BFM-TH-UAL United Automation United Automation, BFM-TH-UAL, Thyristor Trigger Module, 240V ac, 7-Pin, 26 x 7 x 26mm
Description
United Automation, BFM-TH-UAL, Thyristor Trigger Module, 240V ac, 7-Pin, 26 x 7 x 26mm
Producer
United Automation
The product with part number BFM-TH-UAL (United Automation, BFM-TH-UAL, Thyristor Trigger Module, 240V ac, 7-Pin, 26 x 7 x 26mm)
is from company United Automation and distributed with basic unit price 13,35 EUR. Minimal order quantity is 1 pc.
Dimensions26 x 7 x 26mm Height26mm Input Voltage AC240V ac Length26mm Maximum Input Logic Voltage-5V Maximum Operating Temperature+60 °C Minimum Operating Temperature-10 °C Mounting TypeThrough Hole Pin Count7 Width7mm Product Details Burst Firing Triac Trigger Module - United Automation A hybrid circuit which requires only an external 100kΩ ,potentiometer and a suitable triac to be added. Zero voltage switchingLow power consumptionFast cycle time RMS input voltage 240/110V Power consumption 0·5 watts Manual control pot 100kΩ Cycle time 1 second Max. gate current 100mA O/C pulse height -5V Pulse length 0·1mS Operating temp. -10°C to +60°C Connections 10 pin S.I.L. Dimensions 26x26x7mm Trigger Modules Phase Angle Firing Features In each mains half-cycle the duration of thyristor or triac conduction is determined by the firing instant, relative to mains polarity changeover. Once switched on, the driven thyristors conduct power to the load until the end of each applied half-cycle, resulting in a chopped sine wave output. A ramp and pedestal input circuit, allowing variation of firing phase angle, enables more power through the load with increasing conduction angle. Step changes in load current generate Radio Frequency Interference (RFI). In sensitive applications this interference must be suppressed to comply with the relevant EMC standards or to prevent interaction with other components. This can be achieved by the addition of EMC mains filter networks. In repeating 1 second periods the number of complete mains sine waves is varied in its ON/OFF ratio, or duty cycle. The burst firing circuit provides trigger pulses coincident with the mains zero polarity changeover ensuring only complete half cycles are passed through to the resistive loads. Virtually no Radio Frequency Interference (RFI) is produced. Burst Firing Features Warning Potentiometer is a hazardous LIVE part when connected.
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