3RT1276-6AP36

The 3RT1276-6AP36 is a Siemens SIRIUS S12 frame vacuum contactor, 3-pole, AC-3 rated 500A, corresponding to a power of 250kW (400V), coil 220-240V AC/DC, using a traditional electromagnetic operating mechanism, equipped with 2NO+2NC auxiliary contacts, main circuit busbar connection, suitable for high current switching of large motors.

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The 3RT1276-6AP36 is a Siemens SIRIUS 3RT12 series S12 frame vacuum contactor, employing vacuum arc-extinguishing technology, suitable for large motor control and high-current power distribution systems. This model uses a traditional electromagnetic operating mechanism, with a coil voltage of 220-240V AC/DC, and is equipped with 2NO+2NC auxiliary contacts, ensuring stable and reliable operation. Kenxin Motors is an authorized Siemens distributor, providing genuine German products and comprehensive technical consultation services.

Core Product Advantages and Features
S12 Large Vacuum Contactor
Vacuum arc-extinguishing structure, suitable for high-current, high-power motors and power distribution systems.
AC-3 rated 500A/250kW
AC-3 rated current is 500A at 400V, corresponding to a power of 250kW, with strong load capacity.
220-240V AC/DC coil
Traditional electromagnetic coils are compatible with both AC and DC control power supplies.
2NO+2NC auxiliary contacts
Standard configuration includes 2 sets of normally open and 2 sets of normally closed auxiliary contacts, facilitating interlocking control design.
Busbar type main circuit terminal
The main circuit adopts a connector design, which is suitable for high-current wiring and provides stable and reliable contact.
Made in Germany
Manufactured by Siemens in Germany, Kenxin Motor provides authorized dealerships with a guarantee of genuine products.
project Specification
brand Siemens
series SIRIUS 3RT12 (Vacuum Contactor)
model 3RT1276-6AP36
Frame size S12
Extreme number 3 poles
AC-3 rated current 500 A (400V)
Corresponding power 250 kW (400V)
coil voltage 220-240 V AC (50-60Hz)/DC
Operating mechanism type Traditional electromagnetic
Auxiliary contact 2 NO + 2 NC
Main circuit terminals busbar connection
Control/Auxiliary Circuit Terminals Screw terminals
Place of origin Germany
Reference weight 10.628 kg
Reference dimensions 289 × 233 × 272 mm