Siemens SIRIUS 3RT2327-1AP60 Contactor 4-Pole AC-1, 50A, 220V/240V Coil, S0 Size Original Brand New

Overview

The Siemens SIRIUS 3RT2327-1AP60 is a high-performance 4-pole AC-1 contactor designed for reliable switching of weak or non-inductive loads. This robust S0 size contactor features a 50 A current rating at 400 V / 40 °C, making it suitable for a wide range of industrial applications including disconnecting loads, power generation plant integration, and transfer switching. Equipped with a versatile 220 V AC (50 Hz) / 240 V (60 Hz) operating coil and 1 NO + 1 NC auxiliary contacts, the 3RT2327-1AP60 ensures dependable operation and flexible integration into control circuits. Its user-friendly screw terminals facilitate straightforward installation, adhering to stringent IEC standards for safety and performance.

Function & Features

• 4-Pole AC-1 Contactor: Specifically engineered for switching resistive (non-inductive) loads up to 50 A.
• Versatile Coil Voltage: Operates on 220 V AC (50 Hz) or 240 V AC (60 Hz) for broad compatibility.
• Integrated Auxiliary Contacts: Comes with 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contact for enhanced control circuit functionality.
• Screw Terminals: Provides secure and reliable wiring connections for both main and auxiliary circuits.
• Compact S0 Size: Optimized dimensions for space-saving installation within control panels.
• IEC Compliance: Manufactured to meet international standards IEC 60947-1, IEC 60947-4-1, and IEC 60947-5-1, ensuring safety and quality.
• Expandable Auxiliary Switches: Basic unit can be expanded with additional auxiliary switches for increased control flexibility.
• Motor Protection Compatibility: Seamlessly integrates with 3RU2 thermal overload relays or 3RB3 electronic overload relays for comprehensive motor protection (when used in relevant applications).
• Surge Suppression Option: Coil circuit can be retrofitted with RC elements, varistors, or diodes (sold separately as accessories) for damping opening surges, extending coil lifespan.
• High Contact Reliability: Auxiliary contacts are highly reliable, suitable for low voltages (≤ 110 V) and currents (≤ 100 mA), ideal for solid-state circuits.

Benefit

• Reliable Performance: Designed for consistent and safe switching of non-inductive loads, ensuring operational stability.
• Enhanced Safety: Conforms to international safety standards, providing peace of mind in industrial environments.
• Flexible Integration: Multiple connection methods and compatibility with various protection devices allow for seamless integration into diverse control systems.
• Durable Construction: Built with high-quality materials for long-lasting performance in demanding industrial conditions.
• Easy Installation & Maintenance: Screw terminals and replaceable solenoid coils (for 3RT233 versions, and generally for 3RT23 series) simplify wiring and upkeep.
• Scalability: Ability to add auxiliary contacts allows for future expansion of control functions without replacing the entire unit.
• Optimized for Load Switching: Ideal for applications requiring robust switching of resistive loads, grid disconnections, and transfer switching.

Protection & Compatibility:

• Short-circuit and Overload Protection: All connections (main, auxiliary, control) require appropriate protection. Refer to the technical product data sheet and configuration manuals for detailed guidance.
• Overvoltage Protection: Optional surge suppressors (RC elements, varistors, diodes) available as accessories for coil protection.
• Motor Protection: Compatible with Siemens 3RU2 thermal overload relays and 3RB3 electronic overload relays for direct mounting.

Connection Methods:

• Main Circuit: Screw terminals.
• Auxiliary and Control Circuit: Screw terminals.

Application

The Siemens 3RT2327-1AP60 contactor is ideally suited for:

• Four-pole switching of weak or non-inductive loads (AC-1).
• Disconnecting loads or power generation plants from the grid.
• Transfer switching applications.

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