Altech UL508 Accessories Catalog

L1 L2 L3

L1 L2 L3

80/100A

80/100A

80/100A

80/100A

80/100A

80/100A

80/100A

80/100A

80/100A

Altech Busbar Systems

The Altech Busbar system is an inno vative
way to jumper up to 57 poles of Altech
Miniature Circuit Breakers (MCB)/ Manual
Motor Controllers (MMC), Supplementary
Protectors (SP).

The advantages of this jumper system are:

• UL recognized and listed for Altech’s
R Series, V-EA Series and MA Series
of Miniature Circuit Breakers

• Installation time savings

• Panel space savings

• Less or no maintenance

• High electrical ratings

• Customers can cut the busbar
without losing the UL approval

• UL recognized for use with a few
competitor’s UL1077 supplementary
protectors. Contact Altech for further

information.

Without Busbar

With Busbar

START/ END Feed Method

Rated current per phase

2

18mm

25mm2: 100A 100A 100A

Altech Busbar Systems

: 80A 80A 80A

TTwwo P

L1 L2 L3

o Poo

wer Feed Methods

wer Feed Methods

CENTER/ MIDDLE Feed Method

Rated current per power feed block

2

18mm

25mm2: 200A 200A 200A

: 160A 160A 160A

L1 L2 L3

56

6.8 mm (0.27 in.) 3mm (0.12 in.)

16 mm

(0.63 in.)

11 mm

(0.43 in.)

59mm (2.32 in.)

28.5mm

(1.12in.)

21mm

(0.83in.)

A

A

B

B

43.5mm

(1.71in.)

35.6 mm

(1.40 in.)

35.6 mm
(1.40 in.)

31.6 mm
(1.24 in.)

31.6 mm

(1.24 in.)

DIN Rail Clip

88.5 mm
(3.48 in.)

63mm

(2.48in.)

63 mm

(2.48 in.)

Power Feed Devices

Easy connection of power supply wires to the
busbar/MCB. Power F eed De vices ensures
permanent connection.

Power Feed Lug Power Feed Block

UL508 listed

Type Designation

P50

————

(A) (B) (C) (D)

(A) = Power Feed lug/block
(B) = 50mm
(C) = USA and Canada design basics
(D) = T-Terminal connection

Type/Cat. No. P50UT P95UB
Electrical Ratings 115A/480VAC 200A/480VAC
Terminal Site Acceptability 10-1/0 AWG 1-4/0 AWG
Recommended/Required Torque 5.6Nm (50lb
Material of Lug MS58 Brass MS58 Brass
Insulation Material Zytel FR 72G25-V Plastic Zytel FR 72G25-V Plastic
For use with 18 and 25mm

U T

2

or 95mm2cross-section area

B-Busbar connection

2

1-3 phase Busbar 18 and 25mm23 phase Busbar

E205412

. in.) 19.5Nm (175lb. in.)

UL508 listed
E205412

Altech UL508

Assembly Instructions

P50UT P95UB

The power feed lugs (Cat. # P50UT) fit together with the lugs of
the busbar in the ter minals of the MCB/MA.

Miscellaneous Accessories

Type/Cat. No: 18/25CAP3P BRS5
For use with: 18/25mm

End Caps Insulation Caps

2

2&3 phase Busbar 18/25mm21-3 phase Busbar

Altech UL1077

57