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TFKSTA8
The TFKSTA8 from GE Fanuc Emerson serves as a specialized shunt trip unit compatible with TFK frame circuit breakers. Designed for remote tripping, it operates on a control voltage of 24 VDC and supports both two- and three-pole configurations.
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Technical specifications for TFKSTA8
| Manufacturer | GE Fanuc Emerson |
|---|---|
| Product Type | Shunt Trip Unit |
| Product Line | Spectra |
| Part Number | TFKSTA8 |
| UPC | 783164122787 |
| Accessory Type | Shunt Trip |
| Frame Compatibility | TFK Frame |
| Voltage Rating (Control) | 24 VDC |
| Mounting Position | Left or Right Pole |
| Poles Supported | 2- or 3-pole breakers |
| Trip Function | Remote tripping capability |
| Terminal Type | Screw clamp terminals |
| Wire Size Supported | 14–10 AWG |
| Insulation Class | Class B |
| Dielectric Strength | 2200 V RMS |
| Operating Coil Resistance | 50 Ω (at 24 VDC) |
| Response Time | < 50 ms |
The GE Fanuc Emerson TFKSTA8 is a shunt trip unit designed to enhance circuit breaker functionality. This unit fits specifically with the TFK frame and provides the ability to trip breakers remotely. It operates with a control voltage of 24 VDC, making it suitable for various applications. This accessory can be mounted on either the left or right pole, providing flexibility in installation.
The TFKSTA8 supports both two-pole and three-pole breakers, allowing for versatile integration based on the system requirements. It is outfitted with screw clamp terminals capable of accepting wire gauges from 14 to 10 AWG, ensuring secure electrical connections. Designed for durability, this shunt trip unit holds an insulation class rating of Class B.
Equipped with a dielectric strength of 2200 V RMS, it ensures reliable operation even in demanding conditions. The operating coil resistance is measured at 50 Ω at a control voltage of 24 VDC, indicating efficient performance. Furthermore, the TFKSTA8's response time is less than 50 milliseconds, allowing for quick tripping actions in emergency situations.
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