3TH4271-0BG8

Siemens SIRIUS 3TH4271-0BG8 Contactor Relay: 7 Normally Open, 1 Normally Closed, DC Coil
Siemens SIRIUS 3TH4271-0BG8 Contactor Relay: 7 Normally Open, 1 Normally Closed, DC Coil

Siemens SIRIUS 3TH4271-0BG8 contactor relay, 8 poles, 7 normally open and 1 normally closed contacts, DC coil type, AC-15 rated 6A (230V)/10A (400V), screw terminal, IP20 protection.

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Siemens SIRIUS 3TH4271-0BG8 Contactor Relay: 7 Normally Open, 1 Normally Closed, DC Coil
Product Positioning

The 3TH4271-0BG8 is a DC coil model from the Siemens SIRIUS 3TH4271 series. It features 7 normally open contacts and 1 normally closed contact, making it suitable for DC control circuits that require multi-point control and feedback signals.

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.
DC coil version
This part number belongs to the DC coil series. Please refer to Siemens' official selection data or quotation for the actual coil voltage.
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.
project Specification
model 3TH4271-0BG8
Product Type SIRIUS contactor relays
Contact configuration 7 normally open (NO) + 1 normally closed (NC)
Extreme number 8 poles
Coil type DC coil (please inquire for exact voltage)
Rated current (AC-15, 230V/400V) 6A/10A
Terminal type screw terminal
Installation method Guide rail clips/screws fixing
Protection level IP20
Ambient temperature -25°C ~ +55°C
External dimensions (height x width x depth) 78 x 45 x 135 mm

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