RT28 Fuse Disconnector
RT28 Fuse Disconnector
1.Electric ratings: AC380V/500V, up to 125A;
2.Application: for protection of power distribution apparatus against over-load and short circuit;
3.The fusing indication device (code “X”) of the fuse
disconnector is composed of Neon lamp and resistance;
4.Standard: IEC 60269.
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1.1 Function
protection of circuits against short-circuit currentsprotection of circuits against overload currents,switch,isolation,
NB1-63G circuit-breakers are used in domestic installation,as well as in commercial and industry electrical distribution systems.
1.2 Selection
Technical data of the network at the point consideredshort-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 systems.
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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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1.1 Certificates: CCC,CE,CB,TUV;
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1.3 Rated voltage up to 1000V, Rated current up to 63A;
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1.1 Function
protection of circuits against short-circuit currents,protection of circuits against overload currents,switch,isolation.
NB1 circuit-breakers are used in domestic installation, as well as in commercial and industry electrical distribution systems.
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)
protection for people and big length cables in TN and IT systems.
C curve (5-10In)
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D curve(10-14In)
protection for circuits which supply loads with high inrush current at the circuit closing
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1.3 Approvals and certificates
Detailed information, please refer to Certificates Table on the last page.
NBH8 Miniature Circuit Breaker
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),
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Tripping curves:
B curve (3-5In)
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C curve (5-10In)
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1.3 Approvals and certificates
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NB7 Miniature Circuit Breaker
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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;
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