{"id":824,"date":"2021-04-27T06:38:30","date_gmt":"2021-04-27T06:38:30","guid":{"rendered":"https:\/\/www.wolunelectric.com\/?post_type=product&p=824"},"modified":"2021-11-23T15:08:24","modified_gmt":"2021-11-23T07:08:24","slug":"zn23-40-5-indoor-vcb-33kv-40-5kv-vacuum-circuit-breaker","status":"publish","type":"product","link":"https:\/\/www.wolunelectric.com\/vi\/product\/zn23-40-5-indoor-vcb-33kv-40-5kv-vacuum-circuit-breaker\/","title":{"rendered":"ZN23-40.5 Indoor VCB 33kV 40.5kV Vacuum Circuit Breaker"},"content":{"rendered":"

ZN23-40.5 Indoor VCB 33-40.5kV Vacuum Circuit Breaker<\/strong><\/h3>\n

 <\/p>\n

General Introduction<\/strong><\/h4>\n
\n
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ZN23-40.5 series handcart type indoor vacuum circuit breaker for the high life rated 40.5kA, three-phase AC 50Hz indoor high-voltage electrical equipment. Apply to industrial and mining enterprises, substation and transmission and distribution systems for control and protection switching; particularly suitable for metallurgy, electric arc steel-making industries, etc. frequent operation required, as a control and protection equipment.\u00a0This product meets the GB 1984-89 \u201cAC High Voltage Circuit Breaker\u201d standard. Circuit breaker directly into the GBC-35, JYN1-35 cabinet, remove the plug can be installed separately<\/p>\n

 <\/p>\n<\/div>\n<\/div>\n

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Working Conditions<\/strong><\/h4>\n
\n

1. Altitude: \u22641000m;<\/p>\n

2. Air temperature: -15\u00b0C ~\u00a0+40\u00b0C;<\/p>\n

3. Relative humidity: daily average is not more than 95%, saturated vapor pressure daily average is not more than 1.8kPa.<\/p>\n

4. Earthquake intensity: not more than 8.<\/p>\n

5. Installation places: No fire, explosion hazard, serious filthy places.<\/p>\n

6. In the second system, the amplitude of induced electromagnetic interference does not exceed 1.6kv<\/p>\n

7. Power condition: DC 110V, 220V; AC 110V, 220V<\/p>\n

\n<\/div>\n<\/div>\n

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Technical Specification<\/strong><\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
No<\/td>\nItem<\/td>\nUnits<\/td>\nTechnical parameters<\/td>\n<\/tr>\n
1<\/td>\nRated voltage<\/td>\nkV<\/td>\n40.5<\/td>\n<\/tr>\n
2<\/td>\nThunder impulse withstand voltage(peak value)<\/td>\nkV<\/td>\n185<\/td>\n<\/tr>\n
3<\/td>\nlmin industrial frequency withstand voltage<\/td>\nkV<\/td>\n95<\/td>\n<\/tr>\n
4<\/td>\nRated frequency<\/td>\nHz<\/td>\n50<\/td>\n<\/tr>\n
5<\/td>\nRated current<\/td>\nA<\/td>\n1250,1600,2000<\/td>\n<\/tr>\n
6<\/td>\nRated short-circuit break current<\/td>\nkA<\/td>\n25<\/td>\n31.5<\/td>\n<\/tr>\n
7<\/td>\nRated peak value withstand current<\/td>\nkA<\/td>\n25<\/td>\n31.5<\/td>\n<\/tr>\n
8<\/td>\nRated peak value withstand current<\/td>\nKA<\/td>\n63<\/td>\n80<\/td>\n<\/tr>\n
9<\/td>\nRated short-circuit duration time<\/td>\ns<\/td>\n4<\/td>\n<\/tr>\n
10<\/td>\nRated short circuit breaking time<\/td>\nms<\/td>\n<\/td>\n<\/tr>\n
11<\/td>\nRated short circuit closing current<\/td>\nkA<\/td>\n80<\/td>\n<\/tr>\n
12<\/td>\nRated operation order<\/td>\n<\/td>\n0-0.3s-C0-180s-C0<\/td>\n<\/tr>\n
13<\/td>\nTime of closing brake<\/td>\nms<\/td>\n50~85<\/td>\n<\/tr>\n
14<\/td>\nTime of breaking brake<\/td>\nms<\/td>\n40~85<\/td>\n<\/tr>\n
15<\/td>\nRated short-circuit current break and close times<\/td>\nTimes<\/td>\n20<\/td>\n<\/tr>\n
16<\/td>\nMechanical life-span<\/td>\nTimes<\/td>\n10000<\/td>\n<\/tr>\n
17<\/td>\nRated dropout current of condenser bank<\/td>\nA<\/td>\n630<\/td>\n<\/tr>\n
18<\/td>\nRated power of energy-storage electric machine<\/td>\nW<\/td>\n275<\/td>\n<\/tr>\n
19<\/td>\nRated volt of energy-storage motor<\/td>\nV<\/td>\n25 \u00b1 2<\/td>\n<\/tr>\n
20<\/td>\nStorage time<\/td>\nS<\/td>\n\u226415<\/td>\n<\/tr>\n
21<\/td>\nClosing and opening solenoid rated voltage<\/td>\nV<\/td>\n\u2248220,110<\/td>\n<\/tr>\n
22<\/td>\nLoss of pressure tripping device rated voltage<\/td>\nV<\/td>\n\u2248220,110<\/td>\n<\/tr>\n
23<\/td>\nOver current tripping device rated current<\/td>\nA<\/td>\n5<\/td>\n<\/tr>\n
24<\/td>\nAuxiliary switch rated voltage current<\/td>\nA<\/td>\nDC10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n<\/div>\n

\n

\u00a0Outline Drawing\u00a0<\/strong><\/h4>\n

\"ZN23\"ZN23<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

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