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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
203-2-1-61-501-4-1-1 Sensata-Airpax electronic component

203-2-1-61-501-4-1-1

CIR BRKR HYD MAG

Sensata-Airpax

3,802
RFQ

Datasheet

203 Bulk Not For New Designs Panel Mount Magnetic 500mA 250 V 50 V Rocker 1 Neon 120V, 250V UL1077
203-2-1-61-502-4-1-1 Sensata-Airpax electronic component

203-2-1-61-502-4-1-1

CIR BRKR HYD MAG

Sensata-Airpax

6,505
RFQ

Datasheet

203 Bulk Not For New Designs Panel Mount Magnetic 5A 250 V 50 V Rocker 1 Neon 120V, 250V UL1077
IUGH666-3-42-10.0-01 Sensata-Airpax electronic component

IUGH666-3-42-10.0-01

CIR BRKR HYD MAG

Sensata-Airpax

3,123
RFQ

Datasheet

IUG Bulk Active Panel Mount Magnetic (Hydraulic Delay) 10A 250 V 80 V Toggle 3 None - CSA, UL1077
295-3-5593-2 Sensata-Airpax electronic component

295-3-5593-2

CIRCUIT BREAKER MAG-HYDR LEVER

Sensata-Airpax

2,098
RFQ

Datasheet

295 Bulk Obsolete Panel Mount Magnetic (Hydraulic Delay) - - - Lever - - - -
CT2-P2-D2-810-A21-M7 Carling Technologies electronic component

CT2-P2-D2-810-A21-M7

CIRCUIT BREAKER

Carling Technologies

7,124
RFQ

-

C Bulk Active Panel Mount Magnetic (Hydraulic Delay) 100A 480 V 80 V Lever 2 None - CCC, TUV, UL489A
CT2-B2-14-620-A21-MJ Carling Technologies electronic component

CT2-B2-14-620-A21-MJ

CIRCUIT BREAKER

Carling Technologies

3,324
RFQ

-

C Bulk Active Panel Mount Magnetic (Hydraulic Delay) 20A 480 V 80 V Lever 2 None - CCC, CSA, TUV, UL489
CT2-P2-D4-812-A22-MT Carling Technologies electronic component

CT2-P2-D4-812-A22-MT

CIRCUIT BREAKER

Carling Technologies

9,250
RFQ

-

C Bulk Active Panel Mount Magnetic (Hydraulic Delay) 120A 480 V 80 V Lever 2 None - CCC, UL489A
CA2-B4-14-810-311-L Carling Technologies electronic component

CA2-B4-14-810-311-L

CIRCUIT BREAKER

Carling Technologies

2,278
RFQ

Datasheet

C Bulk Active Panel Mount Magnetic (Hydraulic Delay) 100A 480 V 125 V Lever 2 None - CCC, CSA, UL489
IULHK111-40637-50 Sensata-Airpax electronic component

IULHK111-40637-50

CIR BRKR,HYDMAG

Sensata-Airpax

5,643
RFQ

Datasheet

- Bulk Active - - - - - - - - - -
CA2-P4-D4-820-321-MT Carling Technologies electronic component

CA2-P4-D4-820-321-MT

CIRCUIT BREAKER

Carling Technologies

3,378
RFQ

-

C Bulk Active Panel Mount Magnetic (Hydraulic Delay) 200A 480 V 80 V Lever 2 None - CCC, UL489A
CA2-P4-D4-917-321-MT Carling Technologies electronic component

CA2-P4-D4-917-321-MT

CIRCUIT BREAKER

Carling Technologies

5,964
RFQ

-

C Bulk Active Panel Mount Magnetic (Hydraulic Delay) 175A 480 V 80 V Lever 2 None - CCC, UL489A
5SY44205 Siemens electronic component

5SY44205

SUP PTOR 5SY4 4P 480V 20A 5K A-T

Siemens

9,686
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 20A 400 V 72 V Lever 4 None - CE, EAC, UR, VDE
5SY44155 Siemens electronic component

5SY44155

SUP PTOR 5SY4 4P 480V 1.6A 5K A-

Siemens

4,537
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 1.6A 400 V 72 V Lever 4 None - CE, EAC, UR, VDE
5SY44166 Siemens electronic component

5SY44166

SUP PTOR 5SY4 4P 480V 16A 5K B-T

Siemens

7,630
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 16A 400 V 72 V Lever 4 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY44136 Siemens electronic component

5SY44136

SUP PTOR 5SY4 4P 480V 13A 5K B-T

Siemens

6,538
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 13A 400 V 72 V Lever 4 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY44157 Siemens electronic component

5SY44157

SUP PTOR 5SY4 4P 480V 1.6A 5K C-

Siemens

7,799
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 1.6A 400 V 72 V Lever 4 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY44018 Siemens electronic component

5SY44018

SUP PTOR 5SY4 4P 480V 1A 5K D-TR

Siemens

9,384
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 1A 400 V 72 V Lever 4 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY44105 Siemens electronic component

5SY44105

SUP PTOR 5SY4 4P 480V 10A 5K A-T

Siemens

5,523
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 10A 400 V 72 V Lever 4 None - CE, EAC, UR, VDE
5SY44028 Siemens electronic component

5SY44028

SUP PTOR 5SY4 4P 480V 2A 5K D-TR

Siemens

5,462
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 2A 400 V 72 V Lever 4 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY44047 Siemens electronic component

5SY44047

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

Siemens

8,744
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 4A 400 V 72 V Lever 4 None - CCC, CE, EAC, IMQ, RCM, 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.