Brahma Ignition transformer T14/T 15288002

The Brahma T14/T ignition transformer (SKU 15288002) is a column-type transformer designed for use in burners with high thermal output or pressure burners operating on light or heavy oil. It operates on a 220 V supply at 50 Hz, drawing 1.3 A, and provides a secondary voltage of 4.5 kV with a secondary current of 25 mA. The transformer has a duty cycle of 25%, two high-voltage outputs, and is housed in a pressed metal case coated with enamel. It weighs 3.5 kg and measures 15x10.1x8 cm, with a power cable length of 550 mm included. The unit is rated IP00 and can be mounted in any position.

When selecting an ignition transformer of this type, ensure the supply voltage, frequency, secondary voltage, and current ratings match the burner's requirements. The mounting system and electrical connection type (screw or cylindrical terminal) must be compatible with the existing setup. Verify the physical dimensions and weight to ensure proper fit, and confirm the duty cycle aligns with the application's operational demands. Installation should be performed with the power disconnected, and the transformer can be mounted in any position.

Common failure modes for ignition transformers include internal winding shorts or open circuits, often caused by moisture ingress or overheating. Symptoms may include weak or no spark at the electrodes, intermittent ignition, or tripping of the burner's safety controls. Check for visible damage to the housing, loose connections, and measure the secondary voltage with a suitable high-voltage probe to confirm output. Also inspect the ignition cables for cracks or insulation breakdown, which can cause arcing and reduce spark intensity.