Noark Ex9M Series, Manual

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Cascade protection
Coordination table for cascade protection (AC220/230/240V)
Curves and Parameters Curves and Parameters
Upstream circuit
breaker
Ex9M1 Ex9M2 Ex9M3 Ex9M4 Ex9M5
Breaking capacity
(kA rms)
S N Q H P S N Q H P S N Q H P S N Q H P S N Q H P
36 50 70 100 150 36 50 70 100 150 36 50 70 100 150 36 50 70 100 150 36 50 70 100 150
Downstream circuit
breaker
Breaking capacity (kA rms)
Ex9BN 25 30 40 60 60 25 30 40 60 60 — — — — — — — — — — — — — — —
Ex9BH 30 40 50 65 65 30 40 50 65 65 — — — — — — — — — — — — — — —
Ex9M1S 50 60 80 100 50 60 80 100 50 60 80 100 50 60 80 100 50 60 80 100
Ex9M1N 70 90 120 70 90 120 70 90 120 70 90 120 70 90 120
Ex9M1Q 90 140 90 140 90 140 90 140 90 140
Ex9M1H 150 150 150 150 150
Ex9M2S 50 60 80 100 50 60 80 100 50 60 80 100 50 60 80 100
Ex9M2N 70 90 120 70 90 120 70 90 120 70 90 120
Ex9M2Q 90 140 90 140 90 140 90 140
Ex9M2H 150 150 150 150
Ex9M3S 50 60 80 100 50 60 80 100 50 60 80 100
Ex9M3N 70 90 120 70 90 120 70 90 120
Ex9M3Q 90 140 90 140 90 140
Ex9M3H 150 150 150
Ex9M4S 50 60 80 100 50 60 80 100
Ex9M4N 70 90 120 70 90 120
Ex9M4Q 90 140 90 140
Ex9M4H 150 150
Ex9M5S 50 60 80 100
Ex9M5N 70 90 120
Ex9M5Q 90 140
Ex9M5H 150
Coordination table for cascade protection (AC380/400/415V)
Upstream
circuit breaker Ex9M1
Ex9M2 Ex9M3 Ex9M4 Ex9M5
Breaking
capacity
(kA rms)
S N Q H P S N Q H P S N Q H P S N Q H P S N Q H P
36 50 70 100 150 36 50 70 100 150 36 50 70 100 150 36 50 70 100 150 36 50 70 100 150
Downstream
circuit breaker
Breaking capacity (kA rms)
Ex9BN 20 25 25 25 25 20 25 25 25 25 — — — — — — — — — — — — — — —
Ex9BH 30 30 30 30 30 30 30 30 30 30 — — — — — — — — — — — — — — —
Ex9M1S 50 50 80 100 50 50 80 100 50 50 80 100 50 50 80 100 50 50 80 100
Ex9M1N 70 90 120 70 90 120 70 90 120 70 90 120 70 90 120
Ex9M1Q 90 140 90 140 90 140 90 140 90 140
Ex9M1H 150 150 150 150 150
Ex9M2S 50 50 80 100 50 50 80 100 50 50 80 100 50 50 80 100
Ex9M2N 70 90 120 70 90 120 70 90 120 70 90 120
Ex9M2Q 90 140 90 140 90 140 90 140
Ex9M2H 150 150 150 150
Ex9M3S 50 50 80 100 50 50 80 100 50 50 80 100
Ex9M3N 70 90 120 70 90 120 70 90 120
Ex9M3Q 90 140 90 140 90 140
Ex9M3H 150 150 150
Ex9M4S 50 50 80 100 50 50 80 100
Ex9M4N 70 90 120 70 90 120
Ex9M4Q 90 140 90 140
Ex9M4H 150 150
Ex9M5S 50 50 80 100
Ex9M5N 70 90 120
Ex9M5Q 90 140
Ex9M5H 150