areas.

Q: Can this pump be installed above the water level? A: Yes, the pump is self-priming with capacity up to 1.5 meters above water level (at sea level, with properly sealed hydraulic circuit). However, for optimal performance and easier priming, installation 30 cm below water level is recommended. If installed above water level, ensure the pressure differential doesn’t exceed 0.015 MPa.

Q: How often do I need to clean the pre-filter basket? A: This depends on your pool environment, but typically every 150 hours of operation or more frequently if you notice pressure drops or reduced flow. The large 5-liter capacity and transparent lid make it easy to monitor basket fullness without opening the pump.

Q: Is professional installation required? A: Yes, absolutely. Three-phase electrical installation must be performed by a licensed electrician in compliance with IEC/HD 60364-7-702 standards and local electrical codes. The pump also requires proper hydraulic installation, grounding, RCD protection, and motor protection devices. Improper installation voids warranty and poses serious safety risks.

Q: What’s the difference between this and the single-phase 50M model? A: Both models have identical hydraulic performance (0.5HP, 7.5 m³/h). The key difference is electrical: the 50T requires 400V three-phase power while the 50M runs on 230V single-phase. Three-phase motors generally run cooler, more efficiently, and are better suited for continuous-duty commercial applications.

Q: Can I use a variable frequency drive with this pump? A: Yes, three-phase pumps are compatible with variable frequency drives (VFDs). If using a VFD, an output filter is recommended to provide proper supply voltage and extend pump life. Set the switching frequency between 4-8 kHz and operate within 20-50 Hz output range. Never exceed these ranges as it will shorten pump service life.

Q: How long does the warranty last? A: Standard warranty is 3 years from purchase date. You can extend this to 5 years total by registering your installation with AstralPool. Check the warranty conditions and register within the specified timeframe after installation.

Q: What maintenance is required? A: Regular maintenance includes cleaning the pre-filter basket (approximately every 150 hours), checking seal condition, and ensuring all connections remain tight and leak-free. Professional service is recommended at 10,000 hours for replacement of bearings, mechanical seal, and other wear components. The pump is designed for easy maintenance with tool-free lid opening.

Q: Is this pump compatible with my old Victoria Plus pump? A: Yes! The Victoria Plus New Generation series is fully backward compatible with older Victoria Plus and Sprint models. It can be a direct replacement with the same connection sizes and mounting dimensions.

📥 Downloads & Documentation

📄 Installation Manual – English (opens in new tab) Complete installation, operation, and maintenance instructions including electrical wiring diagrams, hydraulic connection details, safety zones, troubleshooting guide, and component replacement schedules. Essential reading for installers and service technicians.

📄 Quick Start Guide – Victoria Plus Silent Multi-Language (opens in new tab) Condensed quick-reference guide in multiple languages (English, Spanish, French, and more) covering basic safety information, installation zones, hydraulic connections, and quick startup procedures. Perfect for initial installation reference.

📄 AstralPool Pumps Product Brochure (opens in new tab) Complete overview of the AstralPool pump range including Victoria Plus Silent series, technical features, performance data, dimensions chart, and product comparison tables. Includes information on the entire Victoria Plus family from 50M/T to 300M/T models.

📄 Installation Manual – Romanian (opens in new tab) Full installation and maintenance manual in Romanian language for Romanian-speaking regions and installers.

🏆 Why Choose AstralPool Victoria Plus?

30+ Years of European Pump Expertise AstralPool has been designing and manufacturing pool equipment for over three decades with 5 worldwide R&D centers. Every Victoria Plus pump benefits from extensive computer-aided design (CAD/CAE), flow simulations (CFD), and mechanical analysis (FEA).

Made in Europe with ISO 9001 Certification Manufactured in Europe under strict quality control with ISO 9001 certification. Every single pump is individually tested under the worst conditions before delivery – that’s 100% factory testing, not batch sampling.

Proven Reliability With more than 500 R&D tests and 200 endurance tests conducted annually, AstralPool pumps power some of the world’s most demanding installations – from commercial aquariums to luxury resorts to public swimming facilities.

Genuine Parts & Service Network With over 100 Fluidra Pro centers and direct presence in 35+ countries, you’re guaranteed access to genuine spare parts, technical support, and professional service when you need it.

🌊 Perfect For These Applications

✅ Small Residential Pools – Efficient circulation for garden and above-ground pools up to 40 m³

✅ Commercial Spa Systems – Continuous-duty rated for hot tub and spa circulation requirements

✅ Water Features – Fountains, waterfalls, and decorative water circulation

✅ Filtration Systems – Primary circulation pump for sand, cartridge, and DE filter installations

✅ Three-Phase Commercial Installations – Hotels, gyms, leisure centers requiring professional-grade equipment

✅ Saltwater Pools – Fully compatible with salt chlorination systems and harsh chemical environments

⚠️ Important Safety & Compliance Information

Standards Compliance:

• IEC/HD 60364-7-702 (Swimming Pool Electrical Safety)
• ISO 9001 Quality Management
• IP55 Protection Rating (Dust and Water Protected)
• CE Marked for European compliance

Critical Safety Reminders:

• ⚠️ Never operate pump dry (without water) – will void warranty and damage pump
• ⚠️ Always disconnect power before maintenance or servicing
• ⚠️ Three-phase electrical work must be performed by licensed electricians only
• ⚠️ Install RCD protection (30mA maximum) as required by regulations
• ⚠️ Do not install in Zone 0 or Zone 1 safety areas
• ⚠️ Ensure proper grounding/earthing per local electrical codes
• ⚠️ Never allow children to operate or play near pump equipment
• ⚠️ Winterize and drain pump in freezing climates to prevent damage

Not Suitable For:

• ❌ Pumping anything other than clean pool water under 35°C
• ❌ Single-phase electrical installations (use model 50M instead)
• ❌ Abrasive liquids or water with large debris
• ❌ Chemical transfer or industrial applications
• ❌ Continuous operation above maximum head pressure
• ❌ Installation in flood-prone areas without proper drainage