BuyLog Flippingbook APR 2026

8-5

LOW VOLTAGE POWER & INSULATED CASE CIRCUIT BREAKERS, BUYLOG SECTION 8

— SACE Emax 3 low voltage power circuit breakers UL 1066

Common data Rated maximum voltage

[V] [V]

635 600

Rated voltage

Test voltage (1min. 50/60 Hz)

[kV] [Hz]

2.2

Frequency

50 - 60

Number of poles

3-4

Version

Fixed (F) - Drawout (W)

SACE Emax 3 UL 1066 Performance levels

E2.3

B-A N-A S-A H-A V-A

Rated uninterrupted current Iu @ 40°C

[A] [A] [A] [A] [A] [A]

1600 1600 800

800

250

2000 1200 1200 400

1600 1600 800 2000 2000 1200

1600 2000

Neutral pole current-carrying capacity for 4-pole CBs Interrupting rating at rated maximum voltage

[%Iu]

100

100

100

100

100 100 100

254 V 508 V 635 V

[kA] [kA] [kA] [kA]

42 42 42 42 40 25

50 50 50 50 40 25

65 65 65 65 40 25

85 85 85 85 40 25

85 85 40 25

Rated short time current (30 cycle/0.5s)

Breaking 1

Breaking time for llcw [ms]

1 Total clearing time is the sum of breaking time and trip time

Dimensions and weight Dimensions

H - Fixed/Drawout D - Fixed/Drawout W - Fixed 3p/4p W - Drawout 3p/4p

[in/mm] [in/mm] [in/mm] [in/mm] [lbs/Kg] [lbs/Kg]

14.61 [in] - 371 [mm]/16.73 [in] - 425 [mm] 10.63 [in] - 270 [mm]/15.47 [in]- 393 [mm] 10.87 [in] -276 [mm]/ 14.41 [in] -366 [mm] 12.48 [in] - 317 [mm]/16.02 [in] -407 [mm]

Weights (CB with trip unit/current sensors/standard accessories)

Fixed 3p/4p

115 [lbs] - 52 [kg]/148 [lbs] - 67 [kg]

Drawout 3p/4p including fixed part

up to 1600A: 128 [lbs] -58 [kg]/150 [lbs] - 68 [Kg] ; 2000A: 135 [lbs] - 61 [kg]/239 [lbs] - 108 [kg]

SACE Emax 3 UL 1066

E2.3

Mechanical life with regular ordinary maintenance prescribed by the manufacturer [Iu]

[A]

<1600

1600

2000

[No. cycles x 1000]

25 60 15 15 30

25 60 12 10 30

25 60 10

Frequency

[Oper./Hour]

Electrical life with regular ordinary maintenance prescribed by the manufacturer

508 V 635 V

[No. cycles x 1000] [No. cycles x 1000]

8

Frequency

[Oper./Hour]

30