3TX7402-3S
The Siemens 3TX7402-3S surge suppressor uses an RC element design and is directly mounted on the contactor coil terminal. It is suitable for AC48-127V/DC70-150V coils and can be used with 3TF40-45, 3TH3, 3TH4, 3TC44 and other series.
Product Positioning
The 3TX7402-3S is a surge suppressor for Siemens SIRIUS contactors and contactor relays, designed for direct mounting on the coil terminals and suitable for AC48-127V/DC70-150V coils.
Core Product Advantages and Features
RC component design
The combination of resistors and capacitors suppresses surges, making it suitable for medium and low voltage AC/DC coils.
Terminal mounting
It can be directly mounted on the contactor coil terminal without requiring additional wiring space.
Applicable to medium and low voltage range
It covers the coil voltage range of AC48-127V and DC70-150V.
Wide range of applicable models
It can be used in the 3TF40-45, 3TF3, 3TH3, 3TH4, 3TC44 and other series.
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3TX7402-3T
The Siemens 3TX7402-3T surge suppressor uses an RC element design and is directly mounted on the contactor coil terminal. It is suitable for AC127-240V/DC150-250V coils and can be used with 3TF40-45, 3TH3, 3TH4, 3TC44 and other series.
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3TX7402-3R
The Siemens 3TX7402-3R surge suppressor uses an RC element design and is directly mounted on the contactor coil terminal. It is suitable for AC24-48V/DC24-70V low-voltage coils and can be used with 3TF40-45, 3TH3, 3TH4, 3TC44 and other series.
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3TX7402-3L
The Siemens SIRIUS 3TX7402-3L is a varistor-type surge suppressor with a rated voltage of 400-600VAC. It can be directly installed on the coil terminals of S0-S2 size contactors to absorb induced surges during power failure, extending the life of contacts and surrounding electronic components.