Your Cart 0 items

Your cart is empty.

Browse Products →
Call Us
Sale

Worldwide shipping services

T&Cs apply

Global Supply Network

User-Friendly Platform

Expert Technical Support

24/7 Support

Secured Transactions

SSL & Stripe encrypted

bq2b045
Click to zoom
bq2b045
Order on Whatsapp Schneider Electric Product Selector tool
SIEMENS
(No reviews yet)

BQ2B045 45 Amp Double Pole 120/240V BQ Bolt - On Circuit Breaker Siemens type BQ Bolt - On Breakers are a non - interchangeable trip molded case Bolt - On Circuit Breaker. All BQ Bolt - On Circuit Breakers are supplied with load side lugs. Specifications: Manufacturer : Siemens Family : BQ ... - Siemens

Cat No. BQ2B045
Category MCCB
Stock Back Ordered
Condition Brand New, Sealed Packaging
Product Type MCCB
Please contact us for the exact delivery timeline

Back Ordered

$52.61

Lead Time: 25 Working Days.

Reach out to us for project inquiries, Add to cart and click on send inquiry

Currently viewed by 26 users
Secure Payment with
Visa, MasterCard, American Express, Apple Pay, Discover, PayPal, Stripe
Need help on Inquiry? Call Us on +1 (888) 293-7436
Warranty Guarantee
100% Original Products
EEE Buyer Protection
World-Wide Reach

Technical Documents

No Data Available

There is no data to show you right now.

Technical Specification

SIEMENS BQ2B045 MCCB Technical Specification

MCCB
Breaking Capacity 10kA
Model BQ
No of Pole 2P
Protection Overload and Short Circuit
Rating 45A

Product Details

SIEMENS, MCCB, BQ2B045, Siemens 45 Amp Double Pole 120/240V BQ Bolt-On Circuit Breaker Siemens type BQ Bolt-On Breakers are a non-interchangeable trip molded case Bolt-On Circuit Breaker. All BQ Bolt-On Circuit Breakers are supplied with load side lugs. Specifications: Manufacturer : Siemens Family : BQ ... Electrihub

Product Dimensions

SIEMENS BQ2B045 dimensions and weight

Dimensions (L × W × H)
Length 7 cm
Width 10 cm
Height 5 cm
Weight
Net Weight 0.5 kg

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

Related Products

DZ1F0025DXC1A

DZ1F0025DXC1A - DZ1D MCCB 25 4P 415V AC 36kA Thermal Magnetic 50/60 Hz | Lauritz Knudsen |..

DZ1F0025DXC1A

Cat No: DZ1F0025DXC1A Back Ordered expedited delivery
Price On Request
INA_12H3PFE2E0140

Schneider, INA_12H3PFE2E0140

INA_12H3PFE2E0140

Cat No: INA_12H3PFE2E0140 Back Ordered expedited delivery
Price On Request
C10H44V040

C10H44V040 - Circuit breaker, ComPacT NSX100H, 70kA/415VAC, 4 poles, MicroLogic Vigi 4.2 t..

C10H44V040

Cat No: C10H44V040 Back Ordered expedited delivery
Price On Request
C10H44V100

C10H44V100 - Circuit breaker, ComPacT NSX100H, 70kA/415VAC, 4 poles, MicroLogic Vigi 4.2 t..

C10H44V100

Cat No: C10H44V100 Back Ordered expedited delivery
Price On Request
CM93008OOOOX1

CM93008OOOOX1 - DN3-630N MCCB 630 4P 415V AC 50kA MTX1.0 50/60 Hz | Lauritz Knudsen | L&T

CM93008OOOOX1

Cat No: CM93008OOOOX1 Back Ordered expedited delivery
$920.67
3VA9253-0QC50

3VA9253-0QC50 - bus connectors broadened front mounted; 3 units extended pole-center dista..

3VA9253-0QC50

Cat No: 3VA9253-0QC50 Back Ordered expedited delivery
$35.15
LV430800

LV430800 - circuit breaker Compact NSX160H, 70 kA at 415 VAC, Micrologic 2.2 trip unit 160..

LV430800

Cat No: LV430800 In Stock: 2 Units expedited delivery
Price On Request
C1BN2TM12HD

C1BN2TM12HD - Circuit breaker, ComPacT NSX1200N DC, 50kA/600VDC, 2 poles, TM-DC trip unit..

C1BN2TM12HD

Cat No: C1BN2TM12HD Back Ordered expedited delivery
$2,099.47

Frequently Bought Together

3VJ94170HD11

3VJ94170HD11 - accessory 3VJ9 IEC framesize 3VJ13 400A framesize 3VJ14 630A door mounted r..

3VJ94170HD11

Cat No: 3VJ94170HD11 In Stock: 12 Units expedited delivery
$54.48
3VA9988-0AB32

3VA9988-0AB32 - short circuit alarm switch changeover contacts Type HQ (7 mm) accessory fo..

3VA9988-0AB32

Cat No: 3VA9988-0AB32 Back Ordered expedited delivery
$50.54
3VA9988-0AB22

3VA9988-0AB22 - electrical alarm switch changeover contacts Type HQ (7 mm) accessory for 3..

3VA9988-0AB22

Cat No: 3VA9988-0AB22 Back Ordered expedited delivery
$50.54
3VM9988-0AA12

3VM9988-0AA12 - auxiliary switch changeover contacts type HQ (7mm) accessory for breaker 3..

3VM9988-0AA12

Cat No: 3VM9988-0AA12 Back Ordered expedited delivery
$50.05
3VM9988-0AB12

3VM9988-0AB12 - tripped signaling switch changeover contacts type HQ (7mm) accessory for b..

3VM9988-0AB12

Cat No: 3VM9988-0AB12 In Stock: 12 Units expedited delivery
$50.05
3VM99880AA12

3VM99880AA12 - AUXILIARY SWITCH / Type HQ - Siemens

3VM99880AA12

Cat No: 3VM99880AA12 In Stock: 3 Units expedited delivery
$50.05
3VM99880AB12

3VM99880AB12 - TRIP ALARM SWITCH / Type HQ - Siemens

3VM99880AB12

Cat No: 3VM99880AB12 In Stock: 2 Units expedited delivery
$50.05
3VJ9018-0HD11

3VJ9018-0HD11 - 3VJ10 125A door mounted rotary operator standard with 8UC IP65 with door i..

3VJ9018-0HD11

Cat No: 3VJ9018-0HD11 In Stock: 36 Units expedited delivery
$55.30
3VM9188-0LB10

3VM9188-0LB10 - locking device for handle accessory for 3VM 100/160/250. - siemens

3VM9188-0LB10

Cat No: 3VM9188-0LB10 Back Ordered expedited delivery
$55.52
3VJ9314-0ED00

3VJ9314-0ED00 - 3VJ13 400A bus connector offset front 4 pieces - siemens

3VJ9314-0ED00

Cat No: 3VJ9314-0ED00 In Stock: 42 Units expedited delivery
$55.60

Product Line Card

No Data Available

There is no data to show you right now.

Alternate Products

IHDA3BBD0080

IHDA3BBD0080 - 80A 2P 16kA HIM 100 Thermal-Magnetic(LSI) Adjustable Thermal & Fixed Magnet..

IHDA3BBD0080

Cat No: IHDA3BBD0080 Back Ordered expedited delivery
$53.44
IHDA3BBD0100

IHDA3BBD0100 - 100A 2P 16kA HIM 100 Thermal-Magnetic(LSI) Adjustable Thermal & Fixed Magne..

IHDA3BBD0100

Cat No: IHDA3BBD0100 Back Ordered expedited delivery
$53.44
BQL30

Eaton BQL30 - BQL Classic Replacement Circuit Breakers, Bolt-on, 30A, #14-8 AWG, Cu/Al, Si..

BQL30

Cat No: BQL30 Back Ordered expedited delivery
$53.53
IHLGST0063

IHLGST0063 - 63A 3P 10kA GS Thermal-Magnetic(LSI) Fixed Thermal & Fixed Magnetic MCCB - Ha..

IHLGST0063

Cat No: IHLGST0063 Back Ordered expedited delivery
$53.66
IHLGSF0080#

80A 4P 10kA GS Thermal-Magnetic(LSI) Fixed Thermal & Fixed Magnetic MCCB

IHLGSF0080#

Cat No: IHLGSF0080# Back Ordered expedited delivery
$50.83
IHLGSF0100#

100A 4P 10kA GS Thermal-Magnetic(LSI) Fixed Thermal & Fixed Magnetic MCCB

IHLGSF0100#

Cat No: IHLGSF0100# Back Ordered expedited delivery
$50.83
IHA13DBS0040

IHA13DBS0040 - 40A 1P 27kA HID 1 Thermal-Magnetic(LSI) Adjustable Thermal & Adjustable Mag..

IHA13DBS0040

Cat No: IHA13DBS0040 Back Ordered expedited delivery
$50.40
IHA13DBS0050

IHA13DBS0050 - 50A 1P 27kA HID 1 Thermal-Magnetic(LSI) Adjustable Thermal & Adjustable Mag..

IHA13DBS0050

Cat No: IHA13DBS0050 Back Ordered expedited delivery
$50.40

Product Overview

SIEMENS, MCCB, BQ2B045, Siemens 45 Amp Double Pole 120/240V BQ Bolt-On Circuit Breaker Siemens type BQ Bolt-On Breakers are a non-interchangeable trip molded case Bolt-On Circuit Breaker. All BQ Bolt-On Circuit Breakers are supplied with load side lugs. Specifications: Manufacturer : Siemens Family : BQ ... Electrihub

Frequently Asked Questions for BQ2B045

The Siemens BQ2B045 MCCB offers adjustable thermal magnetic or electronic trip protection, high breaking capacity, robust housing, and reliable overload/short circuit protection for industrial and commercial applications.
It is widely used in LT panels, distribution boards, MCC/PCC systems, industrial machines, HVAC systems, and commercial electrical installations.
It protects against overloads, short circuits, and earth faults (if equipped). Adjustable trip settings allow precise coordination with downstream devices for system safety.
Check frame size, breaking capacity (kA), trip unit type, rated current, pole configuration, mounting type, and coordination requirements.
Ensure correct torque tightening, line/load orientation, proper busbar/cable termination, and follow Siemens wiring diagrams and safety standards.
Pricing varies depending on frame rating, trip unit, and breaking capacity. Visit Electrihub for updated Siemens MCCB pricing and offers.
The official Siemens datasheet for BQ2B045 is available on Electrihub with full specifications, trip curves, and wiring information.
The price of SIEMENS BQ2B045 MCCB 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

3.7
3 reviews
5
1
4
0
3
2
2
0
1
0
Amanda L. Dec 2, 2025

High-quality SIEMENS BQ2B045 breaker with smooth operation.

Arun K. Dec 2, 2025

After extensive testing of SIEMENS BQ2B045, this device demonstrates exceptional performance characteristics. The BQ2B045 protection mechanism is responsive, accurate, and reliable under various load conditions. The BQ2B045 installation was straightforward, and integration with existing systems was seamless. Highly recommend SIEMENS BQ2B045.

Pooja V. Dec 2, 2025

BQ2B045 best choice for electrical system protection.

Related Categories

Low Voltage Breakers ACB ACB Accessories Angle Adapter Control Circuit Breaker Cooling Unit Fuse Base GFCI HRC Fuse HRC Fuse Accessories HRC Fuse Links MCCB MCCB Accessories Pin and Sleeve Switch Fuse Unit Switch Fuse Unit Accessories Thermal Management System

Tags

# SIEMENS # MCCB # BQ2B045 # Siemens 45 Amp Double Pole 120/240V BQ Bolt-On Circuit Breaker Siemens type BQ Bolt-On Breakers are a non-interchangeable trip molded case Bolt-On Circuit Breaker. All BQ Bolt-On Circuit Breakers are supplied with load side lugs. Specifications: Manufacturer : Siemens Family : BQ ... Electrihub
Subscribe to our Newsletter