Transformer Dual Switching Unit (DSU) Fail On - Fail Off
Code
DSU/FON/FOF/L0.5S
Description
Transformer Dual Switching Unit (DSU) Fail On - Fail Off
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Product Overview
Transformer Dual Switching Unit (DSU) Fail On - Fail Off
Airfield Lighting Systems dual switching unit for independent switching of bidirectional fittings. The ALS DSU units are available in all configurations to fail to On or Off depending on the airfield’s specifications.
The maximum lamp wattage is 100 watts. The unit allows independent switching of bi directional fittings.
Features & Benefits
- Encapsulated in a homogenous high quality polyurethane resin
- Uses 31% less energy than other switching devices when the lamps are suppressed
- Current ramping as standard, gives longer lamp life
- Interchangeable with any other manufacturers’ lamp suppression unit
- Available in
- Fail-On/Fail-Off version
- Fail-On/Fail-On version
- Fail-Off/Fail-Off version
- 12hr minimum water testing prior to despatch
- Ambient temperature range -20°C to +55°C
- Resistant to acid and alkaline soils, oils, fuels and de-icing fluids
- Materials used are also termite and rodent proof
- IP rating equivalent to IP68
Technical Specification
- Switching signal voltages 12V to 72V DC – Half-wave control signals must not be used
- Switching signal current 2 mA at 48V DC
- Switching signal to transformer secondary isolation voltage of 2500V AC
- DSU Control signal cables 3 core, 2.5mm²
- Current to the lamps is ramped up and down more slowly than the regulator changes its firing angle (150ms)
- Maximum rms voltage of 33V when open circui
Order Code
DSU/FON/FOF/L0.5S
Minimum Order Quantity
1
Type
Fail On - Fail Off
