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surge suppressor, RC element, 127-240 V AC, 50/60 Hz, 150-250 V DC, for contactors 3RT2.3 - 3RT2936-1CD00

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Product Description


Siemens SIRIUS RC Surge Suppressor 127–240V AC / 150–250V DC for 3RT2.3 Contactors – 3RT2936-1CD00

Product Description

The Siemens 3RT2936-1CD00 is a genuine Siemens SIRIUS RC Element Surge Suppressor designed for compatible 3RT2.3 contactors. This contactor coil surge suppressor helps reduce voltage transients generated when an inductive contactor coil is switched off, supporting reliable operation of control circuits and connected electrical components. Siemens specifies this accessory for S2-size 3RT2.3 contactors.

The 3RT2936-1CD00 RC surge suppressor supports a control supply voltage of 127–240V AC at 50/60Hz and 150–250V DC. Its RC-element design is suitable for AC and DC control supplies within the specified voltage ranges, making it a practical accessory for industrial motor control, automation panels, and contactor control applications.

This Siemens SIRIUS surge suppressor uses clip-on mounting, allowing convenient installation on compatible 3RT2.3 contactors. The compact 30 × 30 × 15 mm construction is suitable for industrial control panels where reliable coil suppression and efficient use of panel space are important. Siemens specifies an operating ambient temperature range of -25°C to +60°C and a storage temperature range of -40°C to +80°C.

The Siemens 3RT2936-1CD00 is suitable for motor starter assemblies, Motor Control Centers (MCC), industrial automation panels, PLC-controlled machinery, OEM control cabinets, factory automation systems, and electrical control panels using compatible Siemens 3RT2.3 contactors.

At SB Smart, Faridabad, we supply genuine Siemens SIRIUS surge suppressors, contactors, overload relays, motor protection devices, soft starters, MCCBs, MCBs, and industrial automation products with competitive pricing, GST invoices, technical support, bulk-order assistance, secure packaging, and delivery across Faridabad, Delhi NCR, and major cities throughout India.


Key Features

  • Genuine Siemens SIRIUS RC Surge Suppressor

  • Model: 3RT2936-1CD00

  • Product Type: RC Element

  • Designed for Siemens 3RT2.3 Contactors

  • Compatible Contactor Size: S2

  • AC Control Voltage: 127–240V AC

  • AC Frequency: 50/60Hz

  • DC Control Voltage: 150–250V DC

  • AC/DC control supply compatibility

  • Clip-on mounting

  • Mounting position: Any

  • Compact industrial design

  • Helps suppress contactor coil switching voltage transients

  • Operating temperature: -25°C to +60°C

  • Storage temperature: -40°C to +80°C

  • Dimensions: approximately 30 × 30 × 15 mm

  • Net Weight: approximately 0.009 kg

  • CE / UL / CSA suitability listed by Siemens


Applications

  • Siemens 3RT2.3 Contactor Protection

  • Industrial Motor Control Panels

  • Motor Starter Assemblies

  • Motor Control Centers (MCC)

  • Industrial Automation Panels

  • PLC-Controlled Machinery

  • Factory Automation Systems

  • OEM Control Cabinets

  • Machine Control Systems

  • Electrical Control Panels

  • Manufacturing Equipment

  • Contactor Coil Surge Suppression


Benefits

  • Helps suppress voltage transients produced during contactor coil switching

  • Helps reduce electrical stress on connected control components

  • Supports reliable contactor control operation

  • Suitable for specified AC and DC control voltages

  • Designed specifically for Siemens 3RT2.3 S2 contactors

  • Clip-on design simplifies installation and maintenance

  • Compact construction saves valuable panel space

  • Helps improve control circuit reliability

  • Supports reduced switching disturbances

  • Genuine Siemens SIRIUS accessory

  • Suitable for industrial motor control and automation systems


Frequently Asked Questions (FAQs)

Q1. What is Siemens 3RT2936-1CD00 used for?

The Siemens 3RT2936-1CD00 is an RC element surge suppressor used with compatible Siemens SIRIUS 3RT2.3 contactors to help suppress voltage transients generated when the contactor coil is switched.

Q2. What AC voltage is supported by 3RT2936-1CD00?

The 3RT2936-1CD00 supports 127–240V AC at 50Hz or 60Hz.

Q3. What DC voltage is supported?

The Siemens RC element supports a 150–250V DC control supply voltage.

Q4. Which contactors are compatible with 3RT2936-1CD00?

The 3RT2936-1CD00 is designed for Siemens SIRIUS 3RT2.3 contactors and is specified for S2 contactor size.

Q5. What type of surge suppressor is 3RT2936-1CD00?

It is an RC element surge suppressor, designed to reduce switching voltage transients associated with inductive contactor coils.

Q6. How is the 3RT2936-1CD00 installed?

The accessory uses clip-on mounting and can be installed directly on the compatible Siemens SIRIUS contactor.

Q7. Can the 3RT2936-1CD00 be used with both AC and DC coils?

Yes. Siemens specifies the RC element for 127–240V AC at 50/60Hz and 150–250V DC, provided the contactor coil and control supply are within the specified ranges.

Q8. What are the dimensions of the 3RT2936-1CD00?

The Siemens datasheet specifies approximately 30 mm height × 30 mm width × 15 mm depth.

Q9. What is the operating temperature range?

The specified operating ambient temperature range is -25°C to +60°C, while the storage temperature range is -40°C to +80°C.

Q10. Is 3RT2936-1CD00 a complete contactor?

No. The 3RT2936-1CD00 is an RC surge suppressor accessory, not a complete contactor. It is intended for use with compatible Siemens SIRIUS 3RT2.3 contactors.

Q11. Why buy Siemens 3RT2936-1CD00 from SB Smart?

SB Smart, Faridabad supplies genuine Siemens SIRIUS surge suppressors, contactors, overload relays, motor protection products, and industrial automation components with competitive pricing, GST invoices, technical support, bulk-order assistance, secure packaging, and delivery across Faridabad, Delhi NCR, and India.

Technical Specifications

SpecificationDetails
Product NameSurge Suppressor RC Element
BrandSiemens
SeriesSIRIUS 3RT29
Model Number3RT2936-1CD00
SKU3RT2936-1CD00
Product TypeRC Surge Suppressor
Suppressor DesignRC Element
Rated AC Voltage127–240V AC
Frequency50/60 Hz
Rated DC Voltage150–250V DC
Voltage TypeAC/DC
Suitable Contactor SizeS2
Compatible SeriesSiemens SIRIUS 3RT2
Mounting TypeClip-On
FunctionCoil Surge Protection
ApplicationEMI Reduction & Transient Voltage Suppression
Operating Temperature-25°C to +60°C
Net WeightApprox. 0.009 kg
Product FamilySiemens SIRIUS Accessories
ComplianceCE, RoHS

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