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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
3131-AF1PT-000000-000-20A E-T-A electronic component

3131-AF1PT-000000-000-20A

CIR BRKR THRM 20A 240VAC 28VDC

E-T-A

6,585
RFQ

Datasheet

3131 Box Active Panel Mount Thermal 20A 240 V 28 V Not Included 1 - - IEC 60934, UL1077, UL1500
3131-AF1PT-000000-000-5A E-T-A electronic component

3131-AF1PT-000000-000-5A

CIR BRKR THRM 5A 240VAC 28VDC

E-T-A

4,709
RFQ

Datasheet

3131 Box Active Panel Mount Thermal 5A 240 V 28 V Not Included 1 - - IEC 60934, UL1077, UL1500
3131-BF1NQ-000000-000-20A E-T-A electronic component

3131-BF1NQ-000000-000-20A

CIRCUIT BREAKER THRM 20A 32VDC

E-T-A

9,791
RFQ

Datasheet

3131 Box Active Panel Mount Thermal 20A 240 V 28 V Not Included 1 - - IEC 60934, UL1077, UL1500
3131-AF1HT-000000-000-15A E-T-A electronic component

3131-AF1HT-000000-000-15A

CIR BRKR THRM 15A 250VAC 32VDC

E-T-A

8,828
RFQ

Datasheet

3131 Bulk Active Panel Mount Thermal 15A 240 V 28 V Not Included 1 - - IEC 60934, UL1077, UL1500
3131-AF1HT-000000-000-20A E-T-A electronic component

3131-AF1HT-000000-000-20A

CIR BRKR THRM 20A 250VAC 32VDC

E-T-A

4,766
RFQ

Datasheet

3131 Bulk Active Panel Mount Thermal 20A 240 V 28 V Not Included 1 - - IEC 60934, UL1077, UL1500
3131-AF1HT-000000-000-5A E-T-A electronic component

3131-AF1HT-000000-000-5A

CIR BRKR THRM 5A 250VAC 32VDC

E-T-A

3,348
RFQ

Datasheet

3131 Bulk Active Panel Mount Thermal 5A 240 V 28 V Not Included 1 - - IEC 60934, UL1077, UL1500
3131-AF1PT-000000-000-12A E-T-A electronic component

3131-AF1PT-000000-000-12A

CIR BRKR THRM 12A 250VAC 32VDC

E-T-A

8,444
RFQ

Datasheet

3131 Bulk Active Panel Mount Thermal 12A 240 V 28 V Not Included 1 - - IEC 60934, UL1077, UL1500
3131-AF1PT-000000-000-16A E-T-A electronic component

3131-AF1PT-000000-000-16A

CIR BRKR THRM 16A 250VAC 32VDC

E-T-A

6,176
RFQ

Datasheet

3131 Bulk Active Panel Mount Thermal 16A 240 V 28 V Not Included 1 - - IEC 60934, UL1077, UL1500
3131-AF1PT-000000-000-3A E-T-A electronic component

3131-AF1PT-000000-000-3A

CIR BRKR THRM 3A 250VAC 32VDC

E-T-A

3,547
RFQ

Datasheet

3131 Bulk Active Panel Mount Thermal 3A 240 V 28 V Not Included 1 - - IEC 60934, UL1077, UL1500
3131-AF1PT-000000-000-4A E-T-A electronic component

3131-AF1PT-000000-000-4A

CIR BRKR THRM 4A 250VAC 32VDC

E-T-A

5,209
RFQ

Datasheet

3131 Bulk Active Panel Mount Thermal 4A 240 V 28 V Not Included 1 - - IEC 60934, UL1077, UL1500
3131-AF1PT-000000-000-6A E-T-A electronic component

3131-AF1PT-000000-000-6A

CIR BRKR THRM 6A 250VAC 32VDC

E-T-A

5,405
RFQ

Datasheet

3131 Bulk Active Panel Mount Thermal 6A 240 V 28 V Not Included 1 - - IEC 60934, UL1077, UL1500
3131-AF1PT-000000-000-7A E-T-A electronic component

3131-AF1PT-000000-000-7A

CIR BRKR THRM 7A 250VAC 32VDC

E-T-A

9,399
RFQ

Datasheet

3131 Bulk Active Panel Mount Thermal 7A 240 V 28 V Not Included 1 - - IEC 60934, UL1077, UL1500
4435.0376 SCHURTER Inc. electronic component

4435.0376

TA35 CIRCUIT BREAKER 2P RO 10A

SCHURTER Inc.

4,780
RFQ

Datasheet

- Box Active - - - - - - - - - -
4435.0433 SCHURTER Inc. electronic component

4435.0433

TA35 CIRCUIT BREAKER 2P RO 3A

SCHURTER Inc.

9,703
RFQ

Datasheet

- Box Active - - - - - - - - - -
1B40UR Altech Corporation electronic component

1B40UR

1B40UR 40A MCB B CHAR 1 P 277VAC

Altech Corporation

8,175
RFQ

-

UR Bulk Active DIN Rail Thermal Magnetic 40A 277 V - Lever 1 None - CE, cURus, UL1077
1B50UR Altech Corporation electronic component

1B50UR

1B50UR 50A MCB B CHAR 1 P 277VAC

Altech Corporation

9,766
RFQ

-

UR Bulk Active DIN Rail Thermal Magnetic 50A 277 V - Lever 1 None - CE, cURus, UL1077
1B60UR Altech Corporation electronic component

1B60UR

1B60UR 60A MCB B CHAR 1 P 277VAC

Altech Corporation

6,304
RFQ

-

UR Bulk Active DIN Rail Thermal Magnetic 60A 277 V - Lever 1 None - CE, cURus, UL1077
1B63UR Altech Corporation electronic component

1B63UR

1B63UR 63A MCB B CHAR 1 P 277VAC

Altech Corporation

8,226
RFQ

-

UR Bulk Active DIN Rail Thermal Magnetic 63A 277 V - Lever 1 None - CE
1C40UR Altech Corporation electronic component

1C40UR

1C40UR 40A MCB C CHAR 1 P 277VAC

Altech Corporation

4,218
RFQ

-

UR Bulk Active DIN Rail Thermal Magnetic 40A 277 V - Lever 1 None - CE, cURus, UL1077
1C50UR Altech Corporation electronic component

1C50UR

1C50UR 50A MCB C CHAR 1 P 277VAC

Altech Corporation

2,410
RFQ

-

UR Bulk Active DIN Rail Thermal Magnetic 50A 277 V - Lever 1 None - CE, cURus, UL1077
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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.