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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
203-2-1-42-252-4-3-1 Sensata-Airpax electronic component

203-2-1-42-252-4-3-1

CIR BRKR 2.5A 32VDC ROCKER

Sensata-Airpax

8,525
RFQ

Datasheet

203 Bulk Not For New Designs Panel Mount Magnetic 2.5A 250 V 32 V Rocker 1 Neon 120V UL1077
203-2-1-43-252-4-1-1 Sensata-Airpax electronic component

203-2-1-43-252-4-1-1

CIR BRKR ROCKER

Sensata-Airpax

4,990
RFQ

-

203 Bulk Not For New Designs Panel Mount Magnetic 2.5A 250 V 50 V Rocker 1 Neon 120 ~ 250V UL1077
203-2-1-42-752-4-1-1 Sensata-Airpax electronic component

203-2-1-42-752-4-1-1

CIR BRKR,HYDMAG

Sensata-Airpax

5,377
RFQ

Datasheet

203 Bulk Not For New Designs Panel Mount Magnetic 7.5A 250 V 50 V Rocker 1 Neon 120V, 250V UL1077
3RV20210HA15 Siemens electronic component

3RV20210HA15

MSP S0 0.55-0.8A SCRW W/AUX 1NO/

Siemens

9,916
RFQ

Datasheet

SIRIUS Box Active DIN Rail Thermal Magnetic 800mA 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE
IELHK111-70389-3-V Sensata-Airpax electronic component

IELHK111-70389-3-V

CIR BRKR,HYDMAG

Sensata-Airpax

7,451
RFQ

-

- Bulk Active - - - - - - - - - -
EA3-B4-26-680-2DA-EB Carling Technologies electronic component

EA3-B4-26-680-2DA-EB

CIRCUIT BREAKER

Carling Technologies

5,504
RFQ

Datasheet

E Bulk Active Panel Mount Magnetic (Hydraulic Delay) 80A 480 V 125 V Lever 3 None - CCC, CSA, UL508, UL1077
EA3-B4-26-810-2DA-EB Carling Technologies electronic component

EA3-B4-26-810-2DA-EB

CIRCUIT BREAKER

Carling Technologies

3,168
RFQ

Datasheet

E Bulk Active Panel Mount Magnetic (Hydraulic Delay) 100A 480 V 125 V Lever 3 None - CCC, CSA, UL508, UL1077
EA3-B4-26-660-2DA-EB Carling Technologies electronic component

EA3-B4-26-660-2DA-EB

CIRCUIT BREAKER

Carling Technologies

5,331
RFQ

Datasheet

E Bulk Active Panel Mount Magnetic (Hydraulic Delay) 60A 480 V 125 V Lever 3 None - CCC, CSA, UL508, UL1077
EA3-B4-26-670-2DA-EB Carling Technologies electronic component

EA3-B4-26-670-2DA-EB

CIRCUIT BREAKER

Carling Technologies

7,151
RFQ

Datasheet

E Bulk Active Panel Mount Magnetic (Hydraulic Delay) 70A 480 V 125 V Lever 3 None - CCC, CSA, UL508, UL1077
8345-SR0034-20A E-T-A electronic component

8345-SR0034-20A

CIR BRKR MAG-HYDR 20A

E-T-A

9,761
RFQ

-

8345 Bulk Active Panel Mount Magnetic (Hydraulic Delay) 20A 480 V 80 V - - None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077, UL489
8345-SR0034-50A E-T-A electronic component

8345-SR0034-50A

CIR BRKR MAG-HYDR 50A

E-T-A

9,353
RFQ

-

8345 Bulk Active Panel Mount Magnetic (Hydraulic Delay) 50A 480 V 80 V - - None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077, UL489
GA3-B0-44-650-11-DC Carling Technologies electronic component

GA3-B0-44-650-11-DC

CIRCUIT BREAKER

Carling Technologies

7,484
RFQ

Datasheet

G Bulk Active DIN Rail Magnetic (Hydraulic Delay) 50A 240 V 125 V Lever 3 None - CCC, UL
GV2ME04 Schneider Electric electronic component

GV2ME04

TESYS M-CB THO/MAG 0.4-0.63A ROC

Schneider Electric

1
RFQ

-

TeSys Box Active DIN Rail Thermal Magnetic 630mA 690 V 690 V Pushbutton 3 None - EN 60947-2, EN 60947-4-1, IEC 60947-2, IEC 60947-4-1
QOB140VH1021 Schneider Electric electronic component

QOB140VH1021

MINIATURE CIRCUIT BREAKER 120/24

Schneider Electric

7,359
RFQ

Datasheet

- Box Obsolete Chassis Mount Thermal Magnetic 40A 240 V - Lever 1 None - CSA, UL
QOB160VH1021 Schneider Electric electronic component

QOB160VH1021

MINIATURE CIRCUIT BREAKER 120/24

Schneider Electric

4,346
RFQ

-

QO Box Obsolete Chassis Mount Thermal Magnetic 60A 240 V - Lever 1 None - CSA, UL
3RV24111HA15 Siemens electronic component

3RV24111HA15

MSP S00 FOR XFRMR 5.5-8A AUX 1NO

Siemens

5,652
RFQ

Datasheet

SIRIUS Box Active DIN Rail Thermal Magnetic 8A 690 V - Rotary 3 None - CCC, CE, CSA, EAC, UL, VDE
3RV24111AA15 Siemens electronic component

3RV24111AA15

MSP S00 FOR XFRMR 1.1-1.6A AUX 1

Siemens

5,222
RFQ

Datasheet

SIRIUS Box Active DIN Rail Thermal Magnetic 1.6A 690 V - Rotary 3 None - CCC, CE, CSA, EAC, UL, VDE
3RV24111FA15 Siemens electronic component

3RV24111FA15

MSP S00 FOR XFRMR 3.5-5A AUX 1NO

Siemens

7,154
RFQ

Datasheet

SIRIUS Box Active DIN Rail Thermal Magnetic 5A 690 V - Rotary 3 None - CCC, CE, CSA, EAC, UL, VDE
3RV24111CA15 Siemens electronic component

3RV24111CA15

MSP S00 FOR XFRMR 1.8-2.5A AUX 1

Siemens

2,107
RFQ

Datasheet

SIRIUS Box Active DIN Rail Thermal Magnetic 2.5A 690 V - Rotary 3 None - CCC, CE, CSA, EAC, UL, VDE
3RV24110KA15 Siemens electronic component

3RV24110KA15

MSP S00 FOR XFRMR 0.9-1.25A AUX

Siemens

3,073
RFQ

Datasheet

SIRIUS Box Active DIN Rail Thermal Magnetic 1.25A 690 V - Rotary 3 None - CCC, CE, CSA, EAC, UL, 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.