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Circuit Breakers

Photo Mfr. Part # Availability Quantity Datasheet Series Packaging Product Status Mounting Type Breaker Type Current Rating (Amps) Voltage Rating - AC Voltage Rating - DC Actuator Type Number of Poles Illumination Illumination Voltage (Nominal) Approval Agency
IELHK21-41344-30-V Sensata-Airpax electronic component

IELHK21-41344-30-V

CIRCUIT BREAKER MAG-HYDR LEVER

Sensata-Airpax

1
RFQ

-

* Bulk Active - - - - - - - - - -
IALHK21-39206-10 Sensata-Airpax electronic component

IALHK21-39206-10

CIRCUIT BREAKER MAG-HYDR LEVER

Sensata-Airpax

8,891
RFQ

Datasheet

IAL Bulk Active Panel Mount Magnetic (Hydraulic Delay) - - - Lever - - - -
IELHK12-41094-15-V Sensata-Airpax electronic component

IELHK12-41094-15-V

CIR BRKR,HYDMAG

Sensata-Airpax

9,692
RFQ

-

- Bulk Active - - - - - - - - - -
IULHK12-41366-25 Sensata-Airpax electronic component

IULHK12-41366-25

CIR BRKR,HYDMAG

Sensata-Airpax

3,788
RFQ

Datasheet

- Bulk Active - - - - - - - - - -
5SY43148 Siemens electronic component

5SY43148

SUP PTOR 5SY4 3P 480V 0.1A 5K D-

Siemens

3,864
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 300mA 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43155 Siemens electronic component

5SY43155

SUP PTOR 5SY4 3P 480V 1.6A 5K A-

Siemens

5,956
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 1.6A 400 V 72 V Lever 3 None - CE, EAC, UR, VDE
5SY43045 Siemens electronic component

5SY43045

SUP PTOR 5SY4 3P 480V 4A 5K A-TR

Siemens

8,191
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 4A 400 V 72 V Lever 3 None - CE, EAC, UR, VDE
5SY43208 Siemens electronic component

5SY43208

SUP PTOR 5SY4 3P 480V 20A 5K D-T

Siemens

5,088
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 20A 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43025 Siemens electronic component

5SY43025

SUP PTOR 5SY4 3P 480V 2A 5K A-TR

Siemens

6,867
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 2A 400 V 72 V Lever 3 None - CE, EAC, UR, VDE
5SY43105 Siemens electronic component

5SY43105

SUP PTOR 5SY4 3P 480V 10A 5K A-T

Siemens

9,073
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 10A 400 V 72 V Lever 3 None - CE, EAC, UR, VDE
5SY43168 Siemens electronic component

5SY43168

SUP PTOR 5SY4 3P 480V 16A 5K D-T

Siemens

6,764
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 16A 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43015 Siemens electronic component

5SY43015

SUP PTOR 5SY4 3P 480V 1A 5K A-TR

Siemens

4,599
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 1A 400 V 72 V Lever 3 None - CE, EAC, UR, VDE
5SY43255 Siemens electronic component

5SY43255

SUP PTOR 5SY4 3P 480V 25A 5K A-T

Siemens

8,704
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 25A 400 V 72 V Lever 3 None - CE, EAC, UR, VDE
5SY43136 Siemens electronic component

5SY43136

SUP PTOR 5SY4 3P 480V 13A 5K B-T

Siemens

3,724
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 13A 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43066 Siemens electronic component

5SY43066

SUP PTOR 5SY4 3P 480V 6A 5K B-TR

Siemens

6,507
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 6A 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43326 Siemens electronic component

5SY43326

SUP PTOR 5SY4 3P 480V 32A 5K B-T

Siemens

3,366
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 32A 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43055 Siemens electronic component

5SY43055

MINIATURE CIRCUIT BREAKER 400V

Siemens

3,308
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 500mA 400 V 72 V Lever 3 None - EAC, UR, VDE
5SY43058 Siemens electronic component

5SY43058

SUP PTOR 5SY4 3P 480V 0.5A 5K D-

Siemens

4,443
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 500mA 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43085 Siemens electronic component

5SY43085

SUP PTOR 5SY4 3P 480V 8A 5K A-TR

Siemens

2,293
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 8A 400 V 72 V Lever 3 None - CE, EAC, UR, VDE
5SY43165 Siemens electronic component

5SY43165

SUP PTOR 5SY4 3P 480V 16A 5K A-T

Siemens

4,137
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 16A 400 V 72 V Lever 3 None - CE, EAC, UR, VDE

Circuit Breakers Electronic Components

Explore Circuit Breakers electronic components, related subcategories, product specifications, datasheets and sourcing options. We support original component procurement, BOM sourcing and RFQ services for engineers, distributors and global buyers.

Frequently Asked Questions

Q1: What products are included in Circuit Breakers?
This category includes related Circuit Breakers subcategories and electronic components from multiple manufacturers. Select a lower-level category to view available part numbers.

Q2: Can I request a quotation for Circuit Breakers components?
Yes. Send us the part numbers and required quantities, and our team will provide sourcing and quotation support.

Q3: Are datasheets and technical information available?
Yes. Datasheets and technical information are available on supported final product pages and product listings.

Q4: Do you support BOM sourcing?
Yes. We support BOM matching, component procurement and alternative sourcing for Circuit Breakers and other electronic components.