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

Auxiliary Contacts

Auxiliary Contacts are available at Mouser from leading manufacturers. Mouser is an authorized distributor for many auxiliary contact manufacturers including ABB, Eaton & Siemens.
More...

Please view our large selection of auxiliary contacts below.

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

Results: 307

Applied Filters:

Manufacturer

Type

Contact Form

For Use With

Voltage Rating

Current Rating

Series

Reset All

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 #

Auxiliary Contacts ISOLATOR SWITCH 1-NO 16A 250V

E211-16-10
ABB
1: Rp978.392
20In Stock
6On Order
New At Mouser

Mfr. Part No.
E211-16-10

Mouser Part No
894-E211-16-10

New At Mouser

ABB

Auxiliary Contacts ISOLATOR SWITCH 1-NO 16A 250V

20In Stock

6On Order

Rp978.392

Rp957.845

Rp835.110

Rp794.198

View

Min.: 1
Mult.: 1

SPST-NO

250 VAC

16 A

Auxiliary Contacts CONTACTO AUXILIAR N.O.

CR305X100D
ABB
1: Rp3.415.475
5In Stock
New At Mouser

Mfr. Part No.
CR305X100D

Mouser Part No
894-CR305X100D

New At Mouser

ABB

Auxiliary Contacts CONTACTO AUXILIAR N.O.

5In Stock

Rp3.415.475

Rp2.896.100

Rp2.819.597

Rp2.719.244

View

Min.: 1
Mult.: 1

1 NO

300 Line Starters

Auxiliary Contacts AUX FRDM SZ00-2, A-K TOP MTD 2NO2NC LL

C320KGT15L
Eaton Electrical
1: Rp5.397.577
1In Stock

Mfr. Part No.
C320KGT15L

Mouser Part No
504-C320KGT15L

Eaton Electrical

Auxiliary Contacts AUX FRDM SZ00-2, A-K TOP MTD 2NO2NC LL

Datasheet

1In Stock

Rp5.397.577

Rp4.805.184

Rp4.588.151

Min.: 1
Mult.: 1

Starters and Contactors

Freedom NEMA

Auxiliary Contacts AUX FRDM SZ00-2, A-K TOP MTD 2NO-1NC

C320KGT10
Eaton Electrical
1: Rp5.397.577
1In Stock

Mfr. Part No.
C320KGT10

Mouser Part No
504-C320KGT10

Eaton Electrical

Auxiliary Contacts AUX FRDM SZ00-2, A-K TOP MTD 2NO-1NC

Datasheet

1In Stock

Rp5.397.577

Rp4.374.604

Rp4.234.991

Min.: 1
Mult.: 1

Starters and Contactors

Freedom NEMA

Auxiliary Contacts SPDT AUX SWITCH FOR ALL 3 POLES

CON-AUX300-1
Hartland Controls / Littelfuse
1: Rp418.656
55In Stock

Mfr. Part No.
CON-AUX300-1

Mouser Part No
576-CON-AUX300-1

Hartland Controls / Littelfuse

Auxiliary Contacts SPDT AUX SWITCH FOR ALL 3 POLES

Learn More

Datasheet

55In Stock

Rp418.656

Rp346.372

Rp321.422

Rp289.867

View

Min.: 1
Mult.: 1

SPDT

HCD

Auxiliary Contacts 2 SPDT AUX SWITCH FOR ALL 3 POLES

CON-AUX300-2
Hartland Controls / Littelfuse
1: Rp465.071
53In Stock

Mfr. Part No.
CON-AUX300-2

Mouser Part No
576-CON-AUX300-2

Hartland Controls / Littelfuse

Auxiliary Contacts 2 SPDT AUX SWITCH FOR ALL 3 POLES

Learn More

Datasheet

53In Stock

Rp465.071

Rp384.716

Rp356.830

Rp323.257

View

Min.: 1
Mult.: 1

SPDT

HCD

Auxiliary Contacts AUX. SWITCH 3NO+1NC FOR S00 SPRING

3RH29112HA31
Siemens
1: Rp992.335
376In Stock

Mfr. Part No.
3RH29112HA31

Mouser Part No
982-3RH29112HA31

Siemens

Auxiliary Contacts AUX. SWITCH 3NO+1NC FOR S00 SPRING

Learn More

Datasheet

376In Stock

Rp992.335

Rp946.287

Rp896.569

Rp847.402

Rp809.059

Min.: 1
Mult.: 1

3 NO + 1 NC

690 VAC

10 A

3RH2

Auxiliary Contacts E211 ON OFF SWITCH 2NO 32A

E211-32-20
ABB
1: Rp1.405.671
44In Stock
New At Mouser

Mfr. Part No.
E211-32-20

Mouser Part No
894-E211-32-20

New At Mouser

ABB

Auxiliary Contacts E211 ON OFF SWITCH 2NO 32A

44In Stock

Rp1.405.671

Rp1.370.630

Rp1.289.540

Rp1.246.978

View

Min.: 1
Mult.: 1

2 NO

250 VAC to 400 VAC

32 A

Auxiliary Contacts AUXILIARY SWITCH BLOCK,1NO+1NC,SZ S0..S3

3RH19211DA11
Siemens
1: Rp717.512
54In Stock

Mfr. Part No.
3RH19211DA11

Mouser Part No
982-3RH19211DA11

Siemens

Auxiliary Contacts AUXILIARY SWITCH BLOCK,1NO+1NC,SZ S0..S3

Datasheet

54In Stock

Rp717.512

Rp658.438

Rp628.534

Rp606.886

View

Min.: 1
Mult.: 1

1 Form C (SPDT-NO, NC)

500 VAC

10 A

3RH19

Auxiliary Contacts AUX. SWITCH 2NO+2NC FOR S00 & S0 SCREW

3RH29111HA22
Siemens
1: Rp984.446
66In Stock

Mfr. Part No.
3RH29111HA22

Mouser Part No
982-3RH29111HA22

Siemens

Auxiliary Contacts AUX. SWITCH 2NO+2NC FOR S00 & S0 SCREW

Learn More

Datasheet

66In Stock

Rp984.446

Rp843.549

Rp787.227

Rp786.860

Min.: 1
Mult.: 1

2 NO + 2 NC

690 VAC

10 A

3RH2

Auxiliary Contacts AUX. SWITCH 2NO+2NC FOR S00 & S0 SCREW

3RH29111XA220MA0
Siemens
1: Rp950.139
65In Stock

Mfr. Part No.
3RH29111XA220MA0

Mouser Part No
982-3RH29111XA220MA0

Siemens

Auxiliary Contacts AUX. SWITCH 2NO+2NC FOR S00 & S0 SCREW

Learn More

Datasheet

65In Stock

Rp950.139

Rp849.236

Rp821.534

Rp788.144

Rp786.860

Min.: 1
Mult.: 1

2 NO + 2 NC

690 VAC

10 A

3RH2

Auxiliary Contacts TRANSVERSE AUX. SWITCH 1NO + 1NC

3RV29011E
Siemens
1: Rp694.213
93In Stock

Mfr. Part No.
3RV29011E

Mouser Part No
982-3RV29011E

Siemens

Auxiliary Contacts TRANSVERSE AUX. SWITCH 1NO + 1NC

Learn More

Datasheet

93In Stock

Rp694.213

Rp687.608

Rp605.235

Rp507.817

View

Min.: 1
Mult.: 1

1 Form C (SPDT-NO, NC)

3RV2

Auxiliary Contacts MOLDED CASE CIRCUIT BREAKER 600V 400A

LAL36400
Schneider Electric
1: Rp69.086.083
1In Stock
New At Mouser

Mfr. Part No.
LAL36400

Mouser Part No
996-LAL36400

New At Mouser

Schneider Electric

Auxiliary Contacts MOLDED CASE CIRCUIT BREAKER 600V 400A

Datasheet

1In Stock

Rp69.086.083

Min.: 1
Mult.: 1

3 NO + 1 NC

LC1D09 to LC1D150 contactors

Auxiliary Contacts AUX FRDM SZ00-2, A-K MTD 1NO

C320KGS1
Eaton Electrical
1: Rp2.244.450
5In Stock

Mfr. Part No.
C320KGS1

Mouser Part No
504-C320KGS1

Eaton Electrical

Auxiliary Contacts AUX FRDM SZ00-2, A-K MTD 1NO

Learn More

Datasheet

5In Stock

Rp2.244.450

Rp2.068.328

Rp1.688.566

Rp1.605.092

View

Min.: 1
Mult.: 1

Side Mounted

Starters and Contactors

Freedom NEMA

Auxiliary Contacts AUX CONT FRDM SZ3 L-N BASE AUX 1NO

C320KGS31
Eaton Electrical
1: Rp4.191.878
5In Stock

Mfr. Part No.
C320KGS31

Mouser Part No
504-C320KGS31

Eaton Electrical

Auxiliary Contacts AUX CONT FRDM SZ3 L-N BASE AUX 1NO

Datasheet

5In Stock

Rp4.191.878

Rp3.546.649

Rp3.440.058

Rp3.312.370

View

Min.: 1
Mult.: 1

Side Mounted

Starters and Contactors

Freedom NEMA

Auxiliary Contacts AUX CONT FRDM SZ3 L-N BASE AUX 1NO-1NC

C320KGS32
Eaton Electrical
1: Rp6.757.199
3In Stock

Mfr. Part No.
C320KGS32

Mouser Part No
504-C320KGS32

Eaton Electrical

Auxiliary Contacts AUX CONT FRDM SZ3 L-N BASE AUX 1NO-1NC

Learn More

Datasheet

3In Stock

Rp6.757.199

Rp5.178.892

Rp4.851.967

View

Min.: 1
Mult.: 1

Side Mounted

Starters and Contactors

Freedom NEMA

Auxiliary Contacts AUX CONT FRDM SZ00-2, A-K MTD 2NO

C320KGS4
Eaton Electrical
1: Rp3.234.033
6In Stock

Mfr. Part No.
C320KGS4

Mouser Part No
504-C320KGS4

Eaton Electrical

Auxiliary Contacts AUX CONT FRDM SZ00-2, A-K MTD 2NO

Learn More

Datasheet

6In Stock

Rp3.234.033

Rp2.960.127

Rp2.562.753

Rp2.403.143

View

Min.: 1
Mult.: 1

Side Mounted

Starters and Contactors

Freedom NEMA

Auxiliary Contacts AUX CONT FRDM SZ4,5 P-S BASE AUX 1NO-NC

C320KGS42
Eaton Electrical
1: Rp5.297.224
4In Stock
New At Mouser

Mfr. Part No.
C320KGS42

Mouser Part No
504-C320KGS42

New At Mouser

Eaton Electrical

Auxiliary Contacts AUX CONT FRDM SZ4,5 P-S BASE AUX 1NO-NC

Learn More

Datasheet

4In Stock

Rp5.297.224

Rp4.966.079

Rp4.795.277

Min.: 1
Mult.: 1

Side Mounted

Starters and Contactors

Freedom NEMA

Auxiliary Contacts AUX CONT FRDM SZ00-2, A-K TOP MTD 3NO1NC

C320KGT14
Eaton Electrical
1: Rp5.397.577
1In Stock

Mfr. Part No.
C320KGT14

Mouser Part No
504-C320KGT14

Eaton Electrical

Auxiliary Contacts AUX CONT FRDM SZ00-2, A-K TOP MTD 3NO1NC

Learn More

Datasheet

1In Stock

Rp5.397.577

Rp4.947.182

Rp4.806.835

Min.: 1
Mult.: 1

Starters and Contactors

Freedom NEMA

Auxiliary Contacts FRNT MNT NO LEADING AUX, AF09-AF38

CC4-10
ABB
1: Rp547.812
5In Stock
New At Mouser

Mfr. Part No.
CC4-10

Mouser Part No
894-CC4-10

New At Mouser

ABB

Auxiliary Contacts FRNT MNT NO LEADING AUX, AF09-AF38

Datasheet

5In Stock

Rp547.812

Rp481.399

Rp454.981

Rp431.314

View

Min.: 1
Mult.: 1

Contactors, AF09-AF38 Series

Auxiliary Contacts 1 POLE AUX BLOCK 460 LINE

CR460XB1
ABB
1: Rp888.313
5In Stock
New At Mouser

Mfr. Part No.
CR460XB1

Mouser Part No
894-CR460XB1

New At Mouser

ABB

Auxiliary Contacts 1 POLE AUX BLOCK 460 LINE

Datasheet

5In Stock

Rp888.313

Rp849.603

Rp811.260

Rp764.845

View

Min.: 1
Mult.: 1

Lighting Contactors, CR460 Series

Auxiliary Contacts ISOLATOR SWITCH 2-NO 16A 250V

E211-16-20
ABB
1: Rp1.369.529
6In Stock
New At Mouser

Mfr. Part No.
E211-16-20

Mouser Part No
894-E211-16-20

New At Mouser

ABB

Auxiliary Contacts ISOLATOR SWITCH 2-NO 16A 250V

6In Stock

Rp1.369.529

Rp1.157.816

Rp1.101.127

Rp1.042.970

View

Min.: 1
Mult.: 1

2 NO

250 VAC

16 A

Auxiliary Contacts PUB SW 1NO/1NC RED LENS

E215-16-11C
ABB
1: Rp1.369.529
4In Stock
1Expected 18/06/2026
New At Mouser

Mfr. Part No.
E215-16-11C

Mouser Part No
894-E215-16-11C

New At Mouser

ABB

Auxiliary Contacts PUB SW 1NO/1NC RED LENS

4In Stock

1Expected 18/06/2026

Rp1.369.529

Rp1.224.412

Rp1.164.054

Rp1.111.584

View

Min.: 1
Mult.: 1

1 NO + 1 NC

250 VAC

16 A

Auxiliary Contacts CONTROL SW 1NO-1NC 16A 250V

E218-16-11
ABB
1: Rp1.141.121
10In Stock
New At Mouser

Mfr. Part No.
E218-16-11

Mouser Part No
894-E218-16-11

New At Mouser

ABB

Auxiliary Contacts CONTROL SW 1NO-1NC 16A 250V

10In Stock

Rp1.141.121

Rp1.108.649

Rp1.056.179

Rp984.446

View

Min.: 1
Mult.: 1

1 NO + 1 NC

250 VAC

16 A

Auxiliary Contacts CONTROL SW 2NO-2NC 16A 250V

E218-16-22
ABB
1: Rp1.915.322
7In Stock
New At Mouser

Mfr. Part No.
E218-16-22

Mouser Part No
894-E218-16-22

New At Mouser

ABB

Auxiliary Contacts CONTROL SW 2NO-2NC 16A 250V

7In Stock

Rp1.915.322

Rp1.749.108

Rp1.714.434

Rp1.631.326

View

Min.: 1
Mult.: 1

2 NO + 2 NC

250 VAC

16 A

Auxiliary Contacts

Customer Service Office

Company

Resources

Support

1 NC
1 NC + 1 NO
1 NC + 3 NO
1 NO
1 NO + 1 NC
1 NO + 2 NC
1 NO + 3 NC
2 NC
2 NO
2 NO + 1 NC
2 NO + 2 NC
3 NO + 1 NC
4 NO
1 Form C (SPDT-NO, NC)
2 Form A (DPST-NO)
2 Form B (DPST-NC)
2 SPDT
3 Form A (3PST-NO)
3 Form B (3PST-NC)
4 Form A (4PST-NO)