Product Description

Siemens SIRIUS Conventional Operating Mechanism AC/DC Coil 110–127 V, S10 Size - 3RT1965-5AF318K

Product Description

The Siemens 3RT1965-5AF318K is a SIRIUS conventional operating mechanism with a universal AC/DC coil, designed for compatible Siemens SIRIUS power contactors. It is intended for S10-size contactor applications and provides 110–127 V AC/DC control operation. The corresponding Siemens 3RT1965-5AF31 data specifies AC/DC operation and identifies the mechanism for 3RT106 and 3RT146 contactors.

The 3RT1965-5AF318K is suitable for replacement and maintenance applications in industrial motor-control panels, electrical control cabinets, automation systems, machine-control equipment, OEM panels, and factory electrical installations.

Its conventional AC/DC coil provides flexibility for control circuits operating from either AC or DC supply within the specified voltage range. The S10-size construction is designed for compatible Siemens SIRIUS contactor assemblies.

Key Features

• Brand: Siemens

• Product Family: SIRIUS

• Model: 3RT1965-5AF318K

• Product Type: Conventional Operating Mechanism

• Coil Type: Universal Conventional AC/DC Coil

• Control Supply: 110–127 V AC/DC

• AC Frequency: 50/60 Hz

• Contactor Size: S10

• Operating Mechanism: Conventional

• Terminal Connection: Screw Terminal

• Compatible Contactors: 3RT106 / 3RT146

• Application: Contactor replacement and maintenance

Applications

The Siemens 3RT1965-5AF318K is suitable for:

• Industrial motor-control panels

• SIRIUS power contactor assemblies

• Electrical control cabinets

• Motor starter systems

• Industrial automation equipment

• Machine control panels

• Factory automation systems

• OEM control panels

• Contactor maintenance and replacement

• Industrial switching applications

Benefits

• Universal AC/DC coil operation

• 110–127 V AC/DC control supply

• Suitable for 50/60 Hz AC control circuits

• Designed for S10-size SIRIUS contactors

• Conventional operating mechanism design

• Screw-terminal connection

• Suitable for replacement and maintenance requirements

• Reliable Siemens SIRIUS component

• Flexible solution for industrial control circuits

Why Choose Siemens 3RT1965-5AF318K?

The Siemens SIRIUS 3RT1965-5AF318K is a practical replacement operating mechanism for compatible SIRIUS contactors requiring a 110–127 V AC/DC conventional coil. Siemens documentation for the 3RT1965-5AF31 specifies AC/DC operation at 110–127 V and compatibility with 3RT106/3RT146 contactors.

The universal AC/DC design makes this component useful for industrial maintenance, OEM equipment, control-panel assembly, automation systems, and replacement applications where the existing contactor requires a compatible operating mechanism.

At SB Smart, Faridabad, we supply genuine Siemens SIRIUS power contactors, conventional operating mechanisms, replacement contact sets, terminal accessories, thermal overload relays, motor protection devices, soft starters, MCCBs, MCBs, and industrial automation products with GST billing, technical assistance, bulk-order support, secure packaging, and delivery across India.

Frequently Asked Questions

Q1. What is Siemens 3RT1965-5AF318K?
It is a Siemens SIRIUS conventional operating mechanism with a universal AC/DC coil for compatible power contactor assemblies.

Q2. What is the control voltage?
It is designed for 110–127 V AC/DC control operation.

Q3. What is the operating frequency?
The AC version is specified for 50–60 Hz operation.

Q4. What is the contactor size?
The 3RT1965-5AF318K is designed for S10-size SIRIUS contactor applications.

Q5. Is it an AC or DC coil?
It is a universal AC/DC conventional coil, allowing operation with AC or DC control supply within the specified voltage range.

Q6. Which contactors is it compatible with?
The corresponding Siemens 3RT1965-5AF31 operating mechanism is specified for 3RT106 and 3RT146 contactors.

Q7. Is 3RT1965-5AF318K a complete power contactor?
No. It is a conventional operating mechanism/coil component intended for compatible SIRIUS contactor assemblies.

Q8. Where can I buy Siemens 3RT1965-5AF318K in India?
SB Smart, Faridabad supplies Siemens SIRIUS operating mechanisms, contactors, spare parts, and industrial electrical and automation products with GST billing, technical assistance, bulk-order support, and delivery across India.