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SP Powerworld

SP Powerworld EA448 AVR

SP Powerworld EA448 AVR

£312.00 GBP
£312.00 GBP
Sale Sold out
Shipping calculated at checkout.

SP Powerworld EA448 AVR is a direct replacement for the Original Leroy Somer R448.

£260.00 plus VAT

Accepted worldwide as the only Quality and Legal aftermarket replacement. It's been designed to work in exactly the same way and operates at the same performance. It’s the same size, function and has the same wiring connections, it also comes with 12 months warranty.

Ex stock - shipped Worldwide. For EURO or USD pricing please contact us:

Sales: info@sp-powerworld.com 

Tel: +44 (0)115 923 2568 (United Kingdom)

Tel: (24-hour) +44 (0)7484709956 (United Kingdom)

*All manufacturer names, numbers, symbols and descriptions are used for reference purpose only and do not imply that any part is the product of these manufacturers.

 Features:
  • Voltage regulation less than +/-0.5%
  • Load acceptance module (LAM)
  • 50/60 Hz selectable
  • Under frequency & Exc. max protection
  • Soft start voltage ramping
  • Normal rapid response time (Option)
  • Applicable for PMG or A.R.E.P or Auxiliary Winding

 Specifications: 

Sensing Input
(Average Reading)
  • Voltage 95 to 520 Vac 1 phase 2 wire (DIP Switch Settings)
  • 110 Vac Adjustment Range 95 – 140 Vac
  • 220 Vac Adjustment Range 170 – 260 Vac
  • 380 Vac Adjustment Range 340 – 520 Vac
  • Frequency 50/60 Hz (Jumper selected)
Power Input
  • Voltage 40 to 150 Vac 1 phase 2 wire
  • Frequency 40 to 500 Hz
Auxiliary Input
  • Voltage 40 to 150 Vac 1 phase 2 wire
  • Frequency 40 to 500 Hz
External Volts Adjustment
  • Max. +/-10% @ 1KΩ 1 watt potentiometer
Quadrature Droop Input
  • Sensitivity +/- 7%@ PF +/- 0.7 (STAT. Adjustable)
Build Up Voltage
  • 5 Vac 25Hz residual volts at power input terminal
Excitation Output
  • Continuous 110 Vdc 7A @ power input 120 Vac
  • Max. 160 Vdc 10A for 10 Sec.
  • Resistance Min. 15Ω, Max. 100Ω @120V
  • Fuse Spec. Slow blow 5 x 20mm 10A
Voltage Regulation
  • Less than +/- 0.5% (with 4% engine governing)
Soft Start Ramp Time
  • 3 seconds +/- 10%
Typical System Response
  • 0.3 to 1 second @ +/-20% voltage vibration
Static Power Dissipation
  • Max. 4 watts
Under Frequency Protection
  • 50 Hz system knee point at 45Hz
  • 60 Hz system knee point at 55Hz
Over Excitation Current limitation
  • 3.5A to 10A (EXC.MAX. Adjustable)
Voltage Thermal Drift
  • Less than 3% from -40 to +70 °C

AVR Control Functions
VOLT
  • Voltage adjustment
STAB
  • Stability adjustment
V/HZ
  • Under Frequency Adjustment
EXC.MAX
  • Over Excitation Current Limiting
STAT
  • Quadrature Droop Adjustment

Environment
Operating Temperature
  • -40 to +70 °C
Storage Temperature
  • -40 to +85 °C
Relative Humidity
  • Max. 95%
Vibration
  • 5.5 Gs @ 60 Hz

Physical Specifications
Dimensions
  • 203.0 (L) x 153.0 (W) x 60.5 (H) mm
  • 7.99 (L) x 6.03 (W) x 2.38 (H) inch
Weight
  • 850 g +/-2%
  • 1.874 lb +/- 2%

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  • Genuine Products with Full Warranty

    We are aware that there are poorly made illegal Chinese counterfeit models available on the market. Please note our products are Genuine, come with full warranty and have been sourced directly from the factory.

  • Worldwide Shipping

    All items are shipped from the United Kingdom and we cover all of Europe and the rest of the world. For an accurate DHL Quotation please contact us.