Siemens SIRIUS 3RT1064-6AP36 Power Contactor, 225A, 110kW, 220-240V AC/DC Coil, Size S10 Original Brand New

Overview

The Siemens SIRIUS 3RT1064-6AP36 is a high-performance, 3-pole power contactor designed for reliably switching motors and other loads up to 225 A (AC-3) and 110 kW at $400\text{ V}$. Part of the modular SIRIUS system, this robust size S10 contactor is engineered for demanding industrial control applications. It features a conventional, highly versatile $220-240\text{ V}$ AC ($50-60\text{ Hz}$) / DC operating coil, simplifying inventory and use in various control voltage schemes.

Key Features & Specification

• Product Number: 3RT1064-6AP36
• Brand: Siemens SIRIUS
• Type: Power Contactor (Motor Switching)
• Contactor Size: S10
• Poles: 3-pole main circuit (3 NO)
• Operational Current (Ie​): $225\text{ A}$ (at $400\text{ V}$, AC-3/AC-3e)
• Rated Power: $110\text{ kW}$ (at $400\text{ V}$, AC-3/AC-3e)
• Control Supply Voltage (Uc​): $220-240\text{ V}$ AC ($50/60\text{ Hz}$) / DC (Conventional Drive)
• Auxiliary Contacts: Pre-installed $2\text{ NO}+2\text{ NC}$
• Main Circuit Connection: Busbar terminals for secure, high-current connections
• Control/Auxiliary Circuit Connection: Reliable Screw terminals
• High Reliability: Exceptional mechanical lifespan for demanding operations.

Benefit

• Versatility with AC/DC Coil: The wide-range $220-240\text{ V}$ UC (AC/DC) coil reduces complexity in design and inventory, allowing the same unit to be used for both AC and DC control voltages.
• Space-Saving Design: Despite its high current rating (225A), the compact Size S10 design integrates easily into control cabinets, maximizing panel space.
• High Power Handling: Rated for $110\text{ kW}$ and $225\text{ A}$, making it ideal for starting and controlling powerful three-phase motors.
• Integrated Auxiliary Contacts: The included $2\text{ NO}+2\text{ NC}$ auxiliary contacts provide immediate signaling and interlocking capabilities without needing external blocks.
• Robust Connectivity: The combination of busbar connections for the main circuit and screw terminals for control ensures both high-power integrity and easy, secure wiring for the control circuit.

Function

The Siemens 3RT1064-6AP36 contactor is primarily used for switching electric motors, especially in applications with a high frequency of operation. It functions as an electrically controlled switch:

1. When the control voltage ($220-240\text{ V}$ AC/DC) is applied to the coil (conventional drive), the electromagnet pulls the armature.
2. This mechanical action closes the three main contacts, allowing the high-power current to flow to the motor (or other load).
3. Simultaneously, the auxiliary contacts change state ($2\text{ NO}$ close, $2\text{ NC}$ open) to provide status feedback or control interlocking circuits.
4. When the control voltage is removed, the main contacts open, interrupting the power flow and shutting down the motor.

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