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.
Product Positioning
The 3TX7402-3R is a surge suppressor for Siemens SIRIUS contactors and contactor relays. It is directly mounted on the coil terminal and is suitable for AC24-48V/DC24-70V low-voltage coils.
Core Product Advantages and Features
RC component design
The combination of resistors and capacitors suppresses surges, making it suitable for low-voltage AC/DC coil applications.
Terminal mounting
It can be directly mounted on the contactor coil terminal without requiring additional wiring space.
Low voltage range applicable
It covers AC24-48V and DC24-70V coil voltages, corresponding to common low-voltage control circuits.
Wide range of applicable models
It can be used in the 3TF40-45, 3TF3, 3TH3, 3TH4, 3TC44 and other series.
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3TX7402-3S
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.
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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.
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3TX7402-3K
The Siemens SIRIUS 3TX7402-3K varistor surge suppressor, rated at 240-400VAC, is installed at the contactor coil terminal with a cable spacer. It is suitable for S0-S2 size contactors and reduces the impact of surges on the control circuit.