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BQ1B045
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BQ1B045
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SIEMENS
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BQ1B045 45 Amp 1 Pole 120 Volt Bolt - On Molded Case Circuit Breaker Siemens, BQ Series, type BQ, 1P, 1PH, 45A, 120V, 10kA@120V, standard interrupting capacity, bolt - on, complete with non - interchangeable trip, LI - Long - Time and Instantaneous trip functions and load side lug terminals, ... - Siemens

Cat No. BQ1B045
Category MCCB
Stock Back Ordered
Condition Brand New, Sealed Packaging
Product Type MCCB
Please contact us for the exact delivery timeline

Back Ordered

$33.22

Lead Time: 25 Working Days.

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Technical Documents

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Technical Specification

SIEMENS BQ1B045 MCCB Technical Specification

MCCB
Breaking Capacity 10kA
Model BQ
No of Pole 1P
Protection Overload and Short Circuit
Rating 45A

Product Details

BQ1B045 45 Amp Molded Case Circuit Breaker - SIEMENS, MCCB, BQ1B045, Siemens 45 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker Siemens, BQ Series, type BQ, 1P, 1PH, 45A, 120V, 10kA@120V, standard interrupting capacity, bolt-on, complete with non-interchangeable trip, LI, Long-Time and Instantaneous trip functions and load side lug terminals, ... Electrihub

Product Dimensions

SIEMENS BQ1B045 dimensions and weight

Dimensions (L × W × H)
Length 2 cm
Width 5 cm
Height 10 cm
Weight
Net Weight 0.5 kg

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

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Product Overview

BQ1B045 45 Amp Molded Case Circuit Breaker - SIEMENS, MCCB, BQ1B045, Siemens 45 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker Siemens, BQ Series, type BQ, 1P, 1PH, 45A, 120V, 10kA@120V, standard interrupting capacity, bolt-on, complete with non-interchangeable trip, LI, Long-Time and Instantaneous trip functions and load side lug terminals, ... Electrihub

Frequently Asked Questions for BQ1B045

The Siemens BQ1B045 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 BQ1B045 is available on Electrihub with full specifications, trip curves, and wiring information.
The price of SIEMENS BQ1B045 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
Sophie F. Dec 2, 2025

BQ1B045 best choice for electrical system protection.

Daniel J. Dec 2, 2025

Extensive field testing confirms the superior quality of SIEMENS BQ1B045. The BQ1B045 construction is robust, the protection mechanism is accurate, and the operational efficiency is outstanding. SIEMENS BQ1B045 is industry-leading.

Johan A. Dec 2, 2025

BQ1B045 consistent performance across all electrical applications. SIEMENS engineering at its finest.

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Tags

# Brand Siemens/ITE # Breaker 1 Pole # Connection Bolt-On # Max Amp 45A # Size Full Body # Type BQ # Voltage 120V # 1 Pole Breakers Bolt-on Circuit Breakers Circuit Breakers ITE Breakers Siemens Breakers # Bolt-On # 45 Amp # 1 Pole # 120 Volt # SIEMENS # MCCB # BQ1B045 # Siemens 45 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker Siemens # BQ Series # type BQ # 1P # 1PH # 45A # 120V # 10kA@120V # standard interrupting capacity # bolt-on # complete with non-interchangeable trip # LI # Long-Time and Instantaneous trip functions and load side lug terminals # ... Electrihub
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