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 Insul Cap 3 pr strip for 1P/2P/3PUL

BRUL
Altech
1: £1.48
120In 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

120In Stock

£1.48

£1.40

£1.35

£1.32

£1.29

Min.: 1
Mult.: 1

Circuit Breaker Accessories BUS BAR SUPPT W/SCRW

NES
Altech
1: £1.46
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

£1.46

£1.42

£1.37

£0.526

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Min.: 1
Mult.: 1

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

P50UB
Altech
1: £6.44
106In 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

106In Stock

£6.44

£6.43

£6.41

£6.30

£6.00

Min.: 1
Mult.: 1

Restricted Availability

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

P50ULB
Altech
1: £10.90
86In Stock Restricted Availability

Mfr. Part No.
P50ULB

Mouser Part No
845-P50ULB

Altech

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

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Datasheet

86In Stock

£10.90

£10.89

£10.33

£10.14

£10.13

Min.: 1
Mult.: 1

Restricted Availability

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

2P16UL3/6
Altech
1: £12.06
171On Order

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

171On Order

£12.06

£12.03

£11.85

£11.43

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Min.: 1
Mult.: 1

Restricted Availability

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

3P16UL3/12
Altech
1: £26.10
130Expected 02/11/2026

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

130Expected 02/11/2026

£26.10

£23.82

£22.86

£22.37

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Min.: 1
Mult.: 1

Restricted Availability

Circuit Breaker Accessories 1 PH BUSBAR 18sqmm 57 LUGS

1P18U1/57
Altech
1: £32.26
6On Order

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

6On Order

£32.26

£31.51

£30.54

£28.63

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Min.: 1
Mult.: 1

Circuit Breaker Accessories 2 Ph Busbar 310.2mm 18Pin, 115A

2P16UL3/18
Altech
1: £30.18
4Expected 24/08/2026

Mfr. Part No.
2P16UL3/18

Mouser Part No
845-2P16UL3/18

Altech

Circuit Breaker Accessories 2 Ph Busbar 310.2mm 18Pin, 115A

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Datasheet

4Expected 24/08/2026

£30.18

£30.17

£29.88

£29.47

Quote

Min.: 1
Mult.: 1

Restricted Availability

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

2P18U3/8
Altech
1: £22.82
42Expected 25/08/2026

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

42Expected 25/08/2026

£22.82

£22.81

£19.96

£17.90

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Endcap for ULC Busbar,

A68
Altech
1: £1.13
20Expected 26/08/2026

Mfr. Part No.
A68

Mouser Part No
845-A68

Altech

Circuit Breaker Accessories Endcap for ULC Busbar,

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20Expected 26/08/2026

£1.13

£1.08

£1.02

£0.978

Min.: 1
Mult.: 1

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

2P18U3/60
Altech
1: £57.18
1Factory Stock Available

Mfr. Part No.
2P18U3/60

Mouser Part No
845-2P18U360

Altech

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

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Datasheet

1Factory Stock Available

More Info Available

£57.18

£55.53

£51.47

£49.98

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Busbar,2 Phase,25sqmm,PIN Type

2P25U3/14
Altech
1: £26.68
2Factory Stock Available

Mfr. Part No.
2P25U3/14

Mouser Part No
845-2P25U314

Altech

Circuit Breaker Accessories Busbar,2 Phase,25sqmm,PIN Type

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Datasheet

2Factory Stock Available

More Info Available

£26.68

£26.10

£24.94

£23.42

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Busbar,2 Phase,25sqmm,PIN Type

2P25U3/30
Altech
1: £42.65
4Factory Stock Available

Mfr. Part No.
2P25U3/30

Mouser Part No
845-2P25U330

Altech

Circuit Breaker Accessories Busbar,2 Phase,25sqmm,PIN Type

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Datasheet

4Factory Stock Available

More Info Available

£42.65

£41.21

£39.20

£36.79

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Min.: 1
Mult.: 1

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

3P18U3/30
Altech
1: £48.23
5Factory Stock Available

Mfr. Part No.
3P18U3/30

Mouser Part No
845-3P18U3/30

Altech

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

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5Factory Stock Available

More Info Available

£48.23

£48.19

£45.06

£44.06

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Min.: 1
Mult.: 1

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

3P18U3/33
Altech
1: £51.62
1Factory Stock Available

Mfr. Part No.
3P18U3/33

Mouser Part No
845-3P18U333

Altech

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

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1Factory Stock Available

More Info Available

£51.62

£50.13

£46.47

£45.13

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Min.: 1
Mult.: 1

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

3P18U3/72
Altech
1: £87.79
4Factory Stock Available

Mfr. Part No.
3P18U3/72

Mouser Part No
845-3P18U372

Altech

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

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4Factory Stock Available

More Info Available

£87.79

£87.73

£82.98

£76.75

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Min.: 1
Mult.: 1

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

3P25U3/69
Altech
1: £108.12
1Factory Stock Available

Mfr. Part No.
3P25U3/69

Mouser Part No
845-3P25U369

Altech

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

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1Factory Stock Available

More Info Available

£108.12

£108.05

£102.19

£94.52

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Min.: 1
Mult.: 1

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

3P25U3H/54
Altech
1: £101.29
12Factory Stock Available

Mfr. Part No.
3P25U3H/54

Mouser Part No
845-3P25U3H54

Altech

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

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Datasheet

12Factory Stock Available

More Info Available

£101.29

£101.22

£95.74

£88.55

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Min.: 1
Mult.: 1

DIN Rail Terminal Blocks Screw Clamp Term for Busbar

CENC35/5S
Altech
1: £6.11
1Factory Stock Available

Mfr. Part No.
CENC35/5S

Mouser Part No
845-CENC355S

Altech

DIN Rail Terminal Blocks Screw Clamp Term for Busbar

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1Factory Stock Available

More Info Available

£6.11

£5.95

£5.74

£5.41

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Endcap for 18/25sqmm Busbar,

18/25CAP1P
Altech
1: £1.56
1,194Factory Stock Available

Mfr. Part No.
18/25CAP1P

Mouser Part No
845-1825CAP1P

Altech

Circuit Breaker Accessories Endcap for 18/25sqmm Busbar,

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1,194Factory Stock Available

More Info Available

£1.56

£1.52

£1.48

£1.24

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Insulation for18/25sqmm Busbar

18/25INS3P
Altech
1: £21.12
41Factory Stock Available

Mfr. Part No.
18/25INS3P

Mouser Part No
845-1825INS3P

Altech

Circuit Breaker Accessories Insulation for18/25sqmm Busbar

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Datasheet

41Factory Stock Available

More Info Available

£21.12

£19.83

£19.14

£18.53

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Insulation for18sqmm Busbar

18INS1P
Altech
1: £10.81
5Factory Stock Available

Mfr. Part No.
18INS1P

Mouser Part No
845-18INS1P

Altech

Circuit Breaker Accessories Insulation for18sqmm Busbar

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5Factory Stock Available

More Info Available

£10.81

£10.14

£9.79

£9.36

£9.31

Min.: 1
Mult.: 1

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

1P18U1/10
Altech
1: £9.10
60Factory 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

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Datasheet

60Factory Stock Available

More Info Available

£9.10

£9.09

£8.76

£8.61

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Min.: 1
Mult.: 1

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

1P18U1/12
Altech
1: £13.80
9Factory Stock Available

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

9Factory Stock Available

More Info Available

£13.80

£12.35

£10.09

£9.50

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Min.: 1
Mult.: 1

Circuit Breaker Accessories 1 Ph Busbar 32.5mm 2Pin 2x1 pole, 80A

1P18U1/2
Altech
1: £5.17
192Factory Stock Available

Mfr. Part No.
1P18U1/2

Mouser Part No
845-1P18U1/2

Altech

Circuit Breaker Accessories 1 Ph Busbar 32.5mm 2Pin 2x1 pole, 80A

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Datasheet

192Factory Stock Available

More Info Available

£5.17

£5.03

£5.01

£4.91

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Min.: 1
Mult.: 1

Busbar Systems

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