LZZBW-24 Current Transformer
Application: for power ,current measurement and relay protection in voltage up to 35kV AC 50/60Hz power system.
Standards: IEC 60044-1
Ratings: 24kV
Features: 1.Reliable operation.
2.Reliable insulation capability.
3.High measurement accuracy.
4.Reliable current-carrying capability.
5.Maintenance-free.
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1.1 Function
protection of circuits against short-circuit currents,protection of circuits against overload currents,switch,isolation.
1.2 Selection
Technical data of the network at the point considered:the earthing systems (TNS, TNC),short-circuit current at the circuit-breaker installation point, which must always be less than the breaking capacity of this device,network normal voltage.
Tripping curves:
B curve (3-5In)
protection for people and big length cables in TN and IT
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C curve (5-10In)
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D curve(10-20In)
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1.3 Approvals and certificates
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NB1-63DC DC Miniature Circuit Breaker
1.1 Certificates: CCC,CE,CB,TUV;
1.2 Standard: IEC/EN 60947-2 ,RoHS;
1.3 Rated voltage up to 1000V, Rated current up to 63A;
1.4 Protection of circuits against overload currents;
1.5 Protection of circuits against short-circuit currents;
1.6 NB1-63 DC circuit-breakers are used incommunication systems and PV DC systems.
NB1-63 Miniature Circuit Breaker
1.1 Function
protection of circuits against short-circuit currents,protection of circuits against overload currents,switch,isolation.
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1.2 Selection
Technical data of the network at the point considered:short-circuit current at the circuit-breaker installation point, which must always be less than the breaking capacity of this device,network normal voltage.
Tripping curves:
B curve (3-5In)
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C curve (5-10In)
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D curve(10-14In)
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DZ158LE Residual Current Operated Circuit Breaker
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Personnel and fire protection
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1.2 Selection
I∆n ≤ 30 mA: additional protection in the case of direct contact.
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1.3 Approvals and certificates
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1.1 Function
protection of circuits against short-circuit currents,protection of circuits against overload currents,switch,isolation.
1.2 Selection
Technical data of the network at the point considered:the earthing systems (TNS, TNC),short-circuit current at the circuit-breaker installation point, which must always be less than the breaking capacity of this device,network normal voltage.
1.3 Approvals and certificates
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NB7 Miniature Circuit Breaker
The NB7 series miniature circuit breaker is applicable to the circuit with an alternating current of 50Hz/60Hz, rated voltage of 240/415V, and rated current up to 63A for overload protection and short circuit protection, and also for not-frequent operational transformation in the circuit under normal condition.
This product can be applied to various places such as industrial, commercial, and tall buildings, and residential houses.
The product meets the standards of IEC60898-1.
NB7 Miniature Circuit Breaker PDF
