Page 74 - SACE Tmax XT - Technical Catalogue

1/70 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS

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Characteristic curves

Limiting curves

415V

XT4 V-X XT5
415V 415V

Ip [kA] Ip [kA]
10 3 10 3

10 2 10 2

250 A

10 10

1 1
1 10 10 2 10 3 1 10 10 2 10 3
x I rms [kA] x I rms [kA]
Note: XT4X starting from In=32A

XT6 XT7 - XT7 M S-H-L
415V 415V

Ip [kA] Ip [kA]
10 3 10 3

10 2 10 2
XT6 800-1000

10 10

1 1
1 10 10 2 10 3 1 10 10 2 10 3
x I rms [kA] x I rms [kA]