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3RT2028-1BB408KA0
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3RT2028-1BB408KA0
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SIEMENS
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3RT2028-1BB408KA0 - power contactor, AC-3e/AC-3, 38 A, 18.5 kW / 400 V, 3-pole, 24 V DC, auxiliary contacts 1 NO + 1 NC, screw terminal, size S0 - siemens

Cat No. 3RT2028-1BB408KA0
Category Power Contactor
Stock In Stock
Condition Brand New, Sealed Packaging
Product Type Power Contactor
Please contact us for the exact delivery timeline

In Stock — 15 Qty

$229.58
Quantity Expected Delivery
15 Units 25 Business Days

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Technical Specification

SIEMENS 3RT2028-1BB408KA0 Power Contactor Technical Specification

Power Contactor
AC1 Rating 50A
AC3 Rating 40A
Coil Voltage 24Vdc
Inbuilt Auxiliary Contact 1NO+1NC
Model 3RT
No of Pole 3P
Range of Product —

Product Details

Siemens 3RT2028-1BB408KA0 - power contactor, AC-3e/AC-3, 38 A, 18.5 kW / 400 V, 3-pole, 24 V DC, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S0. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Product Dimensions

SIEMENS 3RT2028-1BB408KA0 dimensions and weight

Dimensions (L × W × H)
Length 5.4 cm
Width 9.2 cm
Height 11.55 cm
Weight
Net Weight 0.6 kg

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

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Product Overview

Siemens 3RT2028-1BB408KA0 - power contactor, AC-3e/AC-3, 38 A, 18.5 kW / 400 V, 3-pole, 24 V DC, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S0. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Frequently Asked Questions for 3RT2028-1BB408KA0

The Siemens 3RT2028-1BB408KA0 power contactor offers high electrical endurance, robust contact design, reliable AC 3/AC 4 duty performance, low power consumption coils, and compatibility with Siemens overload relays and motor starters.
It is used in motor control centers, industrial machinery, pumps, compressors, HVAC equipment, and power distribution systems for switching and controlling electrical loads.
It provides fast, reliable switching of motors and resistive loads while minimizing arc formation, ensuring long service life and stable operation under frequent switching conditions.
Check coil voltage, utilization category, motor kW rating, AC 3 current rating, auxiliary contact requirement, and compatibility with Siemens overload relays.
Ensure correct DIN/panel mounting, tight terminal connections, proper coil wiring, and follow Siemens wiring diagrams for safe integration into control circuits.
Pricing varies depending on current rating, coil voltage, and configuration. Visit Electrihub for updated Siemens power contactor prices and availability.
The official Siemens datasheet for 3RT2028-1BB408KA0 is available on Electrihub, including wiring diagrams, dimensions, and operational specifications.
The price of SIEMENS 3RT2028-1BB408KA0 Power Contactor 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

4.1
7 reviews
5
2
4
4
3
1
2
0
1
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Sanjay Kulkarni Mar 18, 2026

SIEMENS 3RT2028-1BB408KA0 is working reliably in our automation setup. Switching is clean with minimal noise.

Amit Verma Mar 18, 2026

Compact design of 3RT2028-1BB408KA0 helps in panel space management. Build quality is solid.

Elena M. Dec 2, 2025

Our power control systems benefit from SIEMENS 3RT2028-1BB408KA0 superior performance and reliability. The 3RT2028-1BB408KA0 operates smoothly with excellent electrical characteristics and consistent switching behavior.

Vikram R. Dec 2, 2025

Highly recommended SIEMENS 3RT2028-1BB408KA0 for power control systems.

Ingrid S. Dec 2, 2025

Perfect 3RT2028-1BB408KA0 for reliable industrial power switching.

Sandeep M. Dec 2, 2025

Superior 3RT2028-1BB408KA0 contactor with excellent electrical performance.

Emily R. Dec 2, 2025

Best in class 3RT2028-1BB408KA0 switching capability with dependable operation.

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 # 3RT2028-1BB408KA0 # Power # Contactor # 40A # 3P # DC # Power # Contactor # 3RT(S0) # with # mirror # contacts # element # motor # rating # at # 415V # 50Hz # 1NO+1NC # Coil # Voltage # 24Vdc # electrihub # electrical-supplies # electrical-supply-store
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