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Bodine AK400PLS-208 Arc Keeper 208 Volts PSMH Backup Ballast

6.50 LBS

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Product Description

This Emergency HID Ballast has been DISCONTINUED.

You will need to get a quarz restrike system instead.

Are the floodlights in your outdoor pool area going dim after brief power lags? Afraid this will scare away your loyal customer base of insomniac night swimmers? Keep them coming back in the dead of night with the Bodine 208-volt 400 watt PSMH emergency ballast.

The AK400PLS-208 solid state emergency ballast will keep the electrical arc your PSMH lamp at full brightness for up to 2-minutes using an internal ni-cd battery. It works in tandem with your normal single-tap 208vAC reactor, high-reactance autotransformer or constant wattage autotransformer style magnetic ballast.

Call our amazing ballast bros for the best price!


  • Ballast Type: Emergency
  • Lamp Wattage: 200-400W
  • Input Wattage: 17W
  • Dedicated 208vAC, 50/60Hz cycles
  • Operates: One pulse start metal halide lamp
  • Maintains HID lamp arc for up to 2-minutes!
  • UL 924 listed
  • Min/Max Temp: 32° to 131°F
  • 5-year full warranty


The AK400PLS-208 will maintain the arc of a 200-400 watt pulse start HID lamp during sudden power losses. If the power failure continues, the arc keeper allows your emergency DC generator enough time to warm up before switching over to the emergency circuit.

External Specifications

Our AK400PLS-208 has a low profile steel casing finished with an anti-corrosive white powder coat. A charging indicator light on the side of the housing allows for constant battery monitoring. This HID backup ballast has three convenient mounting holes on each end for easy attachment to the fixture or remote transformer box.

Electrical Specifications

  • Lamp wattage: 200-400W
  • Input wattage: 17W
  • Battery charging current: 100 mA
  • Single-tap 208vAC, 50/60 Hz
  • Emergency runtime: 2 minutes
  • Recharge time: 24 hours
  • 12V 1.5 Ah nickel-cadmium (ni-cd) battery with 7-10 year lifespan
  • Electromagnetic Interference (EMI) filters
  • High frequency inverter ballast
  • Voltage monitoring circuits


  • Width: 12.25"
  • Depth: 7.25"
  • Height: 1.75"


  • UL Listed for factory or field applications
  • UL924 Listed for Emergency Lighting & Power Equipment

Warranty Information

This emergency device is warranted for five (5) full years from the date of purchase. This warranty will only cover properly-installed transformers used under NEC guidelines. During the warranty period, the manufacturer will repair or replace without charge to the user.

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