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Siemens 3RT1036-1AF04 SIRIUS 3RT Power Contactor — 50A, 110V AC Coil

Siemens 3RT1036-1AF04 3-pole power contactor, 50A, 110V AC coil, 2NO+2NC aux.

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ManufacturerSiemens

Part number3RT1036-1AF04

Poles 3

AC-3 Rating 50 A

Power 22 kW @ 400V

Coil Voltage 110V AC 50Hz

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AC-3 rated for motor loads 50A continuous current 110V AC coil Integrated 2 NO + 2 NC auxiliary contacts Screw terminals Size S2

Product description

The Siemens 3RT1036-1AF04 is a 3-pole power contactor from the SIRIUS 3RT series, rated for AC-3 applications at 50A, with a 22 kW power switching capability at 400V. This model is equipped with a 110V AC coil and includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. It features screw terminals and is designed in Size S2.

This contactor is ideal for motor control, automation systems, and power distribution where additional auxiliary contacts are required for interlocking, signaling, or control logic. Applications span manufacturing, material handling, and building automation.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT1036-1AF04. Secure quality industrial automation components to maintain your system's uptime and operational efficiency.

Technical specifications

Poles	3
AC-3 Rating	50 A
Power	22 kW @ 400V
Coil Voltage	110V AC 50Hz
Auxiliary Contacts	2 NO + 2 NC
Terminals	Screw
Size	S2
Series	SIRIUS 3RT

Common applications

Motor control

Industrial automation

Control logic

Signaling

Interlocking

Manufacturing

Material handling

Compatible systems

Control panels Motor starter assemblies Automation systems requiring auxiliary feedback

Also known as

Siemens 3RT1036-1AF04 Contactor SIRIUS 3RT1036 50A 110V AC Contactor with aux

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens SIRIUS 3RT2036-1AF04. Ensure the successor's auxiliary contact configuration matches your needs.

Technical note

Expert tip

The integrated auxiliary contacts on the 3RT1036-1AF04 simplify panel design by reducing the need for separate add-on blocks, while offering versatile control capabilities.

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Frequently asked questions

What auxiliary contacts are included with the Siemens 3RT1036-1AF04 contactor?

The Siemens 3RT1036-1AF04 power contactor comes with integrated auxiliary contacts, specifically 2 normally open (NO) and 2 normally closed (NC) contacts. These are useful for control circuits, interlocking, and signaling functions.