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3RH2131-1KB40
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3RH2131-1KB40
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SIEMENS
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3RH2131-1KB40 - Coupling contactor relay, 3 NO + 1 NC, 24 V DC, 0.7 ... 1.25- US, with integrated suppressor diode, Size S00, screw terminal suitable for PLC outputs - siemens

Cat No. 3RH2131-1KB40
Category Auxiliary Contactors
Stock Back Ordered
Condition Brand New, Sealed Packaging
Product Type Auxiliary Contactors
Please contact us for the exact delivery timeline

Back Ordered

$62.78

Lead Time: 25 Working Days.

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Technical Documents

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Technical Specification

SIEMENS 3RH2131-1KB40 Auxiliary Contactors Technical Specification

Auxiliary Contactors
Auxiliary Contact 3NO+1NC
Coil Voltage 24Vdc
Model 3RH21

Product Details

Siemens 3RH2131-1KB40 - Coupling contactor relay, 3 NO + 1 NC, 24 V DC, 0.7... 1.25* US, with integrated suppressor diode, Size S00, screw terminal suitable for PLC outputs. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Product Dimensions

SIEMENS 3RH2131-1KB40 dimensions and weight

Dimensions (L × W × H)
Length 6.25 cm
Width 7.69 cm
Height 7.69 cm
Weight
Net Weight 0.5 kg

Dimensions are approximate. For precise dimensional drawings, contact us.

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Product Overview

Siemens 3RH2131-1KB40 - Coupling contactor relay, 3 NO + 1 NC, 24 V DC, 0.7... 1.25* US, with integrated suppressor diode, Size S00, screw terminal suitable for PLC outputs. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Frequently Asked Questions for 3RH2131-1KB40

The Siemens 3RH2131-1KB40 auxiliary contactor provides reliable auxiliary switching for control circuits, offering high mechanical endurance, low power consumption coils, compact modular design, and compatibility with Siemens motor starters and control devices.
It is used in control panels, automation systems, MCC panels, interlocking circuits, signalling applications, and auxiliary feedback switching for contactors and breakers.
It provides additional NO/NC contacts used for signalling, interlocking, status indication, and logic control functions, improving circuit flexibility and automation reliability.
Check the coil voltage, number of contacts required, mounting style, compatibility with the main contactor or relay, and control voltage specifications.
Ensure correct DIN rail or panel mounting, verify coil voltage, connect control wiring as per Siemens diagrams, and confirm proper terminal tightening for reliable operation.
Pricing varies depending on the contact configuration and coil rating. Visit Electrihub for updated Siemens auxiliary contactor pricing and stock details.
The official Siemens datasheet for 3RH2131-1KB40 is available on Electrihub, including wiring diagrams, technical data, and installation information.
The price of SIEMENS 3RH2131-1KB40 Auxiliary Contactors depends on specifications, availability, and market conditions. You can check the latest GST-inclusive price on Electrihub India, which provides genuine products, transparent billing, and PAN India delivery.
Yes. RAS Electrihub Private Limited provides PAN India delivery with reliable logistics, safe packaging, and doorstep delivery across all states and union territories.
Yes. RAS Electrihub Private Limited issues GST-compliant invoices and also supports PO-based invoicing for businesses, contractors, and organizations across India.
Yes. RAS Electrihub Private Limited operates as an ISO-certified organization, ensuring quality sourcing, authentic products, and standardized procurement and delivery processes.

Reviews & Ratings

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Rachel K. Nov 26, 2025

Excellent technical support and detailed documentation available.

Paul C. Nov 26, 2025

Reliable SIEMENS auxiliary contactor, excellent performance.

Seema D. Nov 26, 2025

Dependable operation under various control circuit conditions.

Anjali V. Nov 26, 2025

Efficient and reliable auxiliary contactor.

Related Categories

Contactors and Contactor Relays Auxiliary Contactors Capacitor duty contactor Earth Leakage Relay Motor Management Accessories Motor Protection Relay Motor Starter MPCB MPCB Accessories Over Load Relay Overload Relays Accessories Power Contactor Power Contactor Accessories Protective Relays Protective Relays Accessories

Tags

# SIEMENS # 3RH2131-1KB40 # Auxiliary # Contactor # 10A # Auxiliary # Contactor # 3RH21 # 3NO+1NC # Coil # Voltage # 24Vdc # electrihub # electrical-supplies # electrical-supply-store
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