Siemens 3RT1987-4AA1 Phase Barrier (4 Units) for SIRIUS 3RT1485, 3RT1486, 3RT1487 Contactors Original Brand New

Overview: Siemens 3RT1987-4AA1 Phase Barrier

The Siemens 3RT1987-4AA1 is an essential accessory kit designed to enhance the electrical safety and reliability of your SIRIUS 3RT.4 high-current contactors. Specifically engineered as an insulation barrier, this kit contains four (4) units necessary for proper phase separation and increased protection against electrical arcing or short circuits between phases on large frame contactors.

It is the genuine, manufacturer-recommended accessory for the 3RT1485, 3RT1486, and 3RT1487 series of power contactors, ensuring a perfect fit and compliance with relevant safety standards.

Benefit

• Enhanced Electrical Safety: Provides critical physical and electrical separation between power phases, significantly reducing the risk of accidental flashovers or phase-to-phase short circuits, particularly in humid or dusty environments.
• Protects Equipment: Helps to maintain the integrity and longevity of your expensive SIRIUS power contactors by mitigating internal component damage from electrical faults.
• Guaranteed Compatibility: As an official Siemens accessory, it guarantees a seamless and secure installation with the specified 3RT1485, 3RT1486, and 3RT1487 contactor frames.
• Compliance and Reliability: Essential for meeting insulation and creepage distance requirements in high-power applications (AC-1 loads up to 2650 A for the compatible contactors).

Application

This Siemens 3RT1987-4AA1 phase barrier is ideal in industrial automation settings where 3-pole contactors from the SIRIUS 3RT148 series are installed. Whether for new equipment installations, preventive maintenance, or system upgrades, using the correct barrier ensures your contactor assembly remains safe, compliant, and reliable.

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