3RT1276-6AM36 - Siemens SIRIUS 3RT12 Vacuum Contactor 500A 250kW 400V 3-Pole

3RT1276-6AM36

3RT1276-6AM36 is a Siemens SIRIUS 3RT12 vacuum contactor designed for high-performance motor switching and frequent jog mode applications.

This vacuum contactor delivers reliable switching with exceptional contact endurance and compact design. The AC-3e/AC-3 rated unit features a 500 A main circuit capacity at 250 kW / 400 V, making it ideal for demanding industrial motor control applications. The contactor integrates conventional auxiliary contacts (2 NO + 2 NC) for flexible control logic and supports both AC and DC operation via 200-220 V coil. Main circuit connections use busbar terminals while auxiliary and control circuits employ screw terminals for secure installation. As part of the modular SIRIUS system, this contactor coordinates seamlessly with other load feeder components and offers direct or PLC-based automation connectivity.

• Rated Current: 500 A
• Power Rating: 250 kW at 400 V
• Duty: AC-3e/AC-3
• Poles: 3-pole
• Coil Voltage: 200-220 V AC/DC (50-60 Hz)
• Auxiliary Contacts: 2 NO + 2 NC
• Main Circuit Connection: Busbar
• Auxiliary/Control Circuit Connection: Screw Terminal
• Series: SIRIUS 3RT12
• Frame Size: S12

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Specifications

• Part Number: 3RT1276-6AM36
• Manufacturer : Siemens
• Brand : Siemens
• Category : Motor Control
• Item Subcategory : Contactor
• Section : Vacuum Contactor
• Family : Sirius
• Type : 3RT12
• Voltage : 600
• Amperage : 500
• Phase : 3
• Poles : 3
• Coil Voltage Maximum : 220
• Coil Voltage Minimum : 200

Product Data

• UPC : 075455477326
• GTIN : 00754554773261
• Weight : 25