JLSZV77-10 Combined Transformer
Application: for active/reactive power measurement in voltage upto 35kV 50Hz AC power system.
Standards: IEC 60044-3
Ratings: 10kV, 35kV
Features: 1.Reliable operation and high measurement accuracy.
SKU: JLS53376 Categories: CT & PT, CT&VT Metering Unit, Electrical Products, Power T&D Tags: CT&PT, CT&VT Metering Unit, JLSZV77-10 Combined Transformer, Power T&D
The NB2LE residual current operated circuit breakers are suitable for lines with AC 50/60Hz, rated voltage 240V, rated current up to 25A and for purposes of residual current protection, overload and short circuit protection. When any personal electric shock occurs or the circuit leakage current exceeds the predetermined value, the residual current operated circuit breaker can automatically cut off the power supply in a very short period of time, so that the safety of persons and electrical equipment can be protected. The residual current operated circuit breaker can be used for infrequent conversion of lines under normal conditions, and applied under occasions such as industrial, and commercial, high-rise buildings and residential houses. CATALOG NB2LE Residual Current Operated Circuit Breaker PDF
Overload protection, short circuit protection and isolation. It is widely used in building power distribution, industrial power distribution, as well as control and protection for a variety of equipment with operating current not exceeding 125A. CATALOGUE: NXB-63 Miniature circuit breaker PDF
1.1 Function Personnel and fire protection: Cable and line protection against overload and short-circuits. 1.2 Selection Rated residual operating current I∆n ≤30 mA: additional protection in the case of direct contact. I∆n ≤300 mA: preventative fire protection in the case of ground fault currents. Tripping class AC class Tripping is ensured for sinusoidal,alternating currents, whether they be quickly applied or slowly increase. A class Tripping is ensured for sinusoidal, alternating residual currents as well as for pulsed DC residual currents, whether they be quickly applied or slowly increase. Tripping curve B curve (3-5 In) protection and control of the circuits against overloads and short-circuits; protection for people and big length cables in TN and IT systems. C curve (5-10 In) protection and control of the circuits against overloads and short-circuits; protection for resistive and inductive loads with low inrush current. 1.3 Approvals and certificates Detailed information, please refer to Certificates Table on the last page. CATALOG NB1L Residual Current Operated Circuit Breaker with Over-current Protection PDF
1.1 Function Control electric circuits. Protect people against indirect contacts and additional protection against direct contacts. Protect installations against fire hazard due to insulation faults. Residual current circuit breakers are used in housing, tertiary sector and industry. 1.2 Selection Detectable wave form AC class Tripping is ensured for slowly increasing sinusoidal AC residual currents. A class Tripping is ensured for sinusoidal AC residual currents and for pulsed DC residual currents, whether applied suddenly or increasing slowly. S, G/SI class Tripping is ensured not only for sinusoidal AC residual currents but also for pulsed DC residual currents whether applied suddenly or increasing slowly. S, G/SI type with filters against spurious tripping caused by harmonics and transient surges. With the impact of 8/20us surge 3000A, this high immunity RCCB will still be in stable status. CATALOG NL1 Residual Current Operated Circuit Breaker PDF
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 systems. C curve (5-10In) protection for resistive and inductive loads with low inrush current. 1.3 Approvals and certificates CATALOG NBH8 Miniature Circuit Breaker PDF
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. CATALOG NB1-63DC DC Miniature Circuit Breaker PDF