3TH4271-0AG2

Siemens SIRIUS 3TH4271-0AG2 Control Relay (110V AC coil, 7NO+1NC)
Siemens SIRIUS 3TH4271-0AG2 Control Relay (110V AC coil, 7NO+1NC)

The Siemens SIRIUS 3TH4271-0AG2 control relay features an 8-pole 7NO+1NC contact design, a 110V AC 50/60Hz dual-frequency coil, AC-15 rated 10A/230V, and dimensions of 78x45x102mm.

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Siemens SIRIUS 3TH4271-0AG2 Control Relay (110V AC coil, 7NO+1NC)
Product Positioning

The 3TH4271-0AG2 is an 8-pole control relay from the Siemens SIRIUS 3TH4 series. It features a 110V AC dual-frequency coil design with 7 NO+1 NC contacts, making it suitable for most 110V AC control power supply requirements.

Core Product Advantages and Features
110V AC dual-frequency coil
The coil supports dual-frequency operation at 50Hz and 60Hz, which can flexibly adapt to the AC control power specifications of different regions.
7NO+1NC contact configuration
A single relay provides 7 sets of normally open and 1 set of normally closed contacts, effectively simplifying the control panel wiring.
AC-15 rated switching capacity
The AC-15 has a rated current of 10A/230V and 6A/400V, which can be used to switch general contactor coil loads.
IP20 protection and wide temperature range design
It has an IP20 protection rating and can operate stably in environments ranging from -25°C to +55°C.
project Specification
model 3TH4271-0AG2
Product Type SIRIUS control relays (contactor type)
Contact configuration 7 NO + 1 NC (8 poles)
coil voltage 110 V AC, 50/60 Hz
AC-15 rated current 10 A / 230V; 6 A / 400V
Protection level IP20
Terminal type Screw terminals
Installation method 35mm DIN rail / screw fixing
External dimensions 78 x 45 x 102 mm (height x width x depth)
Ambient temperature -25°C ~ +55°C
Applicable Standards EN 50011 / IEC 60947-5-1

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