Aircraft instruments and components
Dual‑Channel Ignition Unit
PBS ignition is designed to generate voltage impulses for two spark plugs, in the spark gap of which the jumping spark ignites the fuel-air mixture in the APU turbine combustion chamber. Provides redundancy and increased reliability for critical aviation applications.
28 V DC
Supply voltage
< 3 A
Current draw
> 0,6 J
Discharge energy
Ignition parameter
Technical parameters
Metric units
Imperial units
Technical parameters
Rated voltage
Metric units
28 V DC
Imperial units
28 V DC
Technical parameters
Nominal current consumption
Metric units
< 3 A
Imperial units
< 3 A
Technical parameters
Input voltage
Metric units
14–30 V DC
Imperial units
14–30 V DC
Technical parameters
Output voltage
Metric units
2.5–3 kV
Imperial units
2.5–3 kV
Technical parameters
Delivered power
Metric units
0.6 J
Imperial units
0.6 J
Technical parameters
Discharge frequency at 14V DC
Metric units
3–6 Hz
Imperial units
3–6 Hz
Technical parameters
Discharge frequency at 30V DC
Metric units
4–7 Hz
Imperial units
4–7 Hz
Technical parameters
Operating temperature
Metric units
−55 °C až 100 °C
Imperial units
−67 °F až 212 °F
Technical parameters
Weight
Metric units
1.1 kg
Imperial units
2.43 lb
Technical parameters
Type of operation
Metric units
intermittent (with the option of permanent operation)
Imperial units
intermittent (with the option of permanent operation)
Technical parameters
Dimensions (L x H x W)
Metric units
210 × 76 × 96 mm
Imperial units
8.27 × 2.99 × 3.78 in
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