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Siemens 3RT1056-6AP36 Power Contactor - 185A, 90kW, 220-240V AC/DC

Siemens 185A Power Contactor

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ManufacturerSiemens

Part number3RT1056-6AP36

Part Number 3RT1056-6AP36

Rating AC-3e/AC-3 185 A, 90 kW @ 400 V

Coil Voltage 220-240 V AC/DC

Auxiliary Contacts 2 NO + 2 NC

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185A AC-3e/AC-3 rating 90kW power switching 220-240V AC/DC coil 2 NO + 2 NC auxiliary contacts Busbar main terminals Screw control terminals

Product description

The Siemens 3RT1056-6AP36 is a power contactor rated for AC-3e/AC-3 use at 185 A and 90 kW at 400 V AC (50-60 Hz). It features a coil voltage of 220-240 V AC/DC and includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. The main circuit utilizes busbar connections, while the control and auxiliary circuits use screw terminals.

This contactor is designed for heavy-duty industrial applications such as motor starting, switching capacitor banks, and general power switching. It is commonly used in motor control centers, power distribution panels, and machinery requiring reliable and robust switching capabilities.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT1056-6AP36. Source your industrial power components from us and ensure the reliability and longevity of your electrical systems.

Technical specifications

Part Number	3RT1056-6AP36
Rating	AC-3e/AC-3 185 A, 90 kW @ 400 V
Coil Voltage	220-240 V AC/DC
Auxiliary Contacts	2 NO + 2 NC
Main Circuit Terminals	Busbar
Control Circuit Terminals	Screw

Common applications

Motor Starting

Power Switching

Industrial Control Panels

Motor Control Centers

Capacitor Switching

Compatible systems

Siemens 3RT Contactor Series

Also known as

Siemens 185 Amp Contactor 3RT1056 Contactor

Replaces / compatible with

This is a high-capacity power contactor from Siemens' 3RT series, suitable for replacing older contactors with similar ratings or as a component in new motor control designs.

Technical note

Expert tip

Ensure proper torque is applied to the busbar connections and screw terminals as per Siemens' specifications to guarantee secure electrical contact and prevent overheating.

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Frequently asked questions

What are the coil voltage and auxiliary contacts for the Siemens 3RT1056-6AP36 contactor?

The Siemens 3RT1056-6AP36 power contactor operates with a 220-240 V AC/DC coil. It is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for additional control functions.