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The SP-142758 is an SCR cell assembly kit from Allen Bradley designed for non-regenerative drives. This component is rated for a maximum current of 670 Amps and operates efficiently within a temperature range of 0 °C to 55 °C. It supports various horsepower ranges depending on the voltage input.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | SCR Cell Assembly Kit |
| Product Line | 1395 Spare Parts |
| Part Number | SP-142758 |
| Weight | 32.00 lbs (14.51 kg) |
| IP Rating | NEMA 1 / IP20 |
| Drive Type | Non-Regenerative Drive |
| Current Rating | 670 Amps |
| Snubber Boards | Upper and Lower |
| Horsepower Range | 125–200 HP @ 230 V; 250–400 HP @ 460 V |
| Cooling Method | Drive chassis heatsink conduction |
| Mounting Style | Bolt-on |
| Terminal Connections | Screw terminals / bus bar interface |
| Operating Ambient | 0 °C to 55 °C |
| Relative Humidity | 5% to 95%, non-condensing |
| Altitude | 1000 m |
| Storage Temperature | –20 °C to +70 °C |
| AC Source Voltage | 230 V / 460 V AC |
| Number of Cells per Drive Bridge | 6 SCR cells |
The Allen Bradley SP-142758 SCR cell assembly kit is engineered for use in non-regenerative drive systems. It features an impressive current rating of 670 Amps. This assembly includes six SCR cells per drive bridge, ensuring efficient performance in various applications. The product functions effectively with an AC input voltage of either 230 V or 460 V, supporting a wide horsepower range that varies from 125–200 HP at 230 V to 250–400 HP at 460 V.
An IP rating of NEMA 1 / IP20 signifies moderate protection against dust and moisture, making this assembly suitable for indoor environments. The SCR cell assembly kit provides an ideal cooling method through conduction via the drive chassis heatsink. Additionally, it employs upper and lower snubber boards, enhancing the system's operational reliability.
Connections are made via screw terminals or a bus bar interface, facilitating straightforward installation and maintenance. The assembly is designed to perform optimally in a variety of ambient conditions, with an operational temperature range from 0 °C to 55 °C and a relative humidity tolerance spanning from 5% to 95%, without condensation. This component can be utilized at altitudes of up to 1000 meters and can be stored in temperatures ranging from -20 °C to 70 °C. Overall, the SP-142758 serves as an essential part of Allen Bradley's 1395 series, ensuring robust operation in various industrial applications.
| Revision Part # | Also known as | |
|---|---|---|
| Ser A | SP-142758-A, Series A, Rev A | |
| Don't see your particular revision? Contact us now. | ||