Circuit Breakers, Surge Protectors & Fuses – Mouser Japan

Skip to Main Content

Part of the TTI Family of Specialists Contact Mouser 0120-954-990 Feedback

Change Location

JPY

In Stock RoHS

.hide-partial { max-height: none; } .show-more { display: none; }

3VA Molded Case Circuit Breakers

Siemens 3VA Molded Case Circuit Breakers are a comprehensive line of MCCBs that cover line protection applications with currents up to 2000A. These MCCBs include 1600A and 2000A frame sizes and comply with global standards and certifications. Siemens 3VA Molded Case Circuit Breakers offer power metering and communication capability with Modbus, Profibus, and Profinet protocols. UL 100% ratings are available in the 1200A and 1600A frame sizes.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Breakers, Surge Protectors & Fuses

List Images

Results: 8,338

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Circuit Breakers BRKR 3VA51 3P 40A 25KA FTFM

3VA51404ED310AA0
Siemens
1: ¥114,803.3
5In Stock

Mfr. Part #
3VA51404ED310AA0

Mouser Part #
982-3VA51404ED310AA0

Siemens

Circuit Breakers BRKR 3VA51 3P 40A 25KA FTFM

Datasheet

5In Stock

¥114,803.3

¥109,132.7

¥106,702.6

View

Min.: 1
Mult.: 1

Circuit Breakers BRKR 3VA51 3P 15A 65KA FTAM

3VA51956EC310AA0
Siemens
1: ¥166,839.1
3In Stock

Mfr. Part #
3VA51956EC310AA0

Mouser Part #
982-3VA51956EC310AA0

Siemens

Circuit Breakers BRKR 3VA51 3P 15A 65KA FTAM

Datasheet

3In Stock

¥166,839.1

Min.: 1
Mult.: 1

Circuit Breakers MCSW 3VA53 3P 400A 65KA

3VA53400BB310AA0
Siemens
1: ¥495,551
1In Stock

Mfr. Part #
3VA53400BB310AA0

Mouser Part #
982-3VA53400BB310AA0

Siemens

Circuit Breakers MCSW 3VA53 3P 400A 65KA

Datasheet

1In Stock

¥495,551

Min.: 1
Mult.: 1

Circuit Breakers BRKR 3VA62 3P 250A 65KA ETU3-LI AL

3VA62256HL360AA0
Siemens
1: ¥637,473.5
1Expected 9/28/2026

Mfr. Part #
3VA62256HL360AA0

Mouser Part #
982-3VA62256HL360AA0

Siemens

Circuit Breakers BRKR 3VA62 3P 250A 65KA ETU3-LI AL

Datasheet

1Expected 9/28/2026

¥637,473.5

Min.: 1
Mult.: 1

Circuit Breaker Accessories BRKR 3VA51 MAX-FLEX OPER N3R PL RB

3VA91370CK12
Siemens
1: ¥271,812.7
2Expected 9/17/2026

Mfr. Part #
3VA91370CK12

Mouser Part #
982-3VA91370CK12

Siemens

Circuit Breaker Accessories BRKR 3VA51 MAX-FLEX OPER N3R PL RB

Datasheet

2Expected 9/17/2026

¥271,812.7

Min.: 1
Mult.: 1

Circuit Breaker Accessories BRKR 3VA63/64 MAX-FLEX OPER N3R STL RB

3VA94770CK72
Siemens
1: ¥318,458.5
1Expected 9/23/2026

Mfr. Part #
3VA94770CK72

Mouser Part #
982-3VA94770CK72

Siemens

Circuit Breaker Accessories BRKR 3VA63/64 MAX-FLEX OPER N3R STL RB

Datasheet

1Expected 9/23/2026

¥318,458.5

Min.: 1
Mult.: 1

Circuit Breaker Accessories BRKR 3VA HNDL FOR MAX-FLEX N3R STL RB

3VA99770CH72
Siemens
1: ¥147,579.9
6Expected 8/24/2026

Mfr. Part #
3VA99770CH72

Mouser Part #
982-3VA99770CH72

Siemens

Circuit Breaker Accessories BRKR 3VA HNDL FOR MAX-FLEX N3R STL RB

Datasheet

6Expected 8/24/2026

¥147,579.9

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA SHUNT TRIP LEFT 24-30VDC

3VA99780BL30
Siemens
1: ¥99,359.4
5Expected 8/14/2026

Mfr. Part #
3VA99780BL30

Mouser Part #
982-3VA99780BL30

Siemens

Circuit Breaker Accessories BREAKER 3VA SHUNT TRIP LEFT 24-30VDC

Datasheet

5Expected 8/14/2026

¥99,359.4

¥94,954.4

¥92,918

View

Min.: 1
Mult.: 1

Circuit Breakers BRKR 3VA41 3P 30A 65KA FTFM LD LUG

3VA41306ED340AA0
Siemens
1: ¥160,426
1Expected 8/14/2026

Mfr. Part #
3VA41306ED340AA0

Mouser Part #
982-3VA41306ED340AA0

Siemens

Circuit Breakers BRKR 3VA41 3P 30A 65KA FTFM LD LUG

Datasheet

1Expected 8/14/2026

¥160,426

Min.: 1
Mult.: 1

Circuit Breakers BRKR 3VA51 3P 35A 25KA FTFM

3VA51354ED310AA0
Siemens
1: ¥114,803.3
1Expected 8/27/2026

Mfr. Part #
3VA51354ED310AA0

Mouser Part #
982-3VA51354ED310AA0

Siemens

Circuit Breakers BRKR 3VA51 3P 35A 25KA FTFM

Datasheet

1Expected 8/27/2026

¥114,803.3

¥109,132.7

¥106,696

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA5 125 SHORT TERM CVR 3P 1 PC

3VA91310WD30
Siemens
1: ¥15,435.7
10Expected 8/7/2026

Mfr. Part #
3VA91310WD30

Mouser Part #
982-3VA91310WD30

Siemens

Circuit Breaker Accessories BREAKER 3VA5 125 SHORT TERM CVR 3P 1 PC

Datasheet

10Expected 8/7/2026

¥15,435.7

¥14,219.8

¥11,485.8

¥10,432.7

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA4,5 125 LONG TERM CVR 3P 1 PC

3VA91310WF30
Siemens
1: ¥19,961.9
10Expected 8/10/2026

Mfr. Part #
3VA91310WF30

Mouser Part #
982-3VA91310WF30

Siemens

Circuit Breaker Accessories BREAKER 3VA4,5 125 LONG TERM CVR 3P 1 PC

Datasheet

10Expected 8/10/2026

¥19,961.9

¥18,462

¥17,701.3

¥16,412.3

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA5 125A DIST LUG 6 WIRE, 3P

3VA91330JF60
Siemens
1: ¥74,424.4
3Expected 8/14/2026

Mfr. Part #
3VA91330JF60

Mouser Part #
982-3VA91330JF60

Siemens

Circuit Breaker Accessories BREAKER 3VA5 125A DIST LUG 6 WIRE, 3P

Datasheet

3Expected 8/14/2026

¥74,424.4

¥65,793.9

¥64,420.2

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA4,5 125A NUTKEEPER KIT 3PCS

3VA91330QA00
Siemens
1: ¥22,991.6
5Expected 8/7/2026

Mfr. Part #
3VA91330QA00

Mouser Part #
982-3VA91330QA00

Siemens

Circuit Breaker Accessories BREAKER 3VA4,5 125A NUTKEEPER KIT 3PCS

Datasheet

5Expected 8/7/2026

¥22,991.6

¥21,393.7

¥20,506.7

¥19,006.8

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BRKR 3VA1 160A FRONT BUSBAR 3PC ACC

3VA91530QB00
Siemens
1: ¥17,194.7
1Expected 9/7/2026

Mfr. Part #
3VA91530QB00

Mouser Part #
982-3VA91530QB00

Siemens

Circuit Breaker Accessories BRKR 3VA1 160A FRONT BUSBAR 3PC ACC

Datasheet

1Expected 9/7/2026

¥17,194.7

¥15,932.3

¥15,277.9

¥14,214.8

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories NUT KIT 3VA

3VA92330QA00
Siemens
1: ¥22,403.6
7Expected 8/10/2026

Mfr. Part #
3VA92330QA00

Mouser Part #
982-3VA92330QA00

Siemens

Circuit Breaker Accessories NUT KIT 3VA

Datasheet

7Expected 8/10/2026

¥22,403.6

¥20,714.3

¥19,857.3

¥18,405.5

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BRKR 3VA2 250A DM RO INLK ACC

3VA92670FK21
Siemens
1: ¥40,172.9
4Expected 8/31/2026

Mfr. Part #
3VA92670FK21

Mouser Part #
982-3VA92670FK21

Siemens

Circuit Breaker Accessories BRKR 3VA2 250A DM RO INLK ACC

Datasheet

4Expected 8/31/2026

¥40,172.9

¥37,739.6

¥35,679.9

¥33,854.5

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA5,6 250 SHORT TERM CVR 3P 1PC

3VA92710WD30
Siemens
1: ¥17,068.4
10Expected 8/7/2026

Mfr. Part #
3VA92710WD30

Mouser Part #
982-3VA92710WD30

Siemens

Circuit Breaker Accessories BREAKER 3VA5,6 250 SHORT TERM CVR 3P 1PC

Datasheet

10Expected 8/7/2026

¥17,068.4

¥15,674.9

¥14,939

¥13,964

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA5,6 250 LONG TERM CVR 3P 1 PC

3VA92710WF30
Siemens
1: ¥24,454.9
5Expected 8/12/2026

Mfr. Part #
3VA92710WF30

Mouser Part #
982-3VA92710WF30

Siemens

Circuit Breaker Accessories BREAKER 3VA5,6 250 LONG TERM CVR 3P 1 PC

Datasheet

5Expected 8/12/2026

¥24,454.9

¥22,752.4

¥21,807.3

¥20,209.4

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA5,6 250 LONG TERM CVR 4P 1 PC

3VA92710WF40
Siemens
1: ¥31,140.4
5Expected 9/7/2026

Mfr. Part #
3VA92710WF40

Mouser Part #
982-3VA92710WF40

Siemens

Circuit Breaker Accessories BREAKER 3VA5,6 250 LONG TERM CVR 4P 1 PC

Datasheet

5Expected 9/7/2026

¥31,140.4

¥29,240.2

¥28,016.1

¥25,911.6

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA5,6 250 THRU DOOR OP LOK 1,12

3VA92770EK21
Siemens
1: ¥65,792.2
2Expected 9/7/2026

Mfr. Part #
3VA92770EK21

Mouser Part #
982-3VA92770EK21

Siemens

Circuit Breaker Accessories BREAKER 3VA5,6 250 THRU DOOR OP LOK 1,12

Datasheet

2Expected 9/7/2026

¥65,792.2

¥56,769.7

¥55,107

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA5, 400,600A NUTKEEPER KIT 3PC

3VA94730QA00
Siemens
1: ¥44,185.9
3In Stock
2Expected 8/12/2026

Mfr. Part #
3VA94730QA00

Mouser Part #
982-3VA94730QA00

Siemens

Circuit Breaker Accessories BREAKER 3VA5, 400,600A NUTKEEPER KIT 3PC

Datasheet

3In Stock

2Expected 8/12/2026

¥44,185.9

¥41,460.2

¥39,169.7

¥37,153.2

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BRKR 3VA SHAFT FOR PISTOL GRIP RHO 12IN

3VA94770GF10
Siemens
1: ¥37,392.4
2Expected 9/3/2026

Mfr. Part #
3VA94770GF10

Mouser Part #
982-3VA94770GF10

Siemens

Circuit Breaker Accessories BRKR 3VA SHAFT FOR PISTOL GRIP RHO 12IN

Datasheet

2Expected 9/3/2026

¥37,392.4

¥34,804.6

¥33,301.4

¥31,211.9

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BRKR 3VA6 COMS TERM RESISTOR 1BAG=5PC

3VA99870TE10
Siemens
1: ¥9,324.9
5Expected 8/10/2026

Mfr. Part #
3VA99870TE10

Mouser Part #
982-3VA99870TE10

Siemens

Circuit Breaker Accessories BRKR 3VA6 COMS TERM RESISTOR 1BAG=5PC

Datasheet

5Expected 8/10/2026

¥9,324.9

¥7,521

¥7,177.2

¥6,685.5

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA5 250A DIST LUG 6 WIRE, 3P

3VA92330JF60
Siemens
1: ¥62,169.6
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
3VA92330JF60

Mouser Part #
982-3VA92330JF60

Siemens

Circuit Breaker Accessories BREAKER 3VA5 250A DIST LUG 6 WIRE, 3P

Datasheet

Non-Stocked Lead-Time 10 Weeks

¥62,169.6

¥56,811.2

¥55,460.8

View

Min.: 1
Mult.: 1