SACE Emax 2 UL [EL]

SACE EMAX 2 NEW LOW VOLTAGE POWER C I RCUI T BRE AKERS TO ANS I C37 / UL 1066 / CSA STANDARDS

7/16

— Installation in switchgear

Busbar types The circuit breakers, via the terminals, can be con- nected to the main distribution system by busbars of different types: copper, silver-plated copper and tinned aluminium when the main distribution sys- tem is made of aluminium.

The circuit breakers can be connected directly with copper or aluminium cables in the case of E1.2 cir- cuit breakers, or indirectly by cable-carrying bars in the case of E2.2, E4.2 and E6.2.

Bars recommendation

Vertical

Horizontal

Frame

Qty

Size (in)

Size (mm) 6.35 x 76.2 6.35 x 76.2 6.35 x 76.2 6.35 x 50.8 6.35 x 50.8 6.35 x 50.8

Qty

Size (in)

Size (mm) 6.35 x 50.8 6.35 x 50.8 6.35 x 63.5 6.35 x 50.8 6.35 x 63.5 6.35 x 63.5 6.35 x 101.6

E1.2 E1.2 E2.2 E2.2 E2.2 E4.2 E4.2 E4.2 E4.2 E6.2 E6.2 E6.2

800

1/4 x 3 1/4 x 3 1/4 x 3 1/4 x 2 1/4 x 2 1/4 x 2 1/4 x 4 1/4 x 4 1/4 x 5 1/4 x 5 1/4 x 5 1/4 x 6

2 4 3 4 4 4

1/4 x 2 1/4 x 2

1200 2 1600 2 1600 3 2000 4 2000 4 2500 3 3200 4 3600 4 4000 4 5000 6

1/4 x 2.5

1/4 x 2

1/4 x 2.5 1/4 x 2.5

6.35 x 101.6 4

1/4 x 4

6.35 x 101.6 6.35 x 127 6.35 x 127

- -

1/4 x 4 1/4 x 4

6.35 x 101.6 6.35 x 101.6

6.35 x 127

6000 6 - The tables should be used solely as a general guideline for selecting products. Due to the extensive variety of switchgear construction shapes and conditions that can affect the behavior of the apparatus, the solution used must always be verified. 6.35 x 152.4 - -

Bars connection The Emax 2 terminal design maximizes the thermal performance into the switchgear. Due to the bus- bar friendly, single to multiple stab design, can be easily and smartly: • a wide contact surface between terminals and bars improves the current carrying capacity; • a spacing between stabs and multi bars increase the ventilation efficiency on E2.2, E4.2 and E6.2; • a ¼” spacing eliminates the need to bend bars and allows for an easier connection to the main busbars.

Auxiliary connection The new terminal box uses spring clamp technol- ogy. All cables can be connected to each terminal without tools, providing time saving during the wiring activities.