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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Types of Industrial Automation

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Part #

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

2P18U3/4
Altech
1: £15.67
3In 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

3In Stock

£15.67

£14.77

£14.16

£13.71

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Min.: 1
Mult.: 1

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

1P18U1/8
Altech
1: £8.11
1In 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

1In Stock

£8.11

£7.63

£7.17

£6.93

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Min.: 1
Mult.: 1

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

3P18U3/57
Altech
1: £105.12
1In Stock

Mfr. Part No.
3P18U3/57

Mouser Part No
845-3P18U3/57

Altech

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

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1In Stock

£105.12

£87.17

£81.22

£66.89

£62.11

Min.: 1
Mult.: 1

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

3P25U3/6
Altech
1: £28.98
21In Stock
18Expected 14/09/2026

Mfr. Part No.
3P25U3/6

Mouser Part No
845-3P25U36

Altech

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

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21In Stock

18Expected 14/09/2026

£28.98

£27.46

£25.90

£25.36

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Min.: 1
Mult.: 1

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

3P16UL3/18
Altech
1: £37.98
135In 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

135In Stock

£37.98

£37.97

£34.54

£33.75

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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
476In Stock Restricted Availability
891Expected 18/08/2026

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

476In Stock

891Expected 18/08/2026

£10.25

£10.16

£10.11

£10.08

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Min.: 1
Mult.: 1

Restricted Availability

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

P50UB
Altech
1: £6.44
206In 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

206In Stock

£6.44

£6.43

£6.41

£6.30

£6.00

Min.: 1
Mult.: 1

Restricted Availability

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

P50UT
Altech
1: £5.77
300In 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

300In Stock

£5.77

£5.76

£5.72

£5.70

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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
84In Stock
200Expected 06/08/2026

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

84In Stock

200Expected 06/08/2026

£0.39

Min.: 1
Mult.: 1

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

1LB83-25A
Altech
1: £76.80
3In Stock

Mfr. Part No.
1LB83-25A

Mouser Part No
845-1LB8325A

Altech

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

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Datasheet

3In Stock

£76.80

£64.24

£60.87

£50.72

£47.33

Min.: 1
Mult.: 1

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

1P16UL3/12
Altech
1: £20.52
16In 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

16In 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 99mm 6Pin, 115A

1P16UL3/6
Altech
1: £9.45
21In Stock Restricted Availability
35Expected 13/08/2026

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

21In Stock

35Expected 13/08/2026

£9.45

£9.31

£9.04

£8.85

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Min.: 1
Mult.: 1

Restricted Availability

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
70In 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

70In Stock

£6.15

£6.01

£5.70

£5.65

Quote

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

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Min.: 1
Mult.: 1

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

2P16UL3/12
Altech
1: £24.49
36In 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

Learn More

Datasheet

36In Stock

£24.49

£20.41

£20.40

£20.25

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Min.: 1
Mult.: 1

Restricted Availability

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

2P18U3/10
Altech
1: £29.47
21In 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

21In Stock

£29.47

£24.85

£23.99

£20.14

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Min.: 1
Mult.: 1

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

3P16UL3/6
Altech
1: £17.02
47In Stock Restricted Availability
84Expected 23/11/2026

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

47In Stock

84Expected 23/11/2026

£17.02

£16.64

£12.82

£12.71

Min.: 1
Mult.: 1

Restricted Availability

Circuit Breaker Accessories 3 Ph Busbar 101.8mm 6Pin, 2x3pole, 80A

3P18U3/6
Altech
1: £21.51
2In Stock

Mfr. Part No.
3P18U3/6

Mouser Part No
845-3P18U3/6

Altech

Circuit Breaker Accessories 3 Ph Busbar 101.8mm 6Pin, 2x3pole, 80A

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2In Stock

£21.51

£21.08

£20.81

£20.24

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Min.: 1
Mult.: 1

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

3P25U3/57
Altech
1: £119.94
9In 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

9In Stock

£119.94

£102.57

£85.75

£83.24

View

Min.: 1
Mult.: 1

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

3P25U3/12
Altech
1: £34.46
5In 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

5In Stock

£34.46

£33.32

£32.58

£31.87

Quote

Min.: 1
Mult.: 1

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

3P25U3/15
Altech
1: £37.20
6In Stock

Mfr. Part No.
3P25U3/15

Mouser Part No
845-3P25U315

Altech

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

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6In Stock

£37.20

£36.25

£35.60

£34.89

Quote

Min.: 1
Mult.: 1

Busbar Systems

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