3TH4271-0BG4
Siemens SIRIUS 3TH4271-0BG4 contactor relay, 8 poles, 7 normally open and 1 normally closed contacts, coil 125V DC, AC-15 rated 6A (230V)/10A (400V), screw terminal, IP20 protection.
Product Positioning
The 3TH4271-0BG4 belongs to the Siemens SIRIUS 3TH4271 series. It features 7 normally open contacts and 1 normally closed contact, with a 125V DC coil, making it suitable for expanding contact requirements of specific DC control power supply specifications.
Core Product Advantages and Features
7NO+1NC contact configuration
The 8-pole contacts consist of 7 normally open and 1 normally closed groups, which can simultaneously provide multiple control signals and one feedback confirmation signal.
125V DC coil
The coil has a rated control voltage of 125V DC, which is suitable for specific DC control panel power supply specifications.
Screw terminal design
Both the main and auxiliary circuits use screw terminals for connection, making wiring and maintenance identification relatively intuitive.
Flexible installation method
It supports quick installation with 35mm guide rail clips, and can also be fixed to the panel with screws, improving construction flexibility.
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3TH4271-0BG8
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3TH4271-0BF4
The Siemens SIRIUS 3TH4271-0BF4 control relay features an 8-pole design with 7 NO + 1 NC contacts, a 110V DC coil power supply, and can be mounted on a 35mm standard DIN rail. It is suitable for signal amplification and expansion applications in DC control circuits.
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3TH4271-0BB4
The Siemens SIRIUS 3TH4271-0BB4 control relay features an 8-pole design with 7 NO+1 NC contacts, 24V DC coil power supply, and can be mounted on a standard DIN rail. It is suitable for expanding PLC output contacts and signal conversion.