AIR CIRCUIT BREAKER
TECHNICAL SPECIFICATION:
- • Exceeds requirement of IEC 60947- 2 & 3
- • Ics = 100% Icu for all ratings
- • Breaking capacities 42kA - 150kA
- • (Ue) - 690V, (Ui) - 1000V, (Uimp) - 12kV
- • Horizontal / Vertical terminal connection options available
Ratings:
- • Masterpact NT 630 to 1600 A
- • Masterpact NT 630 to 1600 A
- • Circuit breakers type N1, H1, H2, H3, L1.
- • Switch-disconnectors type NA, HA, HF, HH.
- • 3 or 4 poles.
- • Fixed or drawout versions.
- • Option with neutral on the right.
- • Protection derating.
Micrologic control units
- • Ammeter A and Energy E
- • 2.0 basic protection
- • 5.0 selective protection
- • 6.0 selective + earth-fault protection
- • 7.0 (1) selective + earth-leakage protection
- • Power meter P
- • 5.0 selective protection
- • 6.0 selective + earth-fault protection
- • 7.0 selective + earth-leakage protection
- • Harmonic meter H
- • 5.0 selective protection
- • 6.0 selective + earth-fault protection
- • 7.0 selective + earth-leakage protection
- • External sensor for earth-fault protection.
- • Rectangular sensor for earth-leakage protection.
- • Setting options (long-time rating plug):
- • low setting 0.4 to 0.8 x Ir
- • high setting 0.8 to 1 x Ir
- • without long-time protection.
- • External AD power-supply module.
- • Battery module.
- • (1) Only for ammeter A.