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Siemens 3RT2036-3AL20 51A 22kW 3-Pole Contactor

Siemens 3RT2036-3AL20 51A 3-pole power contactor with 230V AC coil.

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ManufacturerSiemens

Part number3RT2036-3AL20

Poles 3

Rated operational current AC-3e/AC-3 (690V) 51 A

Rated operational power AC-3e/AC-3 (400V) 22 kW

Coil voltage 230 V AC

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AC-3e/AC-3 rating 230V AC coil 1 NO + 1 NC auxiliary contacts Screw main terminals Spring-loaded control/auxiliary terminals Size S2

Product description

The Siemens 3RT2036-3AL20 is a 3-pole power contactor designed for AC-3e/AC-3 applications, rated at 51A and 22kW for 400V systems. It features a 230V AC coil and includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contact. The main circuit utilizes screw terminals, while the control and auxiliary circuits employ spring-loaded terminals for robust and vibration-resistant connections.

This contactor is commonly used in industrial motor control, power distribution, and automation systems. The combination of screw and spring-loaded terminals offers flexibility in wiring, especially in environments where vibration might loosen screw connections.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT2036-3AL20. We are dedicated to providing quality surplus industrial automation components. Source your essential contactors from Stanlo and ensure your operations remain efficient and reliable.

Technical specifications

Poles	3
Rated operational current AC-3e/AC-3 (690V)	51 A
Rated operational power AC-3e/AC-3 (400V)	22 kW
Coil voltage	230 V AC
Frequency	50/60 Hz
Auxiliary contacts	1 NO + 1 NC
Main circuit terminals	Screw
Control/auxiliary circuit terminals	Spring-loaded
Size	S2

Common applications

Motor control

Load switching

Industrial automation

Control panels

Power distribution

Machine building

Compatible systems

Industrial control panels Automation systems Motor control circuits

Also known as

Siemens 3RT2036 Spring Terminal Contactor 3RT20 Series Contactor Siemens 51A 230V AC Contactor

Replaces / compatible with

The Siemens 3RT2036-3AL20 is suitable for replacing existing contactors with 230V AC coils and similar current/power ratings. The spring-loaded terminals offer an advantage in high-vibration environments.

Technical note

Expert tip

The spring-loaded terminals on the control and auxiliary circuits ensure a reliable connection that resists loosening due to vibration, a common issue in industrial settings.

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Frequently asked questions

What type of terminals are used for the control and auxiliary circuits on the Siemens 3RT2036-3AL20?

The Siemens 3RT2036-3AL20 features spring-loaded terminals for its control and auxiliary circuits. This type of terminal provides a secure and vibration-resistant connection, ideal for demanding industrial environments.