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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3TX7402-3T |
| Alternative Part Number | 3TX74023T |
| Manufacturer | Siemens |
| Product Designation | Surge Suppressor |
| Design | RC Element with Cable Spacer |
| Voltage Type | AC/DC |
| Control Supply Voltage Frequency | 50 Hz (1 rated value), 60 Hz (2 rated value) |
| Control Supply Voltage 1 at DC | 150 to 250 V |
| Control Supply Voltage 1 at AC | 127 to 240 V at 50 Hz, 127 to 240 V at 60 Hz |
| Ambient Temperature Operation | -25 to +55 °C |
| Ambient Temperature Storage | -40 to +80 °C |
| Certificates/Approvals | CE, UL, CSA |
| Suitable For | Mounting to coil terminal for contactors size S0-S2 |
The Siemens 3TX7402-3T is a robust surge suppressor component designed to enhance the longevity and reliability of your electrical systems. This RC element is engineered to be mounted directly to the coil terminal of contactors ranging from sizes S0 to S2. It operates effectively across a wide voltage range, accommodating 127-240 V AC and 150-250 V DC, making it a versatile choice for various industrial applications.
Crafted to mitigate the effects of voltage spikes and electrical transients, the 3TX7402-3T ensures that sensitive control circuits are shielded from potential damage. Its integration into your system contributes to the maintenance of optimal performance levels and helps prevent costly downtime due to electrical disturbances.
The surge suppressor is also characterised by its ease of installation, thanks to its thoughtful design which includes a cable spacer for secure and orderly wiring. With certifications such as CE, UL, and CSA, this component meets rigorous standards for quality and reliability.
Whether you're looking to safeguard new installations or upgrade existing setups, the Siemens 3TX7402-3T offers a dependable solution to protect your electrical investments. Its technical proficiency, combined with a straightforward implementation, makes it a valuable addition to any industrial control system.
Commonly Asked Questions
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Frequently Asked Questions
What is the purpose of this surge suppressor?
The surge suppressor is designed to protect electrical equipment from voltage spikes by limiting the voltage supplied to an electric device by either blocking or shorting to ground any unwanted voltages above a safe threshold.
Can this surge suppressor be used with both AC and DC control circuits?
Yes, this surge suppressor is suitable for use with control supply voltages that are either AC or DC, within the specified voltage range.
What are the voltage specifications for this surge suppressor?
The surge suppressor can handle control supply voltages of 127-240 V AC at 50/60 Hz or 150-250 V DC.
What are the operating temperature limits for this surge suppressor?
The operating temperature range for this surge suppressor is from -25°C to +55°C, and it can be stored at temperatures ranging from -40°C to +80°C.
What certifications does this surge suppressor hold?
This surge suppressor has received CE, UL, and CSA certifications, indicating its compliance with the respective standards and regulations.
How is this surge suppressor installed?
The surge suppressor is designed for mounting directly to the coil terminal of contactors, specifically for sizes S0 to S2.
What is the design of the surge suppressor?
The design of the surge suppressor includes RC elements, which are used to suppress the surges in electrical circuits.
Is there any specific maintenance required for this surge suppressor?
Under normal operating conditions, the surge suppressor does not require maintenance. However, it should be inspected periodically for signs of wear or damage.
What type of equipment is this surge suppressor typically used with?
This surge suppressor is typically used with contactors and relays in industrial control systems to protect against transient voltage spikes.
Are there any special considerations for disposing of this surge suppressor?
When disposing of the surge suppressor, it should be done in accordance with local regulations and recycling programs for electronic components.
