Page 20 - Sace Emax 2 Catalogue

2/6 SACE EMA X 2 LOW VOLTAGE AIR CIRCUIT-BRE AKERS

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SACE Emax 2/E9 circuit breakers up to 900V

ABB SACE Emax 2/E9 circuit breakers can effectively and simply control all wind
and solar applications - with the highest availability and continuity of service.

The world of renewable energy is evolving rapidly Emax 2/E9 all-in-one is the first smart circuit
causing major changes in electrical power distri- breaker that enables direct communication with
bution trends. This causes an increased focus on: the new energy management cloud-computing
• Power continuity for critical loads and the best platform ABB Ability™ Energy and Asset Manager.
performance, even at high altitudes Smart and plug-and-play architecture makes
• Optimized, fast maintenance Emax 2/E9 all-in-one easy to use.
• Minimized device footprint With the best performance up to 900 V of any
device on the market, Emax 2/E9 is ready to con-
These trends lead to new customer and applica- trol and protect all applications with voltages
tion demands. To meet these demands, ABB has over 690 V.
now unveiled the innovative Emax 2/E9 all-in-one,
the evolution of the Emax 2 into a multifunctional Emax 2/E9 sets a new circuit-breaker benchmark
platform that is able to manage the next genera- for the electrical power distribution systems of
tion of electrical plants such as microgrids. today and tomorrow.

Common data
Rated service voltage Ue [V] 900
Rated insulation voltage Ui [V] 1000
Rated impulse withstand voltage Uimp [kV] 12
Frequency [Hz] 50 - 60
Number of poles 3- 4
Version Fixed - Withdrawable
Suitable for isolation according to IEC 60947-2

SACE Emax 2/E9 E1.2 E2.2 E4.2 E6.2
Performance levels N/E9 S/E9 H/E9 S/E9 H/E9 H/E9 X/E9
Rated uninterrupted current Iu @ 40°C [A] 1250 1250 1250 3200 3200 5000 5000
[A] 2000 2000 4000 4000 6300 6300
[A] 2500 2500
Neutral pole current-carrying capacity for 4-pole CBs [%Iu] 100 100 100 100 100 50-100 50-100
Rated ultimate short-circuit breaking capacity Icu 800V [kA] 35 50 65 65 90 90 100
900V [kA] 50 65 65 75 75 90
Rated service short-circuit breaking capacity Ics [%Icu] 100 100 100 100 100 100 100
Rated short-time withstand current Icw (1s) 800V [kA] 35 50 65 65 75 75 90
(3s) 800V [kA] 30 50 65 65 75* 75 90
(1s) 900V [kA] 50 65 65 75 75 90
(3s) 900V [kA] 50 65 65 75* 75 90
Rated short-circuit making capacity (peak value) Icm 800V [kA] 73.5 105 143 143 200 200 220
900V [kA] 105 143 143 165 165 198
Utilization category (according to IEC 60947-2) B B B B B B B

SACE Emax 2/E9 E1.2** E2.2 E4.2 E6.2
[Iu] <1000 1250 <2000 2000 < 2500 <3200 3200 4000 4000 5000 6300
Mechanical life* [No. cycles x 1000] 20 20 25 25 20 20 20 15 12 12 12
Frequency [Oper./Hour] 60 60 60 60 60 60 60 60 60 60 60
Electrical life 900 V [No. cycles x 1000] 0,5 0,5 2 2 2 1 1 1 1 1 1
Frequency [Oper./Hour] 30 30 30 30 30 10 10 10 10 10 10
*with regular ordinary maintenance prescribed by the manufacturer. ** For E1.2, electrical life is at 800V.