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Busbars

Altech Busbar Systems UL489 & UL1077/508

Altech’s UL489, UL1077, and UL508 busbar systems are designed to streamline panel building. They jumper up to 57 poles, cut installation time by 30%, save valuable panel space, and minimize maintenance—all while delivering high electrical ratings. UL approved for Altech and most competitor devices, they offer flexible, cuttable configurations without losing certification.

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Save Time, Space and Money with Altech Busbars!

Altech UL489 Busbar System

Altech UL1077/508 Busbar System

Cuttable UL489 Busbar System

Cuttable UL508 / UL1077 Busbar System

The Altech Busbar System is an innovative way to jumper up to 57 poles of Miniature Circuit Breakers (MCB).

The advantages of this busbar system are:

  • 30% Installation time savings
  • Panel space savings
  • Reduced maintenance
  • High electrical ratings
  • Every pin configuration is possible by combination of existing 6, 12 and 18 pin busbars.
  • Power Feeding: Power Feed Lug (115A), Direct Power Feed (115A)
  • UL listed for Altech’s L-Series of Miniature Circuit Breakers
  • UL listed for use with most popular UL489 Miniature Circuit Breakers in the market.

The Altech Busbar System is an innovative way to jumper up to 57 poles of Manual Motor Controllers (MMC) and Supplementary Protectors (SP).

The advantages of this busbar system are:

  • 30% Installation time savings
  • Panel space savings
  • Reduced maintenance
  • High electrical ratings
  • 1-57 different pin configurations
  • 1/2 pole spacing (auxiliary switch) available
  • Power Feeding: Power Feed Lugs (115A), Direct Power Feed (115A), Power Feed Block (200A)
  • UL recognized and listed for Altech’s R-Series, V-EA Series and MA Series of Manual Motor Controllers and Supplementary Protectors
  • UL recognized and listed for use with most popular UL1077 supplementary protectors and UL508 Manual Motor Controllers in the market.
  • Customers can cut the Busbar without losing the UL approval
  • Line/Load reversible

UL489 Busbar Power Feed Devices and Accessories

UL1077/508 Busbar Power Feed Devices and Accessories

Power Feed Lugs

Modular Direct Power Feed

Insulation Caps

Power Feed Lugs

Modular Direct Power Feed

Power Feed Block

End Caps

Insulation Caps

Filters
Part Selection Guide
Busbar Size
18 sqmm(8)
18 sqmm (80A) (1)
25 sqmm(9)
Busbar Approval
UL 489(7)
UL 508 / UL 1077(11)
Busbar Cuttable
No(7)
Yes(11)
Busbar Phases
1 Phase(8)
2 Phases(6)
3 Phase(12)
Busbar No. Pins
4(3)
6(13)
8(7)
9(8)
10(2)
10(1)
12(7)
12(10)
14(3)
15(7)
16(3)
18(17)
20(3)
21(4)
22(3)
24(15)
26(3)
27(4)
28(3)
30(11)
32(3)
33(4)
34(3)
36(14)
38(4)
39(4)
40(3)
42(11)
44(3)
45(4)
46(3)
48(15)
50(3)
51(4)
52(3)
54(9)
56(5)
57(6)
Busbar No. of MMC to Jumper
12x3(4)
17x3(4)
18x2(3)
Busbar Electrical Ratings
18mm2: 80A/480VAC; 25mm2: 100A/480VAC(11)
80A/480V AC(4)
100A/480V AC(3)
Reset Done
Part Selection Guide
Busbar Size
18 sqmm(8)
18 sqmm (80A) (1)
25 sqmm(9)
Busbar Approval
UL 489(7)
UL 508 / UL 1077(11)
Busbar Cuttable
No(7)
Yes(11)
Busbar Phases
1 Phase(8)
2 Phases(6)
3 Phase(12)
Busbar No. Pins
4(3)
6(13)
8(7)
9(8)
10(2)
10(1)
12(7)
12(10)
14(3)
15(7)
16(3)
18(17)
20(3)
21(4)
22(3)
24(15)
26(3)
27(4)
28(3)
30(11)
32(3)
33(4)
34(3)
36(14)
38(4)
39(4)
40(3)
42(11)
44(3)
45(4)
46(3)
48(15)
50(3)
51(4)
52(3)
54(9)
56(5)
57(6)
Busbar No. of MMC to Jumper
12x3(4)
17x3(4)
18x2(3)
Busbar Electrical Ratings
18mm2: 80A/480VAC; 25mm2: 100A/480VAC(11)
80A/480V AC(4)
100A/480V AC(3)
Reset Done
Busbars Busbars 2

    2P25U3/36 - UL 508 & UL 1077 - 2 PHASE BUSBAR - standard spacing

    2P25U3/36
    UL1077/508 Busbar System1-57 different pin configurations 1/2 pole spacing (auxiliary switch) available Power Feeding: Power Feed Lugs (115A), Direct Power Feed (115A), Power Feed Block (200A) UL recognized and listed for Altech’s R-Series, ABL’s UR, V-EA and MA Series of Manual Motor Controllers and Supplementary Protectors UL recognized and...
    View
    Busbars Busbars 2

      2P18U3H/36 - UL 508 & UL 1077 - 2 PHASE BUSBAR - 1/2 pole spacing

      2P18U3H/36
      UL1077/508 Busbar System1-57 different pin configurations 1/2 pole spacing (auxiliary switch) available Power Feeding: Power Feed Lugs (115A), Direct Power Feed (115A), Power Feed Block (200A) UL recognized and listed for Altech’s R-Series, ABL’s UR, V-EA and MA Series of Manual Motor Controllers and Supplementary Protectors UL recognized and...
      View
      Busbars Busbars 2

        2P25U3H/36 - UL 508 & UL 1077 - 2 PHASE BUSBAR - 1/2 pole spacing

        2P25U3H/36
        UL1077/508 Busbar System1-57 different pin configurations 1/2 pole spacing (auxiliary switch) available Power Feeding: Power Feed Lugs (115A), Direct Power Feed (115A), Power Feed Block (200A) UL recognized and listed for Altech’s R-Series, ABL’s UR, V-EA and MA Series of Manual Motor Controllers and Supplementary Protectors UL recognized and...
        View
        Busbars Busbars 2

          3P18U3/36 - UL 508 & UL 1077 - 3 PHASE BUSBAR - standard pole spacing

          3P18U3/36
          UL1077/508 Busbar System1-57 different pin configurations 1/2 pole spacing (auxiliary switch) available Power Feeding: Power Feed Lugs (115A), Direct Power Feed (115A), Power Feed Block (200A) UL recognized and listed for Altech’s R-Series, ABL’s UR, V-EA and MA Series of Manual Motor Controllers and Supplementary Protectors UL recognized and...
          View
          Busbars Busbars 2

            3P18U3/51 - UL 508 & UL 1077 - 3 PHASE BUSBAR - standard pole spacing

            3P18U3/51
            UL1077/508 Busbar System1-57 different pin configurations 1/2 pole spacing (auxiliary switch) available Power Feeding: Power Feed Lugs (115A), Direct Power Feed (115A), Power Feed Block (200A) UL recognized and listed for Altech’s R-Series, ABL’s UR, V-EA and MA Series of Manual Motor Controllers and Supplementary Protectors UL recognized and...
            View
            Busbars Busbars 2

              3P25U3/36 - UL 508 & UL 1077 - 3 PHASE BUSBAR - standard pole spacing

              3P25U3/36
              UL1077/508 Busbar System1-57 different pin configurations 1/2 pole spacing (auxiliary switch) available Power Feeding: Power Feed Lugs (115A), Direct Power Feed (115A), Power Feed Block (200A) UL recognized and listed for Altech’s R-Series, ABL’s UR, V-EA and MA Series of Manual Motor Controllers and Supplementary Protectors UL recognized and...
              View
              Busbars Busbars 2

                3P25U3/51 - UL 508 & UL 1077 - 3 PHASE BUSBAR - standard pole spacing

                3P25U3/51
                UL1077/508 Busbar System1-57 different pin configurations 1/2 pole spacing (auxiliary switch) available Power Feeding: Power Feed Lugs (115A), Direct Power Feed (115A), Power Feed Block (200A) UL recognized and listed for Altech’s R-Series, ABL’s UR, V-EA and MA Series of Manual Motor Controllers and Supplementary Protectors UL recognized and...
                View
                Busbars Busbars 2

                  3P18U3H/36 - UL 508 & UL 1077 - 3 PHASE BUSBAR - 1/2 pole spacing

                  3P18U3H/36
                  UL1077/508 Busbar System1-57 different pin configurations 1/2 pole spacing (auxiliary switch) available Power Feeding: Power Feed Lugs (115A), Direct Power Feed (115A), Power Feed Block (200A) UL recognized and listed for Altech’s R-Series, ABL’s UR, V-EA and MA Series of Manual Motor Controllers and Supplementary Protectors UL recognized and...
                  View
                  Busbars Busbars 2

                    3P18U3H/51 - UL 508 & UL 1077 - 3 PHASE BUSBAR - 1/2 pole spacing

                    3P18U3H/51
                    UL1077/508 Busbar System1-57 different pin configurations 1/2 pole spacing (auxiliary switch) available Power Feeding: Power Feed Lugs (115A), Direct Power Feed (115A), Power Feed Block (200A) UL recognized and listed for Altech’s R-Series, ABL’s UR, V-EA and MA Series of Manual Motor Controllers and Supplementary Protectors UL recognized and...
                    View
                    Busbars Busbars 2

                      3P25U3H/36 - UL 508 & UL 1077 - 3 PHASE BUSBAR - 1/2 pole spacing

                      3P25U3H/36
                      UL1077/508 Busbar System1-57 different pin configurations 1/2 pole spacing (auxiliary switch) available Power Feeding: Power Feed Lugs (115A), Direct Power Feed (115A), Power Feed Block (200A) UL recognized and listed for Altech’s R-Series, ABL’s UR, V-EA and MA Series of Manual Motor Controllers and Supplementary Protectors UL recognized and...
                      View
                      Busbars Busbars 2

                        3P25U3H/51 - UL 508 & UL 1077 - 3 PHASE BUSBAR - 1/2 pole spacing

                        3P25U3H/51
                        UL1077/508 Busbar System1-57 different pin configurations 1/2 pole spacing (auxiliary switch) available Power Feeding: Power Feed Lugs (115A), Direct Power Feed (115A), Power Feed Block (200A) UL recognized and listed for Altech’s R-Series, ABL’s UR, V-EA and MA Series of Manual Motor Controllers and Supplementary Protectors UL recognized and...
                        View
                        Busbars Busbars 2

                          2P18ULC3/36 - UL 489 - 2 PHASE CUTTABLE BUSBAR - standard spacing

                          2P18ULC3/36
                          UL 489 Cuttable Busbar SystemRatings of up to 115A UL listed for use with most competitor’s UL 489 Miniature Circuit Breakers30% Installation time savings Panel space savings Reduced maintenance High electrical ratingsDATA SHEET VIDEO LINK < Product photo imprint will vary depending on part number selection.
                          View
                          Busbars Busbars 2

                            2P18ULC3H/36 - UL 489 - 2 PHASE CUTTABLE BUSBAR - standard spacing

                            2P18ULC3H/36
                            UL 489 Cuttable Busbar SystemRatings of up to 115A UL listed for use with most competitor’s UL 489 Miniature Circuit Breakers30% Installation time savings Panel space savings Reduced maintenance High electrical ratingsDATA SHEET VIDEO LINK < Product photo imprint will vary depending on part number selection.
                            View
                            Busbars Busbars 2

                              2P25ULC3H/36 - UL 489 - 2 PHASE CUTTABLE BUSBAR - auxiliary spacing

                              2P25ULC3H/36
                              UL 489 Cuttable Busbar SystemRatings of up to 115A UL listed for use with most competitor’s UL 489 Miniature Circuit Breakers30% Installation time savings Panel space savings Reduced maintenance High electrical ratingsDATA SHEET VIDEO LINK < Product photo imprint will vary depending on part number selection.
                              View
                              Busbars Busbars 2

                                3P18ULC3/36 - UL 489 - 3 PHASE CUTTABLE BUSBAR - standard spacing

                                3P18ULC3/36
                                UL 489 Cuttable Busbar SystemRatings of up to 115A UL listed for use with most competitor’s UL 489 Miniature Circuit Breakers30% Installation time savings Panel space savings Reduced maintenance High electrical ratingsDATA SHEET VIDEO LINK < Product photo imprint will vary depending on part number selection.
                                View
                                Busbars Busbars 2

                                  3P25ULC3/36 - UL 489 - 3 PHASE CUTTABLE BUSBAR - standard spacing

                                  3P25ULC3/36
                                  UL 489 Cuttable Busbar SystemRatings of up to 115A UL listed for use with most competitor’s UL 489 Miniature Circuit Breakers30% Installation time savings Panel space savings Reduced maintenance High electrical ratingsDATA SHEET VIDEO LINK < Product photo imprint will vary depending on part number selection.
                                  View
                                  Busbars Busbars 2

                                    3P18ULC3H/36 - UL 489 - 3 PHASE CUTTABLE BUSBAR - auxiliary spacing

                                    3P18ULC3H/36
                                    UL 489 Cuttable Busbar SystemRatings of up to 115A UL listed for use with most competitor’s UL 489 Miniature Circuit Breakers30% Installation time savings Panel space savings Reduced maintenance High electrical ratingsDATA SHEET VIDEO LINK < Product photo imprint will vary depending on part number selection.
                                    View
                                    Busbars Busbars 2

                                      3P25ULC3H/36 - UL 489 - 3 PHASE CUTTABLE BUSBAR - auxiliary spacing

                                      3P25ULC3H/36
                                      UL 489 Cuttable Busbar SystemRatings of up to 115A UL listed for use with most competitor’s UL 489 Miniature Circuit Breakers30% Installation time savings Panel space savings Reduced maintenance High electrical ratingsDATA SHEET VIDEO LINK < Product photo imprint will vary depending on part number selection.
                                      View
                                      Circuit Protection Devices
                                      Part Selection Guide
                                      Busbar Size
                                      18 sqmm(8)
                                      18 sqmm (80A) (1)
                                      25 sqmm(9)
                                      Busbar Approval
                                      UL 489(7)
                                      UL 508 / UL 1077(11)
                                      Busbar Cuttable
                                      No(7)
                                      Yes(11)
                                      Busbar Phases
                                      1 Phase(8)
                                      2 Phases(6)
                                      3 Phase(12)
                                      Busbar No. Pins
                                      4(3)
                                      6(13)
                                      8(7)
                                      9(8)
                                      10(2)
                                      10(1)
                                      12(7)
                                      12(10)
                                      14(3)
                                      15(7)
                                      16(3)
                                      18(17)
                                      20(3)
                                      21(4)
                                      22(3)
                                      24(15)
                                      26(3)
                                      27(4)
                                      28(3)
                                      30(11)
                                      32(3)
                                      33(4)
                                      34(3)
                                      36(14)
                                      38(4)
                                      39(4)
                                      40(3)
                                      42(11)
                                      44(3)
                                      45(4)
                                      46(3)
                                      48(15)
                                      50(3)
                                      51(4)
                                      52(3)
                                      54(9)
                                      56(5)
                                      57(6)
                                      Busbar No. of MMC to Jumper
                                      12x3(4)
                                      17x3(4)
                                      18x2(3)
                                      Busbar Electrical Ratings
                                      18mm2: 80A/480VAC; 25mm2: 100A/480VAC(11)
                                      80A/480V AC(4)
                                      100A/480V AC(3)
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