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Siemens 3RT2017-1JB41 PLC Output Contactor with Diode - 12A, 5.5kW, 24V DC

Siemens 3RT2017-1JB41 PLC contactor with diode and 1 NO aux.

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ManufacturerSiemens

Part number3RT2017-1JB41

Type Power Contactor

AC-3e/AC-3 Rating 12A

Power Rating 5.5 kW @ 400 V

Poles 3

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AC-3e/AC-3 rated 5.5 kW power capacity 24V DC coil with wide range (0.7-1.25*Uc) Integrated suppression diode Suitable for PLC outputs 1 NO auxiliary contact Size S00

Product description

The Siemens 3RT2017-1JB41 is a specialized 3-pole power contactor for AC-3e/AC-3 applications, rated at 12A and 5.5kW (400V). It operates on a 24V DC coil with a control voltage range of 0.7-1.25*Uc and includes an integrated suppression diode for circuit protection. This variant features one normally open (NO) auxiliary contact. It is built in size S00 with screw terminals and cannot accommodate additional auxiliary switches, making it ideal for direct PLC output integration.

This contactor is engineered for reliable interfacing with PLC outputs, offering protection against inductive coil transients. Its configuration is perfect for motor control, automation tasks, and load switching in systems managed by PLCs, ensuring operational stability and component longevity.

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Technical specifications

Type	Power Contactor
AC-3e/AC-3 Rating	12A
Power Rating	5.5 kW @ 400 V
Poles	3
Coil Voltage	24 V DC (0.7-1.25*Uc)
Auxiliary Contacts	1 NO
Feature	Integrated suppression diode, PLC output compatible, no add-on switch
Terminal Type	Screw
Size	S00

Common applications

PLC controlled systems

Motor control

Industrial automation

Machine control

Automation panels

Load signaling

Compatible systems

Siemens SIRIUS 3RT2 series Compatible with PLC outputs (e.g., Siemens S7, Allen-Bradley ControlLogix/CompactLogix)

Also known as

Siemens SIRIUS 3RT2017-1JB41 3RT20171JB41 Siemens PLC Contactor with Diode

Replaces / compatible with

This contactor is designed for direct integration with PLC outputs, offering both surge suppression and signal capability. It can replace standard DC contactors in PLC-controlled applications where such features are beneficial.

Technical note

Expert tip

The fixed configuration with no provision for adding auxiliary switches simplifies installation for direct PLC interfacing, ensuring the integrity of the control signal.

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Frequently asked questions

How does the Siemens 3RT2017-1JB41 protect PLC outputs?

The Siemens 3RT2017-1JB41 is designed for PLC outputs with a specific 24V DC coil range (0.7-1.25*Uc) and an integrated suppression diode. This combination prevents damaging back-EMF from reaching the PLC and ensures a stable control signal.