Transformateur d'éclairage, Vin 230 → 240V c.a., Vout 11.7V c.a., 20 → 60W
Documents techniques
Spécifications
Brand
RS ProTension au primaire
230 → 240V ac
Tension au secondaire
11.7V c.a.
Puissance nominale
20 → 60W
Dimensions
150 x 42 x 32 mm
Longueur
150 mm
Largeur
42 mm
Profondeur
32 mm
Exigence d'une charge minimale
20W
Température maximale
+50°C
Poids
130 g
Type d'application
Electronic
Gradation
Dimmable
Méthode de gradation
Bord de fuite
Fréquence de fonctionnement minimale
50Hz
Fréquence de fonctionnement maximale
60Hz
Pays d'origine
United Kingdom
Détails du produit
Dimmable Transformer
Low Voltage Lighting Transformers
Dimming Methods (where applicable):
Leading Edge:
The control device is either a thyristor or triac which blocks power until they are switched on by the control signal. At that point the current flows almost instantaneously and continues to flow until the end of the half cycle of the mains waveform. When the signal reaches zero, the device turns off and no more current is passed until it is triggered again. Turning the power on and off in this manner averages out creating a constant intensity level and by altering the precise trigger point over a period of time the lamp can be dimmed.
Trailing Edge:
Since this method of dimming uses transistor technology it is not limited to just switching, therefore current can be controlled gradually. Transistors can be programmed to pass current at the start of each half cycle, and gradually switch off later. This will control the full amount of power reaching the lamp without the side effects of a step increase in current.
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Prix sur demande
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Documents techniques
Spécifications
Brand
RS ProTension au primaire
230 → 240V ac
Tension au secondaire
11.7V c.a.
Puissance nominale
20 → 60W
Dimensions
150 x 42 x 32 mm
Longueur
150 mm
Largeur
42 mm
Profondeur
32 mm
Exigence d'une charge minimale
20W
Température maximale
+50°C
Poids
130 g
Type d'application
Electronic
Gradation
Dimmable
Méthode de gradation
Bord de fuite
Fréquence de fonctionnement minimale
50Hz
Fréquence de fonctionnement maximale
60Hz
Pays d'origine
United Kingdom
Détails du produit
Dimmable Transformer
Low Voltage Lighting Transformers
Dimming Methods (where applicable):
Leading Edge:
The control device is either a thyristor or triac which blocks power until they are switched on by the control signal. At that point the current flows almost instantaneously and continues to flow until the end of the half cycle of the mains waveform. When the signal reaches zero, the device turns off and no more current is passed until it is triggered again. Turning the power on and off in this manner averages out creating a constant intensity level and by altering the precise trigger point over a period of time the lamp can be dimmed.
Trailing Edge:
Since this method of dimming uses transistor technology it is not limited to just switching, therefore current can be controlled gradually. Transistors can be programmed to pass current at the start of each half cycle, and gradually switch off later. This will control the full amount of power reaching the lamp without the side effects of a step increase in current.