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 NW 800 to 6300 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.
