Siemens 3RT1056-6NF36 Contactor S6 185A

Product Description

The SIEMENS 3RT1056-6NF36 is a Size S6 three-phase power contactor rated at 185 amps, designed for switching and controlling motor loads and other heavy-duty electrical circuits. Built to IEC standards, this contactor handles high-current applications where reliable switching performance and long mechanical life are required. At 7.352 pounds and measuring 5.079 inches by 7.480 inches by 7.126 inches, it is a substantial device suited for panel or DIN-rail installation in industrial and commercial electrical enclosures. Licensed electricians and industrial maintenance technicians are the primary installers for this class of device.

The 3RT1056-6NF36 is used in motor control centers, industrial control panels, and commercial electrical distribution systems. Typical applications include HVAC equipment, pumping systems, compressors, conveyor drives, and other three-phase motor loads requiring contactor-based switching. It fits into new panel builds as well as retrofit and replacement scenarios where an IEC Size S6 contactor is specified.

Key Features

• 185-amp continuous current rating for high-load motor control applications
• IEC Size S6 frame for direct replacement or upgrade of same-frame contactors
• Heavy-duty construction weighing 7.352 pounds, built for industrial-grade duty cycles
• Compact footprint at 5.079 inches x 7.480 inches x 7.126 inches for panel integration
• Sold individually, one contactor per pack

Compatibility

Designed as an OEM-style IEC Size S6 contactor replacement for three-phase motor control and power switching applications requiring a 185-amp rated device.

Installation Notes

Installation should be performed by a licensed electrician in accordance with NEC requirements and applicable local codes. De-energize and lock out the circuit at the upstream disconnect or breaker before removing or installing any contactor. Verify that the coil voltage and pole ratings match the application before energizing. Secure all line, load, and control wiring connections to the manufacturer-specified terminal torque values noted in the product documentation.

Technical Specifications

• Current Rating: 185 amps
• Frame Size: S6
• Length: 5.079 inches
• Width: 7.480 inches
• Height: 7.126 inches
• Weight: 7.352 pounds
• Pack Quantity: 1
• UPC: 75455477368

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 3RT1056-6NF36