Circuit Breaker Accessories

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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.

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Part #

Circuit Breaker Accessories Busbar,2Phase+1/2pole,18Sqmm,

2P18U3H/14
Altech
1: 43,83 €
1In Stock

Mfr. Part No.
2P18U3H/14

Mouser Part No
845-2P18U3H14

Altech

Circuit Breaker Accessories Busbar,2Phase+1/2pole,18Sqmm,

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Datasheet

1In Stock

43,83 €

31,19 €

31,17 €

28,89 €

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Min.: 1
Mult.: 1

Busbar

Circuit Breaker Accessories Busbar,3 Phase+1/2pole,25sqmm,

3P25U3H/12
Altech
1: 53,84 €
1In Stock

Mfr. Part No.
3P25U3H/12

Mouser Part No
845-3P25U3H12

Altech

Circuit Breaker Accessories Busbar,3 Phase+1/2pole,25sqmm,

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Datasheet

1In Stock

53,84 €

37,71 €

35,65 €

33,14 €

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Min.: 1
Mult.: 1

3 Phase Busbar

Busbar

3 Phase Busbar

Circuit Breaker Accessories Busbar,3 Ph, 57 PINS 19X3 POLE

3P25U3/57
Altech
1: 106,19 €
15In Stock

Mfr. Part No.
3P25U3/57

Mouser Part No
845-3P25U3/57

Altech

Circuit Breaker Accessories Busbar,3 Ph, 57 PINS 19X3 POLE

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Datasheet

15In Stock

106,19 €

96,36 €

91,73 €

87,29 €

View

Min.: 1
Mult.: 1

508

Busbar

3 Phase Busbar

Circuit Breaker Accessories Power Feed Lug for 1P/2P/3PUL

P35ULT
Altech
1: 11,74 €
307In Stock Restricted Availability

Mfr. Part No.
P35ULT

Mouser Part No
845-P35ULT

Altech

Circuit Breaker Accessories Power Feed Lug for 1P/2P/3PUL

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Datasheet

307In Stock

11,74 €

11,56 €

11,52 €

11,33 €

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Min.: 1
Mult.: 1

Restricted Availability

489

End Feed Device

Circuit Breaker Accessories Power Feed Lug for 1P/2P/3PU series

P50UT
Altech
1: 6,61 €
353In Stock Restricted Availability

Mfr. Part No.
P50UT

Mouser Part No
845-P50UT

Altech

Circuit Breaker Accessories Power Feed Lug for 1P/2P/3PU series

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Datasheet

353In Stock

6,61 €

6,59 €

6,52 €

6,23 €

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Min.: 1
Mult.: 1

Restricted Availability

508

Start/End Feed Device

Circuit Breaker Accessories 3 Ph Busbar 204.6mm 12Pin, 115A

3P16UL3/12
Altech
1: 35,88 €
108In Stock Restricted Availability

Mfr. Part No.
3P16UL3/12

Mouser Part No
845-3P16UL3/12

Altech

Circuit Breaker Accessories 3 Ph Busbar 204.6mm 12Pin, 115A

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Datasheet

108In Stock

35,88 €

30,50 €

25,36 €

View

Min.: 1
Mult.: 1

Restricted Availability

489

Busbar

3 Phase Busbar

Circuit Breaker Accessories 3 Ph Busbar 310.2mm 18Pin, 115A

3P16UL3/18
Altech
1: 43,51 €
184In Stock Restricted Availability

Mfr. Part No.
3P16UL3/18

Mouser Part No
845-3P16UL3/18

Altech

Circuit Breaker Accessories 3 Ph Busbar 310.2mm 18Pin, 115A

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Datasheet

184In Stock

43,51 €

40,45 €

38,90 €

36,94 €

View

Min.: 1
Mult.: 1

Restricted Availability

489

Busbar

3 Phase Busbar

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

18/25CAP3P
Altech
1: 0,447 €
193In Stock

Mfr. Part No.
18/25CAP3P

Mouser Part No
845-18/25CAP3P

Altech

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

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Datasheet

193In Stock

0,447 €

0,445 €

Min.: 1
Mult.: 1

508

End Cap

3 Phase Busbar

Circuit Breaker Accessories 1 Ph Busbar 204.6mm 12Pin, 115A

1P16UL3/12
Altech
1: 23,50 €
28In Stock Restricted Availability

Mfr. Part No.
1P16UL3/12

Mouser Part No
845-1P16UL3/12

Altech

Circuit Breaker Accessories 1 Ph Busbar 204.6mm 12Pin, 115A

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Datasheet

28In Stock

23,50 €

21,29 €

21,27 €

16,74 €

View

Min.: 1
Mult.: 1

Restricted Availability

489

Busbar

1 Phase Busbar

Circuit Breaker Accessories 1 Ph Busbar 99mm 6Pin, 115A

1P16UL3/6
Altech
1: 12,99 €
7In Stock Restricted Availability
30Expected 04/06/2026

Mfr. Part No.
1P16UL3/6

Mouser Part No
845-1P16UL3/6

Altech

Circuit Breaker Accessories 1 Ph Busbar 99mm 6Pin, 115A

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Datasheet

7In Stock

30Expected 04/06/2026

12,99 €

10,83 €

10,79 €

10,20 €

View

Min.: 1
Mult.: 1

Restricted Availability

489

Busbar

1 Phase Busbar

Circuit Breaker Accessories 1 Ph Busbar 210.0mm 12Pin 12x1 pole, 80A

1P18U1/12
Altech
1: 15,81 €
5In Stock

Mfr. Part No.
1P18U1/12

Mouser Part No
845-1P18U1/12

Altech

Circuit Breaker Accessories 1 Ph Busbar 210.0mm 12Pin 12x1 pole, 80A

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Datasheet

5In Stock

15,81 €

14,15 €

11,56 €

10,88 €

View

Min.: 1
Mult.: 1

508

Busbar

1 Phase Busbar

Circuit Breaker Accessories 3Pin3x1Pole50.3mm 1 PhaseBusbar

1P18U1/3
Altech
1: 6,47 €
14In Stock

Mfr. Part No.
1P18U1/3

Mouser Part No
845-1P18U1/3

Altech

Circuit Breaker Accessories 3Pin3x1Pole50.3mm 1 PhaseBusbar

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Datasheet

14In Stock

6,47 €

6,34 €

6,04 €

5,71 €

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Min.: 1
Mult.: 1

Busbar

1 Phase Busbar

Circuit Breaker Accessories 1 PH BUSBAR 18sqmm 57 LUGS

1P18U1/57
Altech
1: 48,40 €
3In Stock

Mfr. Part No.
1P18U1/57

Mouser Part No
845-1P18U1/57

Altech

Circuit Breaker Accessories 1 PH BUSBAR 18sqmm 57 LUGS

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Datasheet

3In Stock

48,40 €

34,18 €

33,07 €

31,91 €

View

Min.: 1
Mult.: 1

508

Busbar

1 Phase Busbar

Circuit Breaker Accessories 2 Ph Busbar 204.6mm 12Pin, 115A

2P16UL3/12
Altech
1: 26,37 €
11In Stock Restricted Availability

Mfr. Part No.
2P16UL3/12

Mouser Part No
845-2P16UL3/12

Altech

Circuit Breaker Accessories 2 Ph Busbar 204.6mm 12Pin, 115A

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Datasheet

11In Stock

26,37 €

24,15 €

23,02 €

22,56 €

View

Min.: 1
Mult.: 1

Restricted Availability

489

Busbar

2 Phase Busbar

Circuit Breaker Accessories 2 Ph Busbar 99mm 6Pin, 115A

2P16UL3/6
Altech
1: 13,69 €
51In Stock Restricted Availability

Mfr. Part No.
2P16UL3/6

Mouser Part No
845-2P16UL3/6

Altech

Circuit Breaker Accessories 2 Ph Busbar 99mm 6Pin, 115A

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Datasheet

51In Stock

13,69 €

13,03 €

12,44 €

12,19 €

View

Min.: 1
Mult.: 1

Restricted Availability

489

Busbar

2 Phase Busbar

Circuit Breaker Accessories 2 Ph Busbar 66.3mm 4P 2x2 pole, 80A

2P18U3/4
Altech
1: 17,95 €
6In Stock

Mfr. Part No.
2P18U3/4

Mouser Part No
845-2P18U3/4

Altech

Circuit Breaker Accessories 2 Ph Busbar 66.3mm 4P 2x2 pole, 80A

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Datasheet

6In Stock

17,95 €

16,92 €

16,22 €

15,70 €

View

Min.: 1
Mult.: 1

508

Busbar

2 Phase Busbar

Circuit Breaker Accessories 2 Ph Busbar 137.3mm 8Pin, 4x2 pole, 80A

2P18U3/8
Altech
1: 26,75 €
39In Stock

Mfr. Part No.
2P18U3/8

Mouser Part No
845-2P18U3/8

Altech

Circuit Breaker Accessories 2 Ph Busbar 137.3mm 8Pin, 4x2 pole, 80A

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Datasheet

39In Stock

26,75 €

25,89 €

24,02 €

21,16 €

View

Min.: 1
Mult.: 1

508

Busbar

2 Phase Busbar

Circuit Breaker Accessories Busbar,2 Phase,18sqmm,PIN Type

2P18U3/10
Altech
1: 33,76 €
23In Stock

Mfr. Part No.
2P18U3/10

Mouser Part No
845-2P18U310

Altech

Circuit Breaker Accessories Busbar,2 Phase,18sqmm,PIN Type

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Datasheet

23In Stock

33,76 €

28,46 €

27,48 €

23,07 €

View

Min.: 1
Mult.: 1

Busbar

2 Phase Busbar

Circuit Breaker Accessories Busbar,2 Phase,18sqmm,PIN Type

2P18U3/16
Altech
1: 29,45 €
2In Stock

Mfr. Part No.
2P18U3/16

Mouser Part No
845-2P18U316

Altech

Circuit Breaker Accessories Busbar,2 Phase,18sqmm,PIN Type

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Datasheet

2In Stock

29,45 €

28,60 €

27,99 €

26,81 €

View

Min.: 1
Mult.: 1

Busbar

2 Phase Busbar

Circuit Breaker Accessories 3 Ph Busbar 99mm 6Pin, 115A

3P16UL3/6
Altech
1: 18,34 €
40In Stock Restricted Availability
40Expected 26/02/2026

Mfr. Part No.
3P16UL3/6

Mouser Part No
845-3P16UL3/6

Altech

Circuit Breaker Accessories 3 Ph Busbar 99mm 6Pin, 115A

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Datasheet

40In Stock

40Expected 26/02/2026

18,34 €

14,11 €

Min.: 1
Mult.: 1

Restricted Availability

489

Busbar

3 Phase Busbar

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

3P25U3/12
Altech
1: 39,47 €
6In Stock

Mfr. Part No.
3P25U3/12

Mouser Part No
845-3P25U312

Altech

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

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Datasheet

6In Stock

39,47 €

38,17 €

37,32 €

36,51 €

Quote

Min.: 1
Mult.: 1

Busbar

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

3P25U3/9
Altech
1: 49,68 €
4In Stock

Mfr. Part No.
3P25U3/9

Mouser Part No
845-3P25U39

Altech

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

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4In Stock

49,68 €

43,45 €

33,65 €

31,38 €

View

Min.: 1
Mult.: 1

Busbar

3 Phase Busbar

Circuit Breaker Accessories Insul Cap 3 pr strip for 1P/2P/3PUL

BRUL
Altech
1: 1,70 €
144In Stock

Mfr. Part No.
BRUL

Mouser Part No
845-BRUL

Altech

Circuit Breaker Accessories Insul Cap 3 pr strip for 1P/2P/3PUL

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Datasheet

144In Stock

1,70 €

1,69 €

1,60 €

1,55 €

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Min.: 1
Mult.: 1

489

Cap

Insulation Cap

Circuit Breaker Accessories BUS BAR SUPPT W/SCRW

NES
Altech
1: 1,67 €
44In Stock

Mfr. Part No.
NES

Mouser Part No
845-NES

Altech

Circuit Breaker Accessories BUS BAR SUPPT W/SCRW

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Datasheet

44In Stock

1,67 €

1,63 €

1,57 €

0,602 €

View

Min.: 1
Mult.: 1

Busbar

Plastic Support with Fixing Screw

Circuit Breaker Accessories MODULAR DIR PWR FEED FOR 1-3 PH BUSBAR

P50UB
Altech
1: 7,38 €
92In Stock Restricted Availability

Mfr. Part No.
P50UB

Mouser Part No
845-P50UB

Altech

Circuit Breaker Accessories MODULAR DIR PWR FEED FOR 1-3 PH BUSBAR

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Datasheet

92In Stock

7,38 €

7,36 €

7,33 €

7,29 €

View

Min.: 1
Mult.: 1

Restricted Availability

508

Start/End Feed Device

Busbar Systems

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