Industrial Automation – Mouser United Kingdom

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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,3 Ph, 57 PINS 19X3 POLE

3P25U3/57
Altech
1: £77.02
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

£77.02

Min.: 1
Mult.: 1

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

2P18U3H/14
Altech
1: £38.26
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

£38.26

£27.23

£27.21

£25.22

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Min.: 1
Mult.: 1

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

3P25U3H/12
Altech
1: £47.00
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

£47.00

£32.92

£31.12

£28.93

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Busbar Supp w/ fixing screw

NES/5S
Altech
1: £2.85
17In Stock

Mfr. Part No.
NES/5S

Mouser Part No
845-NES5S

Altech

Circuit Breaker Accessories Busbar Supp w/ fixing screw

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17In Stock

£2.85

£2.65

£2.51

£2.44

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Min.: 1
Mult.: 1

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

3P16UL3/12
Altech
1: £26.10
87In 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

87In Stock

£26.10

£25.07

£22.72

£22.24

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Min.: 1
Mult.: 1

Restricted Availability

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

P35ULT
Altech
1: £10.25
600In 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

600In Stock

£10.25

£10.20

£10.16

£9.73

£9.72

Min.: 1
Mult.: 1

Restricted Availability

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

P50UB
Altech
1: £6.44
220In 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

220In Stock

£6.44

£6.30

£6.01

£5.98

Min.: 1
Mult.: 1

Restricted Availability

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

3P16UL3/18
Altech
1: £37.98
146In 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

146In Stock

£37.98

£34.54

£33.75

£31.65

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Min.: 1
Mult.: 1

Restricted Availability

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

18/25CAP3P
Altech
1: £0.39
61In 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

61In Stock

£0.39

Min.: 1
Mult.: 1

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

1P16UL3/12
Altech
1: £20.52
22In 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

22In Stock

£20.52

£18.59

£18.57

£14.61

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Min.: 1
Mult.: 1

Restricted Availability

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

1P16UL3/18
Altech
1: £22.49
1In Stock Restricted Availability

Mfr. Part No.
1P16UL3/18

Mouser Part No
845-1P16UL3/18

Altech

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

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Datasheet

1In Stock

£22.49

£22.08

£21.49

£21.00

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Min.: 1
Mult.: 1

Restricted Availability

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

1P16UL3/6
Altech
1: £11.51
30In Stock Restricted Availability

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

30In Stock

£11.51

£11.34

£9.45

£9.23

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Min.: 1
Mult.: 1

Restricted Availability

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

1P18U1/12
Altech
1: £13.80
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

£13.80

£12.35

£10.09

£9.50

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Min.: 1
Mult.: 1

Circuit Breaker Accessories 3Pin3x1Pole50.3mm 1 PhaseBusbar

1P18U1/3
Altech
1: £5.65
12In 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

12In Stock

£5.65

£5.53

£5.27

£4.98

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Min.: 1
Mult.: 1

Circuit Breaker Accessories 1 Ph Busbar 68.0mm 4Pin 4x1 pole, 80A

1P18U1/4
Altech
1: £6.15
73In Stock

Mfr. Part No.
1P18U1/4

Mouser Part No
845-1P18U1/4

Altech

Circuit Breaker Accessories 1 Ph Busbar 68.0mm 4Pin 4x1 pole, 80A

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Datasheet

73In Stock

£6.15

£6.01

£5.70

£5.65

Quote

Min.: 1
Mult.: 1

Circuit Breaker Accessories 1 PH BUSBAR 18sqmm 57 LUGS

1P18U1/57
Altech
1: £41.10
1In 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

1In Stock

£41.10

£32.26

£28.08

£27.12

View

Min.: 1
Mult.: 1

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

1P18U1/8
Altech
1: £8.11
2In Stock

Mfr. Part No.
1P18U1/8

Mouser Part No
845-1P18U1/8

Altech

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

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Datasheet

2In Stock

£8.11

£7.63

£7.17

£6.93

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Min.: 1
Mult.: 1

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

1P18U1/9
Altech
1: £8.61
1In Stock

Mfr. Part No.
1P18U1/9

Mouser Part No
845-1P18U19

Altech

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

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Datasheet

1In Stock

£8.61

£8.08

£7.74

£7.42

View

Min.: 1
Mult.: 1

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

2P16UL3/12
Altech
1: £26.29
19In 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

19In Stock

£26.29

£20.41

£20.21

£19.75

View

Min.: 1
Mult.: 1

Restricted Availability

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

2P16UL3/6
Altech
1: £12.06
1In Stock Restricted Availability
32Expected 18/09/2026

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

1In Stock

32Expected 18/09/2026

£12.06

£11.88

£10.79

£10.41

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Min.: 1
Mult.: 1

Restricted Availability

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

2P18U3/4
Altech
1: £15.67
4In 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

4In Stock

£15.67

£14.77

£14.16

£13.71

View

Min.: 1
Mult.: 1

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

2P18U3/8
Altech
1: £23.40
17In 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

17In Stock

£23.40

£22.82

£20.30

£18.19

View

Min.: 1
Mult.: 1

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

2P18U3/10
Altech
1: £29.47
22In 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

22In Stock

£29.47

£24.85

£23.99

£20.14

View

Min.: 1
Mult.: 1

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

2P18U3/16
Altech
1: £25.71
1In 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

1In Stock

£25.71

£24.97

£24.44

£23.41

View

Min.: 1
Mult.: 1

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

3P16UL3/6
Altech
1: £17.37
34In Stock Restricted Availability
39Expected 04/06/2026

Mfr. Part No.
3P16UL3/6

Mouser Part No
845-3P16UL3/6

Altech

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

Learn More

Datasheet

34In Stock

39Expected 04/06/2026

£17.37

£16.95

£13.44

£12.74

Min.: 1
Mult.: 1

Restricted Availability

Busbar Systems

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