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The 135893 SCR firing precharge board kit from Allen Bradley is engineered for efficiency in controlling SCR circuits. It can support systems with up to 75 horsepower and operates effectively in 3-phase setups with an input voltage rating between 380 to 460 Volts AC.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | SCR Firing Precharge Board Kit |
| Product Line | 1336 Adjustable |
| Part Number | 135893 |
| Weight | 3.00 lbs (1.36 kg) |
| UPC | 662553043513 |
| Mounting Style | Panel mount |
| Horsepower Capacity | 75 horsepower |
| Peak Vibration Resistance | Up to 1G |
| Operating Altitude | 1,000 meters (3,300 feet) above sea level |
| Input Frequency | 48 to 62 Hertz |
| Shock Endurance | Up to 15G for 11 milliseconds |
| Number of Phases | 3-phase |
| Input Voltage Rating | 380 to 460 Volts AC |
| AC Input Overvoltage Trip | 570 to 690 Volts AC |
| AC Input Undervoltage Trip | 275 to 343 Volts AC |
The Allen Bradley 135893 is a specialized SCR firing precharge board kit that serves compact setups efficiently. It performs with a capability of 75 horsepower and requires a three-phase input voltage in the range of 380 to 460 Volts AC.
This component is built for panel installation, making it convenient for various configurations within control panels. It is robust enough to endure peak vibration levels of up to 1G, ensuring durability in demanding environments. At an altitude of 1,000 meters or 3,300 feet, this board continues to function as expected, maintaining reliable performance in various operational scenarios.
Supporting an input frequency of 48 to 62 Hertz allows the unit to integrate seamlessly into many systems. Moreover, the unit features overvoltage and undervoltage protection. The AC input overvoltage trip engages at 570 to 690 Volts AC, while the undervoltage trip activates between 275 to 343 Volts AC. With shock endurance capable of withstanding up to 15G for a duration of 11 milliseconds, this precharge board kit provides a dependable solution in voltage regulation and motor control applications.