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Burst Firing Trigger Module



 
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List Price: £73.45 (£88.14 inc VAT)
Our Price: £73.45 (88.14 inc VAT)

Product Code: BFTM1
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Description
 
Burst fired trigger modules designed to drive a wide range of thyristors and triacs. The proportionately controlled outputs operate on a 1 second cycle time, switching the power devices at zero voltage. Two models are available, a three phase unit for control of heater loads in either star or delta configuration and a single phase unit which is physically similar but designed to control power devices in either single phase or two wire configuration.


Opto-coupled circuitry permits automatic phase timing and hard firing of the power devices whilst substantially reducing the number of connections hence simplifying external wiring.
The control input signal is internally isolated and will accept either a d.c. signal or potentiometer. Proportional output control is indicated by a flashing LED. The module is designed for mounting on either standard or top hat profile or G profile DIN rail. External connections are via screw terminals, which together with the fuses are accessible from the front
Features
  • SPECIFICATION
  • Supply either.......................... 240V 50Hz 1.2VA or 15V to 32V d.c. 20mA
  • Signal span ........................... 2V to 30V d.c.
  • Zero offset.............................. 0 to 30% of span
  • Trigger current output.............. 250mA max continuous 1.0A for 10ms
  • Isolation to output................... 7500V peak
  • Line voltage of driven devices... 100V to 440V a.c.
  • Operating temperature........... -10OC to +60OC
  • Dimensions............................ 93W x 95D x 75H mm

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