RS PRO 1.5kW 3-Phase Electric Motor 4-Pole IE3 (B3 Foot Mount) – Unused Surplus

Original price was: £395.00.Current price is: £195.00. £234.00 Inc VAT

premium unused surplus RS PRO 1.5kW (2HP) 4-pole 3-phase AC induction motor. Manufactured under a premium technical partnership with the Motovario / Techtop group, this robust motor features a standard 90L frame size and delivers a balanced 1435 RPM at 50Hz.
This unit features a rigid IM B3 foot-mounted design (no flange) for secure floor or rail installation. Furthermore, it carries an IE3 Premium Efficiency rating (85.3%) to drastically reduce ongoing electrical overheads. Fully inverter-drive rated (VFD compatible) and safely housed inside a weatherproof IP55 enclosure, it serves as an excellent drop-in replacement for industrial pumps, conveyors, and base-mounted air compressors.
  • Condition: Unused Surplus (Pristine condition, never installed)
  • Mounting Style: B3 Rigid Foot Mount (No Front Flange)
  • Power Output: 1.5kW (50Hz) / 1.73kW (60Hz)
  • Frame Size: 90L

1 in stock

Estimated Standard Delivery Aug 31, 2026 - Sep 1, 2026

Description

Are you attempting to source a reliable replacement power unit for your industrial machinery setup? This premium RS PRO 3-Phase Electric Motor delivers highly stable performance, exceptional torque, and impressive energy savings. Specifically, the unit features an advanced IE3 Premium Efficiency design that limits overall electrical losses while lowering your ongoing utility bills.
Because this unit is an unused surplus item, no workshop or engineer has ever mounted or run it under load. It originates directly from static trade store inventory and retains factory-pristine internal winding integrity. Consequently, you receive standard commercial quality at a heavily discounted surplus price point.

Technical Specifications

Matching your existing base framework exactly requires accurate structural coordinates. Therefore, we log every single key metric from the physical nameplate right below for your immediate verification.

Mechanical and Build Data

  • Product Brand: RS PRO (Manufactured in partnership with Motovario / Techtop)
  • Part Model Code: AERV3T0400027MT06
  • IEC Frame Size: Fr # 90L (Standardized 90L Frame Dimensions)
  • Mounting Class: IM B3 Rigid Foot Mount (No Front Flange)
  • Duty Cycle / Rating: S1 – 100% Continuous Duty Cycle
  • Efficiency Class: IE3 Premium Efficiency
  • Ingress Protection: IP55 Weatherproof enclosure (Resistant to heavy dust and water spray)
  • Insulation Class: Class F Winding Insulation (With an 80°C maximum temperature rise)
  • Thermal Protection: Integrated PTC Thermistor (Trips at 150°C to safe-guard internal components)
  • Bearings Installed: 6205 ZZC3 (Drive End) | 6004 ZZC3 (Non-Drive End)
  • Product Net Weight: 17.0 kg (Rugged, rigid build layout)
  • Standards Compliance: IEC/EN 60034-1, UKCA, CE Marked for industrial use

Electrical Data & Performance Matrix

Running on a standard 50Hz Grid Supply

  • Voltage Setup 230V Δ (Delta Connection): 1435 RPM medium speed | 1.5 kW power | 6.05 Amps | 85.3% Nominal Efficiency | \(\cos\phi\) 0.74
  • Voltage Setup 400V Y (Star Connection): 1435 RPM medium speed | 1.5 kW power | 3.50 Amps | 85.3% Nominal Efficiency | \(\cos\phi\) 0.74

Running on a standard 60Hz Grid Supply

  • Voltage Setup 285V Δ (Delta Connection): 1725 RPM medium speed | 1.73 kW power | 6.05 Amps | 86.5% Nominal Efficiency | \(\cos\phi\) 0.74
  • Voltage Setup 480V Y (Star Connection): 1725 RPM medium speed | 1.73 kW power | 3.50 Amps | 86.5% Nominal Efficiency | \(\cos\phi\) 0.74

Key Benefits of the RS PRO 3-Phase Electric Motor

Integrating this specialized RS PRO 3-Phase Electric Motor into your infrastructure introduces multiple operational advantages to your daily work processes.

Premium IE3 Eco-Design

Engineered to strict European Eco-Design guidelines, this motor achieves a nominal efficiency of up to 86.5%. By optimizing internal energy transfers, it minimizes electricity expenditure while maintaining full output torque under load.

Pure B3 Foot Mount Stability

Furthermore, the standard IM B3 layout features robust casting feet situated on the base of the motor housing. This design choice ensures maximum structural anchoring and allows for straightforward floor mounting or slider-rail tracking. 

Inverter-Drive Compatibility

Additionally, the inclusion of Class F insulation protects the core against severe electrical voltage spikes. As a result, you can link this unit safely to any modern variable frequency drive (VFD) or electronic speed controller.

Typical Machinery Applications

Due to its balanced 4-pole design (1435 RPM at 50Hz), this motor serves as a perfect core powerhouse for:
  • Floor-mounted industrial fluid pumps and water treatment gear
  • Factory conveyor systems and heavy material handling lines
  • Base-mounted air compressor configurations and hydraulic power packs
  • Fan assemblies, belt-driven machinery, and automated production gear