ZN23-40.5 series handcart type indoor vacuum circuit breaker for the high voltage rated 40.5kv,
three-phase AC 50Hz Indoor high-voltage electrical equipment.
Apply to industrial and mining e r1terp rises ,
substation and transmission and distribution systems for control and protection switching;
ZN23-40.5 Indoor High Voltage Vacuum Circuit Breaker
Summary
ZN23-40.5 series handcart type indoor vacuum circuit breaker for the high voltage rated 40.5kv, three-phase AC 50Hz Indoor high-voltage electrical equipment. Apply to industrial and mining e r1terp rises , 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.
ZN23-40.5 Series meet GB1984-89 Standards .
Model Implication
Specifications
No. | Item | Units | Parameters | |
1 | Rated voltage | kA | 40.5 | |
2 | Thunder impulse withstand voltage(peak value) | kA | 185 | |
3 | lmin industrial freq u en cy withstand voltage | kA | 95 | |
4 | Rated frequency | Hz | 50 | |
5 | Rated current | A | 1250,1600,2000 | |
6 | Rated sho rt-c i rcuit break cu rrent | kA | 25 | 31.5 |
7 | Rated short -circuit withstand cu rrer1t | kA | 25 | 31.5 |
8 | Rated peak value withstand current | kA | 63 | 80 |
9 | Rated sh ort -c i rcuit d u ra tion time | s | 4 | |
10 | Rated short Circuit breaki ng time | ms | 90 | |
11 | Rated sh ort Circu i t closing cu rrent | kA | 63,80 | |
12 | Rated operation order | 0-0.3s-C0-180s-CO | ||
13 | Time of closing brake | ms | 50-85 | |
14 | Time of breaking brake | ms | 40-85 | |
15 | Rated short -circuit current bre ak and close times | Times | 20 | |
16 | Mechanical life-span | Times | 10000 | |
17 | Rated dropoutcu rre ntofcondenserbank | A | 630 | |
18 | Rated power of energy-storage electric machine | W | 275 | |
19 | Rated volt of energy- storage motor | V | AC/DC220,110 | |
20 | Storage time | S | <15 | |
21 | Closing and opening solenoid rated voltage | V | AC/220,110 | |
22 | Overcu rrent tripping device rated current | A | 5 | |
23 | Auxiliary switch rated voltage current | A | 10 |
Overall Dimensions
If you have any enquiry about quotation or cooperation,please free to email us at niki@zhiyue.com or use the following enquiry form,Our sales representative will contact you within 24 hous.thank you for your interest in our products.