Circuit Breaker Accessories

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

Busbar Systems

Altech Busbar Systems are an innovative way to jumper up to 57 poles of miniature circuit breakers (MCB), manual motor controllers (MMC), and supplementary protectors (SP). Altech Busbars provide a 30% reduction in installation time, reduced maintenance, high electrical ratings, and save panel space. The Altech Universal UL489 Busbar fits most UL489 miniature circuit breakers on the market. The Altech Universal UL1077/508 Busbar fits most supplementary protectors and manual motor controllers in the market.

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

Results: 483

Applied Filters:

Series

Product

Type

Packaging

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 #

Circuit Breaker Accessories Modular Dir Pwr Feed for 1P/2P/3PUL

P50ULB
Altech
1: 91,24 kr.
39In Stock Restricted Availability
52Expected 25/02/2026

Mfr. Part No.
P50ULB

Mouser Part No
845-P50ULB

Altech

Circuit Breaker Accessories Modular Dir Pwr Feed for 1P/2P/3PUL

Learn More

Datasheet

39In Stock

52Expected 25/02/2026

91,24 kr.

90,94 kr.

89,97 kr.

88,33 kr.

View

Min.: 1
Mult.: 1

Restricted Availability

489

End Feed Device

Circuit Breaker Accessories APDBUSBAR 25A/600VAC;1PH;83TB

1LB83-25A
Altech
1: 656,26 kr.
3In Stock

Mfr. Part No.
1LB83-25A

Mouser Part No
845-1LB8325A

Altech

Circuit Breaker Accessories APDBUSBAR 25A/600VAC;1PH;83TB

Learn More

Datasheet

3In Stock

656,26 kr.

548,98 kr.

520,11 kr.

433,43 kr.

404,48 kr.

Min.: 1
Mult.: 1

Circuit Breaker Accessories Busbar 3Phase 18sqmm PIN Type 57 lugs

3P18U3/57
Altech
1: 898,26 kr.
1In Stock

Mfr. Part No.
3P18U3/57

Mouser Part No
845-3P18U3/57

Altech

Circuit Breaker Accessories Busbar 3Phase 18sqmm PIN Type 57 lugs

Learn More

1In Stock

898,26 kr.

744,88 kr.

694,00 kr.

571,59 kr.

530,78 kr.

Min.: 1
Mult.: 1

Busbar

Circuit Breaker Accessories Insulation Cap for 1P/2P/3PU series

BRS5
Altech
1: 28,20 kr.
9In Stock

Mfr. Part No.
BRS5

Mouser Part No
845-BRS5

Altech

Circuit Breaker Accessories Insulation Cap for 1P/2P/3PU series

Learn More

Datasheet

9In Stock

28,20 kr.

23,50 kr.

22,45 kr.

21,78 kr.

Min.: 1
Mult.: 1

508

Cap

Insulation Cap

Circuit Breaker Accessories Busbar Supp w/ fixing screw

NES/5S
Altech
1: 24,39 kr.
37In Stock

Mfr. Part No.
NES/5S

Mouser Part No
845-NES5S

Altech

Circuit Breaker Accessories Busbar Supp w/ fixing screw

Learn More

37In Stock

24,39 kr.

22,68 kr.

21,41 kr.

20,81 kr.

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories Busbar,3 Phase,25sqmm,PIN Type

3P25U3/15
Altech
1: 317,87 kr.
6Expected 23/02/2026

Mfr. Part No.
3P25U3/15

Mouser Part No
845-3P25U315

Altech

Circuit Breaker Accessories Busbar,3 Phase,25sqmm,PIN Type

Learn More

6Expected 23/02/2026

317,87 kr.

309,74 kr.

304,22 kr.

298,10 kr.

Quote

Min.: 1
Mult.: 1

Busbar

3 Phase Busbar

Circuit Breaker Accessories Endcap for 18/25sqmm Busbar,

18/25CAP1P
Altech
1: 13,35 kr.
1.199Factory Stock Available

Mfr. Part No.
18/25CAP1P

Mouser Part No
845-1825CAP1P

Altech

Circuit Breaker Accessories Endcap for 18/25sqmm Busbar,

Learn More

1.199Factory Stock Available

More Info Available

13,35 kr.

12,98 kr.

12,61 kr.

10,59 kr.

View

Min.: 1
Mult.: 1

End Cap

Busbar Terminal Cover

Circuit Breaker Accessories 1 Ph Busbar 310.2mm 18Pin, 115A

1P16UL3/18
Altech
1: 192,17 kr.
283Factory Stock Available Restricted Availability

Mfr. Part No.
1P16UL3/18

Mouser Part No
845-1P16UL3/18

Altech

Circuit Breaker Accessories 1 Ph Busbar 310.2mm 18Pin, 115A

Learn More

Datasheet

283Factory Stock Available

More Info Available

192,17 kr.

188,66 kr.

183,67 kr.

179,41 kr.

View

Min.: 1
Mult.: 1

Restricted Availability

489

Busbar

1 Phase Busbar

Circuit Breaker Accessories 1 Ph Busbar 85.8mm 5Pin 5x1 pole, 80A

1P18U1/5
Altech
1: 56,62 kr.
46Factory Stock Available

Mfr. Part No.
1P18U1/5

Mouser Part No
845-1P18U1/5

Altech

Circuit Breaker Accessories 1 Ph Busbar 85.8mm 5Pin 5x1 pole, 80A

Learn More

Datasheet

46Factory Stock Available

More Info Available

56,62 kr.

53,26 kr.

50,28 kr.

48,34 kr.

View

Min.: 1
Mult.: 1

508

Busbar

1 Phase Busbar

Circuit Breaker Accessories Busbar,2 Ph, 56 PINS 28X2 POLE

2P25U3/56
Altech
1: 586,51 kr.
242Factory Stock Available

Mfr. Part No.
2P25U3/56

Mouser Part No
845-2P25U3/56

Altech

Circuit Breaker Accessories Busbar,2 Ph, 56 PINS 28X2 POLE

Learn More

Datasheet

242Factory Stock Available

More Info Available

586,51 kr.

552,79 kr.

523,92 kr.

493,70 kr.

View

Min.: 1
Mult.: 1

508

Busbar

2 Phase Busbar

Circuit Breaker Accessories 3 Ph Busbar 155.0mm 9Pin, 3x3pole, 80A

3P18U3/9
Altech
1: 209,03 kr.
8Factory Stock Available

Mfr. Part No.
3P18U3/9

Mouser Part No
845-3P18U3/9

Altech

Circuit Breaker Accessories 3 Ph Busbar 155.0mm 9Pin, 3x3pole, 80A

Learn More

Datasheet

8Factory Stock Available

More Info Available

209,03 kr.

195,83 kr.

188,96 kr.

182,84 kr.

View

Min.: 1
Mult.: 1

508

Busbar

3 Phase Busbar

Circuit Breaker Accessories Busbar,3 Phase,18sqmm,PIN Type

3P18U3/21
Altech
1: 325,11 kr.
49Factory Stock Available

Mfr. Part No.
3P18U3/21

Mouser Part No
845-3P18U321

Altech

Circuit Breaker Accessories Busbar,3 Phase,18sqmm,PIN Type

Learn More

Datasheet

49Factory Stock Available

More Info Available

325,11 kr.

314,07 kr.

298,70 kr.

280,35 kr.

View

Min.: 1
Mult.: 1

Busbar

3 Phase Busbar

Circuit Breaker Accessories Busbar,3phase,25sqmm,PIN Type

3P25U3/21
Altech
1: 373,22 kr.
6Factory Stock Available

Mfr. Part No.
3P25U3/21

Mouser Part No
845-3P25U321

Altech

Circuit Breaker Accessories Busbar,3phase,25sqmm,PIN Type

Learn More

Datasheet

6Factory Stock Available

More Info Available

373,22 kr.

366,36 kr.

337,34 kr.

326,52 kr.

View

Min.: 1
Mult.: 1

Busbar

3 Phase Busbar

Circuit Breaker Accessories Modular Dir Pwr Feed for 1P/2P/3PU serie

P95UB
Altech
1: 489,82 kr.
2Factory Stock Available Restricted Availability

Mfr. Part No.
P95UB

Mouser Part No
845-P95UB

Altech

Circuit Breaker Accessories Modular Dir Pwr Feed for 1P/2P/3PU serie

Learn More

Datasheet

2Factory Stock Available

More Info Available

489,82 kr.

480,42 kr.

444,32 kr.

430,96 kr.

View

Min.: 1
Mult.: 1

Restricted Availability

508

Center/Middle Feeding Device

Circuit Breaker Accessories Insulation for18/25sqmm Busbar

18/25INS3P
Altech
1: 180,46 kr.
78Factory Stock Available

Mfr. Part No.
18/25INS3P

Mouser Part No
845-1825INS3P

Altech

Circuit Breaker Accessories Insulation for18/25sqmm Busbar

Learn More

Datasheet

78Factory Stock Available

More Info Available

180,46 kr.

169,49 kr.

163,52 kr.

158,30 kr.

View

Min.: 1
Mult.: 1

Busbar

3 Phase Busbar

Circuit Breaker Accessories Insulation for18sqmm Busbar

18INS1P
Altech
1: 92,35 kr.
5Factory Stock Available

Mfr. Part No.
18INS1P

Mouser Part No
845-18INS1P

Altech

Circuit Breaker Accessories Insulation for18sqmm Busbar

Learn More

5Factory Stock Available

More Info Available

92,35 kr.

86,69 kr.

83,63 kr.

79,97 kr.

79,60 kr.

Min.: 1
Mult.: 1

Busbar

1 Phase Busbar

Circuit Breaker Accessories 1 Ph Busbar 174.5mm 10Pin 10x1 pole, 80A

1P18U1/10
Altech
1: 77,73 kr.
59Factory Stock Available

Mfr. Part No.
1P18U1/10

Mouser Part No
845-1P18U1/10

Altech

Circuit Breaker Accessories 1 Ph Busbar 174.5mm 10Pin 10x1 pole, 80A

Learn More

Datasheet

59Factory Stock Available

More Info Available

77,73 kr.

77,66 kr.

74,90 kr.

73,56 kr.

View

Min.: 1
Mult.: 1

508

Busbar

1 Phase Busbar

Circuit Breaker Accessories 1 Ph Busbar 423.0mm 24Pin 24x1 pole, 80A

1P18U1/24
Altech
1: 136,82 kr.
52Factory Stock Available

Mfr. Part No.
1P18U1/24

Mouser Part No
845-1P18U1/24

Altech

Circuit Breaker Accessories 1 Ph Busbar 423.0mm 24Pin 24x1 pole, 80A

Learn More

Datasheet

52Factory Stock Available

More Info Available

136,82 kr.

129,58 kr.

121,60 kr.

116,97 kr.

View

Min.: 1
Mult.: 1

508

Busbar

1 Phase Busbar

Circuit Breaker Accessories 1 Ph Busbar 103.5mm 6Pin 6x1 pole, 80A

1P18U1/6
Altech
1: 60,72 kr.
51Factory Stock Available

Mfr. Part No.
1P18U1/6

Mouser Part No
845-1P18U1/6

Altech

Circuit Breaker Accessories 1 Ph Busbar 103.5mm 6Pin 6x1 pole, 80A

Learn More

Datasheet

51Factory Stock Available

More Info Available

60,72 kr.

58,56 kr.

55,35 kr.

53,34 kr.

View

Min.: 1
Mult.: 1

508

Busbar

1 Phase Busbar

Circuit Breaker Accessories 1 Ph Busbar 139.0mm 8Pin 8x1 pole, 80A

1P18U1/8
Altech
1: 69,30 kr.
111Factory Stock Available

Mfr. Part No.
1P18U1/8

Mouser Part No
845-1P18U1/8

Altech

Circuit Breaker Accessories 1 Ph Busbar 139.0mm 8Pin 8x1 pole, 80A

Learn More

Datasheet

111Factory Stock Available

More Info Available

69,30 kr.

65,20 kr.

61,25 kr.

59,23 kr.

View

Min.: 1
Mult.: 1

508

Busbar

1 Phase Busbar

Circuit Breaker Accessories Busbar,1 Phase,18sqmm,PIN Type

1P18U1/7
Altech
1: 65,28 kr.
107Factory Stock Available

Mfr. Part No.
1P18U1/7

Mouser Part No
845-1P18U17

Altech

Circuit Breaker Accessories Busbar,1 Phase,18sqmm,PIN Type

Learn More

Datasheet

107Factory Stock Available

More Info Available

65,28 kr.

64,23 kr.

61,69 kr.

59,83 kr.

View

Min.: 1
Mult.: 1

Busbar

1 Phase Busbar

Circuit Breaker Accessories Busbar,1 Phase,18sqmm,PIN Type

1P18U1/9
Altech
1: 73,56 kr.
14Factory Stock Available

Mfr. Part No.
1P18U1/9

Mouser Part No
845-1P18U19

Altech

Circuit Breaker Accessories Busbar,1 Phase,18sqmm,PIN Type

Learn More

Datasheet

14Factory Stock Available

More Info Available

73,56 kr.

69,01 kr.

66,17 kr.

63,41 kr.

View

Min.: 1
Mult.: 1

Busbar

1 Phase Busbar

Circuit Breaker Accessories APDBUSBAR 63A/600VAC;1PH;158TB

1TC158-63A
Altech
1: 1.305,20 kr.
7Factory Stock Available

Mfr. Part No.
1TC158-63A

Mouser Part No
845-1TC15863A

Altech

Circuit Breaker Accessories APDBUSBAR 63A/600VAC;1PH;158TB

Learn More

7Factory Stock Available

More Info Available

1.305,20 kr.

1.082,22 kr.

1.008,52 kr.

830,60 kr.

771,21 kr.

Min.: 1
Mult.: 1

Circuit Breaker Accessories APDBUSBAR 63A/600VAC;1PH;83TB

1TC83-63A
Altech
1: 780,61 kr.
14Factory Stock Available

Mfr. Part No.
1TC83-63A

Mouser Part No
845-1TC8363A

Altech

Circuit Breaker Accessories APDBUSBAR 63A/600VAC;1PH;83TB

Learn More

Datasheet

14Factory Stock Available

More Info Available

780,61 kr.

647,30 kr.

596,87 kr.

493,63 kr.

455,73 kr.

Min.: 1
Mult.: 1

Circuit Breaker Accessories APDBUSBAR 25A/600VAC;2PH;158TB

2LB158-25A
Altech
1: 1.419,64 kr.
8Factory Stock Available

Mfr. Part No.
2LB158-25A

Mouser Part No
845-2LB15825A

Altech

Circuit Breaker Accessories APDBUSBAR 25A/600VAC;2PH;158TB

Learn More

8Factory Stock Available

More Info Available

1.419,64 kr.

1.177,19 kr.

1.096,92 kr.

903,41 kr.

838,88 kr.

Min.: 1
Mult.: 1

Busbar Systems

Customer Service Office

Company

Resources

Support