Description
Technical parameters:
UN 0503B-P Var.1
Model type: HEIR 448075 R2
Unitrol UN0503B-P module
Manufacturer ABB
Model ABB UNITROL
Estimated shipping size
Size: 6.0″ x 1.0″ x 8.0″
(15.2cm x 2.5cm x 20.3cm)
Weight: 0 lbs 6.1oz (0.2kg)
The input signal of the UN 0090a-P V.1 HEIR445926R0001 power module comes from the 220V AC mains. After rectification and filtering, it drives the high-frequency transformer together with the output signal of the PWM pulse modulator. The high-voltage power module obtained through the high-frequency transformer will output the DC high-voltage after rectification and filtering. UN 0090a-P V.1 HEIR445926R0001 Output feedback signal is photoelectric isolated and fed back to the pulse modulator. By comparing with the reference voltage of the error amplifier in the pulse modulator, the output duty ratio of the pulse modulator is controlled to adjust the output voltage.
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