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Siemens 3RT1036-1BB44 Contactor - 50A, 24V DC, 2 NO + 2 NC

Name: Siemens 3RT1036-1BB44
Brand: Siemens
SKU: 3RT1036-1BB44
Availability: InStock

Siemens 3RT1036-1BB44 3-pole power contactor with 24V DC coil and aux contacts.

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ManufacturerSiemens

Part number3RT1036-1BB44

Type Power Contactor

AC-3 Current Rating 50 A

Power Rating 22 kW / 400 V

Coil Voltage 24 V DC

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AC-3 rating 50A current 22kW power 24V DC coil 2 NO + 2 NC auxiliary contacts Size S2

Product description

The Siemens 3RT1036-1BB44 is a 3-pole power contactor for AC-3 applications, rated at 50A and 22 kW / 400V. It features a 24V DC coil and includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. This size S2 contactor uses screw terminals.

This contactor is designed for applications requiring both main power switching and auxiliary functions, powered by a 24V DC control source. It finds use in motor control, automation systems, and control panels within industrial settings. The SIRIUS 3RT1 series is known for its durability and versatility.

Stanlo Automation, a veteran-owned surplus distributor, provides access to legacy and hard-to-find industrial automation parts like the Siemens 3RT1036-1BB44. We help keep your operations running smoothly by offering reliable surplus components.

Technical specifications

Type	Power Contactor
AC-3 Current Rating	50 A
Power Rating	22 kW / 400 V
Coil Voltage	24 V DC
Poles	3
Auxiliary Contacts	2 NO + 2 NC
Size	S2
Terminals	Screw

Common applications

Motor control

DC control circuits

Automation systems

Industrial machinery

Control panels

Signaling circuits

Also known as

Siemens 3RT1036-1BB44 Contactor SIRIUS 3RT1 DC Contactor 3RT1036 DC Contactor with aux

Replaces / compatible with

This is a phased-out product. The preferred successor type is Siemens 3RT2036-1KB44.

Technical note

Expert tip

The captive auxiliary switch on this model is designed for specific SUVA applications, offering enhanced safety features.

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Frequently asked questions

What are the auxiliary contacts on the Siemens 3RT1036-1BB44 used for?

The 2 NO and 2 NC auxiliary contacts on the Siemens 3RT1036-1BB44 are typically used for control interlocking, status feedback, or signaling purposes within an automation system, in addition to the main power switching.