Siemens 3VA2450-5KQ42-0AA0 Data Sheet

Product Overview

This document provides the technical specifications for the Siemens 3VA2450-5KQ42-0AA0 circuit breaker, part of the 3VA2 IEC Frame 630 series.

Electrical Specifications

Breaking Capacity

• at 240 V: 85 kA
• at 415 V: 55 kA
• at 440 V: 55 kA
• at 500 V: 36 kA
• at 690 V: 6 kA

Operating Short-Circuit Current Breaking Capacity (Ics)

• at 240 V: 85 kA
• at 415 V: 55 kA
• at 440 V: 55 kA
• at 500 V: 36 kA
• at 690 V: 6 kA

Short-Circuit Making Capacity (Icm)

• at 240 V: 187 kA
• at 415 V: 121 kA
• at 440 V: 121 kA
• at 500 V: 75.6 kA
• at 690 V: 9 kA

Adjustable Parameters

Product feature / for L-tripping / can be switched on/off: No

Adjustable Response Value Setting Current (Ir) / of the L-trip / with 12t characteristic

• minimum: 200 A
• maximum: 500 A

Adjustable Response Value Delay Time (tr) / for L-tripping / with 12t characteristic

• minimum: 0.5 s
• maximum: 20 s

Adjustable Response Value Setting Current (Isd) / of S-trip / with 10t characteristic

• minimum: 300 A
• maximum: 5,000 A

Adjustable Response Value Setting Current (Isd) / of S-trip / with 12t characteristic

• minimum: 300 A
• maximum: 5,000 A

Adjustable Response Value Delay Time (tsd) / for S-tripping / with 10t characteristic

• minimum: 0.05 s
• maximum: 0.5 s

Adjustable Response Value Delay Time (tsd) / for S-tripping / with 12t characteristic

• minimum: 0.05 s
• maximum: 0.5 s

Adjustable Response Value Setting Current (li) / for I-tripping

• minimum: 750 A
• maximum: 7,000 A

Adjustable Current Response Value Current / for G-tripping / with standard characteristic

• initial value: 100 A
• full-scale value: 500 A

Adjustable Response Value Delay Time (tg) / for G-tripping / with 10t characteristic

• minimum: 0.05 s
• maximum: 0.8 s

Adjustable Response Value Setting Current (Ig) / for G-tripping / with 12t characteristic

• minimum: 100 A
• maximum: 500 A

Adjustable Response Value Delay Time (tg) / for G-tripping / with 12t characteristic

• minimum: 0.05 s
• maximum: 0.8 s

Adjustable Setting Current (InN) / for N-tripping

• minimum: 100 A
• maximum: 500 A

Design of the N-conductor protection: adjustable OFF; 20% to 100%

Mechanical Design

Product component: Yes

• Undervoltage release: No
• Voltage trigger: No
• Trip indicator: No

Dimensions

• Height [in]: 9.76 in
• Height: 248 mm
• Width [in]: 7.24 in
• Width: 184 mm
• Depth [in]: 4.33 in
• Depth: 110 mm

Connections

• Arrangement of electrical connectors / for main current circuit: Front terminal
• Type of electrical connection / for main current circuit: on both sides nut keeper kit
• Type of connectable conductor cross-sections / for flat-bar terminal connection / minimum: 20 x 1 mm
• Type of connectable conductor cross-sections / for flat-bar terminal connection / maximum: 35 x 10 mm
• Design of the surface / of the connections / on the top of the switch (N, 1, 3, 5): silver
• Design of the surface / of the connections / on the bottom of the switch (N, 2, 4, 6): silver

Auxiliary Circuit

Number of CO contacts / for auxiliary contacts: 0

Accessories

Product extension / optional / motor drive: Yes

Environmental Conditions

Protection class IP / on the front: IP40

Ambient Temperature

• during operation / minimum: -25 °C
• during operation / maximum: 70 °C
• during storage / minimum: -40 °C
• during storage / maximum: 80 °C

Environmental Footprint

• Global warming potential [CO2 eq] / total: 495 kg
• Global warming potential [CO2 eq] / during manufacturing: 28.7 kg
• Global warming potential [CO2 eq] / during operation: 470 kg
• Global warming potential [CO2 eq] / after end of life: -4.07 kg

Siemens Eco Profile (SEP): Siemens EcoTech

Reference code / according to IEC 81346-2: 0

Approvals / Certificates

General Product Approval: CCC, EG-Konf., UKCA, VDE, Miscellaneous, EAC

General Product Approval: BIS CRS, EMV, Test Certificates, Miscellaneous, Special Test Certificate, Type Test Certificates/Test Report

Maritime application: BICAN, ABS

Maritime application: other

Further Information

Information on the packaging: https://support.industry.siemens.com/cs/ww/en/view/109813875

Information- and Downloadcenter (Catalogs, Brochures,...): http://www.siemens.com/lowvoltage/catalogs

Industry Mall (Online ordering system): https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3VA2450-5KQ42-0AA0

Service&Support (Manuals, Certificates, Characteristics, FAQs,...): https://support.industry.siemens.com/cs/ww/en/ps/3VA2450-5KQ42-0AA0

Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...): http://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3VA2450-5KQ42-0AA0

CAx-Online-Generator: http://www.siemens.com/cax

Tender specifications: http://www.siemens.com/specifications

Diagrams

The document includes several diagrams illustrating the physical dimensions and internal wiring of the circuit breaker. These diagrams show:

• A front view with dimensions labeled (248 mm height, 184 mm width, 110 mm depth).
• A side view showing terminal connections and mounting details.
• A schematic of the internal circuitry, including the ETU860 electronic trip unit, EFB RCD, and terminal connections labeled L, S, I>, I>>, N, G, MF, -X2, and N7.