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Circuit Breakers

Browse available Circuit Breakers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.

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Datasheets & Specifications Access technical references quickly
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Photo Mfr. Part # Availability Price 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
5SJ41206HG40 Siemens

5SJ41206HG40

MCB 5SJ4 1P 240V 20A SAME PH 14K

Siemens

3,174 -
Datasheet 5SJ4 Bulk Active DIN Rail - 20A 400 V 60 V Lever 1 None - CCC, CE, CSA, EAC, UL, VDE
5SJ41027HG40 Siemens

5SJ41027HG40

MCB 5SJ4 1P 240V 2A SAME PH 14K

Siemens

2,075 -
Datasheet 5SJ4 Bulk Active DIN Rail - 2A 400 V 60 V Lever 1 None - CCC, CE, CSA, EAC, UL, VDE
9926252010 Weidmüller

9926252010

CIR BRKR MAG-HYDR 10A 240VAC

Weidmüller

4,025 -
Datasheet 9926 Box Active DIN Rail Magnetic (Hydraulic Delay) 10A 240 V - Lever 2 - - CE, CSA C22.2 No 5-02, UL489, VDE
W91-X112-15 TE Connectivity Potter & Brumfield Relays

W91-X112-15

CIR BRKR 15A 277VAC 48VDC

TE Connectivity Potter & Brumfield Relays

1,049 -
Datasheet W9 Bulk Active Panel Mount Magnetic (Hydraulic Delay) 15A 277 V 48 V Lever 1 - - -
W91-X152-10 TE Connectivity Potter & Brumfield Relays

W91-X152-10

CIR BRKR MAG-HYDR 10A 65VDC

TE Connectivity Potter & Brumfield Relays

144 -
Datasheet W9 Bulk Active Panel Mount Magnetic (Hydraulic Delay) 10A - 65 V Lever 1 - - -
W91-X112-10 TE Connectivity Potter & Brumfield Relays

W91-X112-10

CIR BRKR MAG-HYDR 10A 277VAC

TE Connectivity Potter & Brumfield Relays

142 -
Datasheet W9 Bulk Active Panel Mount Magnetic (Hydraulic Delay) 10A 277 V - Lever 1 - - -
5SJ41047HG41 Siemens

5SJ41047HG41

MCB 5SJ4 1P 240V 4A 14K C-TRIP

Siemens

3,427 -
Datasheet 5SJ4 Bulk Active DIN Rail - 4A 400 V 60 V Lever 1 None - CCC, CE, CSA, EAC, UL489, VDE
IUGN6-1-61-20.0 Sensata-Airpax

IUGN6-1-61-20.0

CIR BRKR 20A 250VAC 80VDC

Sensata-Airpax

4,261 -
Datasheet IUG Bulk Active Panel Mount Magnetic (Hydraulic Delay) 20A 250 V 80 V Toggle 1 None - UL1077
IUGN6-1-51-10.0 Sensata-Airpax

IUGN6-1-51-10.0

CIR BRKR MAG-HYDR LEVER 10A

Sensata-Airpax

3,120 -
Datasheet IUG Bulk Active Panel Mount Magnetic (Hydraulic Delay) 10A - 80 V Toggle 1 None - UL1077
7940102643 Weidmüller

7940102643

CIR BRKR MAG-HYDR 1A 240VAC

Weidmüller

122 -
Datasheet 9926 Box Active DIN Rail Magnetic (Hydraulic Delay) 1A 240 V - Lever 2 - - CE, CSA C22.2 No 5-02, UL489, VDE
W31-X2M1G-3 TE Connectivity Potter & Brumfield Relays

W31-X2M1G-3

CIR BRKR THRM 3A 240VAC 50VDC

TE Connectivity Potter & Brumfield Relays

208 -
Datasheet W31 Bulk Active Panel Mount Thermal 3A 240 V 50 V Toggle 1 - - -
W31-X2M1G-25 TE Connectivity Potter & Brumfield Relays

W31-X2M1G-25

CIR BRKR THRM 25A 240VAC 50VDC

TE Connectivity Potter & Brumfield Relays

208 -
Datasheet W31 Bulk Active Panel Mount Thermal 25A 240 V 50 V Toggle 1 - - -
W31-X2M1G-50 TE Connectivity Potter & Brumfield Relays

W31-X2M1G-50

CIR BRKR THRM 50A 240VAC 50VDC

TE Connectivity Potter & Brumfield Relays

207 -
Datasheet W31 Bulk Active Panel Mount Thermal 50A 240 V 50 V Toggle 1 - - -
W31-X2M1G-7.50 TE Connectivity Potter & Brumfield Relays

W31-X2M1G-7.50

CIR BRKR THRM 7.5A 240VAC 50VDC

TE Connectivity Potter & Brumfield Relays

184 -
Datasheet W31 Bulk Active Panel Mount Thermal 7.5A 240 V 50 V Toggle 1 - - -
W31-X2M1G-40 TE Connectivity Potter & Brumfield Relays

W31-X2M1G-40

CIR BRKR THRM 40A 240VAC 50VDC

TE Connectivity Potter & Brumfield Relays

4,134 -
Datasheet W31 Bulk Active Panel Mount Thermal 40A 240 V 50 V Toggle 1 - - -
W91-X112-5 TE Connectivity Potter & Brumfield Relays

W91-X112-5

CIR BRKR MAG-HYDR 5A 277VAC

TE Connectivity Potter & Brumfield Relays

2,517 -
Datasheet W9 Bulk Active Panel Mount Magnetic (Hydraulic Delay) 5A 277 V - Lever 1 - - -
W67-X2Q110-20 TE Connectivity Potter & Brumfield Relays

W67-X2Q110-20

CIR BRKR MAG-HYDR 20A 277VAC

TE Connectivity Potter & Brumfield Relays

3,324 -
Datasheet W6 Bulk Active Panel Mount Magnetic (Hydraulic Delay) 20A 277 V - Lever 1 - - -
W67-X2Q12-15 TE Connectivity Potter & Brumfield Relays

W67-X2Q12-15

CIR BRKR MAG-HYDR 15A 277VAC

TE Connectivity Potter & Brumfield Relays

2,685 -
Datasheet W6 Bulk Active Panel Mount Magnetic (Hydraulic Delay) 15A 277 V - Lever 1 - - -
IUG2-28780-1 Sensata-Airpax

IUG2-28780-1

CIR BRKR MAG-HYDR LEVER

Sensata-Airpax

2,495 -
Datasheet IUG Bulk Active Panel Mount Magnetic (Hydraulic Delay) 50A 250 V 80 V Lever 1 None - UL1077
GMB632PC6 Carlo Gavazzi Inc.

GMB632PC6

CIR BRK THERM-M 6A 240VAC/125VDC

Carlo Gavazzi Inc.

4,250 -
Datasheet GMB63 Box Active DIN Rail Thermal Magnetic 6A 240 V 125 V Lever 2 None - CSA C22.2 No 5, IEC 60947-2, UL489
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WINSUN SOURCING SUPPORT

Need Circuit Breakers Sourcing Support?

Send the manufacturer, part number, quantity and target delivery requirement. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and hard-to-find or obsolete components.

Global component sourcing support BOM, shortage and EOL support
FREQUENTLY ASKED QUESTIONS

Circuit Breakers FAQ

Common questions about selecting, comparing and sourcing Circuit Breakers components through Winsun (HK) Electronics.

What should I check when selecting Circuit Breakers components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific Circuit Breakers part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find Circuit Breakers parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for Circuit Breakers components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.