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Multi9™ Miniature Circuit Breakers

Multi9 Circuit Breakers Busbar Offer Class 860 / Refer to Catalog LVCATM9OEM_EN

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C60 SP (UL1077) Comb Busbars

The comb busbars are used only for C60 SP circuit breakers UL 1077 supplementary protection in conformity with standards: • UL 1077 / CSA C22.2 No. 235 / IEC 60947-2 / GB 14048-2. They perform distribution and subdistribution of the electric power supply and allow rapid assembly and disassembly of equipment.

IEC

Table 7.41: C60 SP Comb Busbars Connection Accessories

Comb Busbars

Tooth Cover End-Piece

Function

• The comb busbars make it easier to install Schneider Electric circuit breakers UL1077 supplementary protection. • Power supply directly in the cage of the circuit breaker.

• The Tooth Caps are insulated protectors which may be slipped onto the unused teeth of the comb busbar. • They come in strips with 1-pole spacing, but can be snapped apart to be used individually.

Number of poles Voltage rating (Ue) Catalogue numbers

2P

3P

1P

All —

480Y/277 Vac

480Y/277 Vac

480Y/277 Vac

10285

10287

10286

60488

12 (8.5 in./216 mm)

12 (8.5 in./216 mm)

12 (8.5 i./216 mm)

Number of 18 mm modules

— 20

Set of

1

1

1

Technical Specifications Insulation voltage (Ui) Impulse withstand voltage (Uimp) Acceptable current at 40°C (Ie)

690Vac

— — — —

12 kV under 240 V 5 kV under 480Y/277 V or 277 V 63 A with 1 central power supply point

100 A with 2 power supply points

—

Power supply via cable directly in the cage of the device: • cross section max: 3 AWG (25 mm 2 ) • cross section min: 10 AWG (5.27 mm 2 )

7 MINIATURE AND MOLDED CASE

CIRCUIT BREAKERS

7-28

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