132kV High Voltage HV SF6 Live tank circuit breaker (LW36-145)
Basic Info
Model No.: LW36-145
Product Description
Model NO.: LW36-145 Operation: Electric Type Arc-extinguishing Medium: SF6 Structure: ELCB Type: Circuit Breaker Certification: VDE, ISO9001-2000, CE, UL, CB, CCC Specification: IEC HS Code: 85352100 Breaking Capacity: High Voltage Circuit Breakers Speed: Normal Type Circuit Breaker Installation: Fixed Poles Number: 3 Function: Conventional Circuit Breaker Trademark: Tianan Electric Origin: Ningbo, China General
LW36-145/T3150-40 HV AC SF6 circuit breaker is an outdoor product. It is used inelectricity grids with altitudes of no more than 2000m (product designs for 3000m are available), environment temperauteres of no less than -30ºC, local pollution classes of no more than Class iV, and maximum voltage of 145kV to cut off rated currents, fault currents, or switching lines in order to implement control and protection of electricity systems. It can also be used as a connection circuit breaker.
Technical Data
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LW36-145/T3150-40 HV AC SF6 circuit breaker is an outdoor product. It is used inelectricity grids with altitudes of no more than 2000m (product designs for 3000m are available), environment temperauteres of no less than -30ºC, local pollution classes of no more than Class iV, and maximum voltage of 145kV to cut off rated currents, fault currents, or switching lines in order to implement control and protection of electricity systems. It can also be used as a connection circuit breaker.
Technical Data
Serial No. | Name | Unit | Value |
1 | Ambient temperature | ºC | -50ºC-40ºC |
2 | Rated voltage | | 145 |
3 | Rated power frequency withstand voltage (1min) | | |
3.1 | To earth | kV | 275 |
3.2 | Across open contact | kV | 315 |
4 | Rated lightning impulse withstand voltage | | |
4.1 | To earth | kV | 650 |
4.2 | Across open contact | kV | 750 |
5 | Rated frequency | Hz | 50/60 |
6 | Rated value | A | 3150 |
7 | First pole to clear factor | | 1.5 |
8 | Rated short-circuit breakering current (Isc) | kA | 40 |
9 | Rated short-circuit making current (peak) | kA | 100/104 |
10 | Rated hsort-time withstand current | kA | 40 |
11 | Rated peak withstand current | kA | 100/104 |
12 | Rated duration of short-circuit | s | 4 |
13 | Rated out of phase breaking current | kA | 10 |
14 | Short-line fault breaking current | kA | 90%Isc,75Isc |
15 | Rated line charging breaking current | A | 31.5 |
16 | Rated operating sequence | | o-0.3s-CO-180s-CO |
17 | Resistance of main contact | μΩ | ≤35 |
18 | Rated SF6 gas pressure (20ºC gauge pressure) | Mpa | 0.6 (or SF6+CF4) 50Hz 0.7 60Hz |
19 | Alarm/ minimum functional pressure (20ºC gauge pressure) | Mpa | 0.55/0.50 50Hz 0.65/0.60 60Hz |
20 | Annual leakage of SF6 gas | % | ≤0.5 |
21 | Gas humidity content (L/L) (20ºC at handover) | L/L | ≤150x10-6 |
22 | Mechanical endurance | Times | 10000 |
23 | Radio interference level | mv | ≤500 |
24 | Creepage distance | mm | 4500 |
25 | Weight of SF6 gas filled for each CB | kg | 10 |
26 | Weight of one set of CB | kg | 1700 |
Product Categories : HV-Circuit Breaker
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