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q21540ctnc
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q21540ctnc
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SIEMENS
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Q21540CTNC - Plug - In - 40 Amp - Quad - 240 Volt - Siemens

Cat No. Q21540CTNC
Category MCB
Stock Back Ordered
Condition Brand New, Sealed Packaging
Product Type MCB
Please contact us for the exact delivery timeline

Back Ordered

$59.99

Lead Time: 25 Working Days.

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Technical Documents

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Technical Specification

SIEMENS Q21540CTNC MCB Technical Specification

MCB
Breaking Cap 10kA
Curve Not Applicable
Model QP/MP
No of pole 2P
Range of Product —
Rating 15A

Product Details

SIEMENS, MCB, q21540ctnc, Plug-In, 40 Amp, Quad, 240 Volt Electrihub

Product Dimensions

SIEMENS Q21540CTNC dimensions and weight

Dimensions (L × W × H)
Length 7 cm
Width 7 cm
Height 5 cm
Weight
Net Weight 0.5 kg

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

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Product Overview

SIEMENS, MCB, q21540ctnc, Plug-In, 40 Amp, Quad, 240 Volt Electrihub

Frequently Asked Questions for Q21540CTNC

The Siemens Q21540CTNC miniature circuit breaker is designed for reliable overload and short circuit protection. It offers precise tripping characteristics, high breaking capacity, long mechanical and electrical life, and compatibility with Siemens distribution boards and enclosures.
It is widely used in residential, commercial, and industrial distribution boards, control panels, feeder circuits, and final sub circuits requiring dependable protection.
It automatically disconnects the circuit when overload or fault currents exceed the set limits, helping prevent cable overheating, equipment damage, and potential fire hazards.
Check the rated current, number of poles, breaking capacity (kA), tripping curve (B/C/D), system voltage, and coordination with upstream and downstream protective devices.
Ensure correct DIN rail mounting, proper line and load connection, torque tightening of terminals, and adherence to Siemens wiring diagrams and local electrical standards.
Pricing varies based on rating, poles, and series. Visit Electrihub to view current Siemens MCB prices, offers, and stock availability.
The official Siemens datasheet for Q21540CTNC can be downloaded from the Electrihub product page, including technical specifications, time current curves, and installation information.
The price of SIEMENS Q21540CTNC MCB 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

3.5
4 reviews
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1
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0
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3
2
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Praveen C. (64) Dec 2, 2025

Efficient and reliable overcurrent protection device.

Rohit N. (59) Dec 2, 2025

Our electrical distribution systems in UK benefit from SIEMENS Q21540CTNC superior protection and safety standards.

Lisa R. (40) Dec 2, 2025

Outstanding protection performance and reliability of SIEMENS Q21540CTNC across Canada applications.

Divya B. (62) Dec 2, 2025

Efficient and reliable overcurrent protection device.

Related Categories

Home Distribution Products Distribution Board Loadcentre MCB MCB Accessories Plug & Socket RCBO Breaker RCCB/ELCB Surge Protection Accessories Surge Protection and Power Conditioning Surge Protection Device Switches and Sockets

Tags

# SIEMENS # MCB # q21540ctnc # Plug-In # 40 Amp # Quad # 240 Volt Electrihub
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