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Siemens 3RT1017-1AN21 SIRIUS 3RT Power Contactor

Siemens 3RT1017-1AN21 3-pole AC Power Contactor

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ManufacturerSiemens

Part number3RT1017-1AN21

Type Power Contactor

Manufacturer Siemens

Series SIRIUS 3RT

Part Number 3RT1017-1AN21

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AC-3 Rated Current 12A 5.5 kW Power Rating 3-Pole Configuration 1 Normally Open Auxiliary Contact 220V AC Coil Voltage Size S00

Product description

The Siemens 3RT1017-1AN21 is a 3-pole power contactor from the SIRIUS 3RT line, rated for AC-3 duty with a current of 12A and a power rating of 5.5 kW at 400V. It features one normally open (NO) auxiliary contact and operates with a 220V AC coil at 50/60 Hz. This Size S00 contactor utilizes screw terminals for reliable connections.

This power contactor is suitable for switching motors, resistive loads, and inductive loads across various industrial applications. It is commonly found in motor control centers, pump stations, HVAC systems, and general industrial automation where robust and reliable power switching is essential.

As a veteran-owned surplus parts distributor, Stanlo Automation offers a reliable source for industrial automation components. We ensure that even phased-out parts like the 3RT1017-1AN21 are available, providing cost-effective solutions for your MRO needs.

Technical specifications

Type	Power Contactor
Manufacturer	Siemens
Series	SIRIUS 3RT
Part Number	3RT1017-1AN21
AC-3 Current	12 A
Power	5.5 kW @ 400 V
Poles	3
Auxiliary Contacts	1 NO
Coil Voltage	220 V AC
Frequency	50/60 Hz
Size	S00
Terminals	Screw

Common applications

Motor Control

Pump Control

HVAC Systems

Industrial Automation

Lighting Control

General Power Switching

Compatible systems

Siemens 3RT overload relays SIRIUS modular system components

Also known as

Siemens 3RT1017-1AN21 Contactor SIRIUS 3RT1017-1AN21 Siemens 12A Contactor

Replaces / compatible with

This part is a phased-out product. The preferred successor is the Siemens SIRIUS 3RT2017-1AN21.

Technical note

Expert tip

This contactor is designed for direct switching of loads up to 12A AC-3 and requires proper thermal overload protection, typically a 3RT overload relay.

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Frequently asked questions

What are the key specifications of the Siemens 3RT1017-1AN21?

The Siemens 3RT1017-1AN21 is a 3-pole power contactor rated for AC-3 duty at 12A and 5.5kW at 400V. It features a 220V AC coil and one normally open (NO) auxiliary contact, with screw terminals and a Size S00 frame.