- No.6， Xingzhi Rd, Qixia District, Nanjing, Jiangsu Province, 210046, China
- njzfelectric@zftrades.com
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Normal working and installation conditions
Ambient temperature: -25ºC~+40ºC
Altitude: ≤2000
Humidity: Relative humidity on daily average less than 95%, on monthly average less than 90%.
Water vapor pressure on daily average less than 2.2kPa, on monthly average less than 1.8kPa.
No normally violent vibration.
Main technical parameter
| Model | CKJ5-160/1140 | CKJ5-250/1140 | CKJ5-400/1140 | CKJ5-630/1140 | ||
| Main Circuit |
Rated working current (Ie) | 80A, 125A, 160A | 200A, 225A, 250A | 400A | 500A, 630A | |
| Rated working voltage (Ue) | 1140V | |||||
| Rated frequency (fr) | 50/60Hz | |||||
| Rated making capacity (100 times) | 10Ie | |||||
| Rated breaking capacity (25 times) | 8Ie | |||||
| Limit breaking capacity (3 times) | 2000A | 4500A | 4500A | 6000A | ||
| Withstand Voltage (power frequency) | 4200V | |||||
| Control circuit | Rated voltage (Us) | AC. 220/380V, DC. 110/220V, or other Customerized control voltage | ||||
| Withstand Voltage (power frequency) | 2000V | |||||
| Rated power (Ps) electric holding | absorbing | ≤600VA | ||||
| holding | ≤50VA | |||||
| Auxiliary circuit | Form | 2a+1b | 4a+3b | |||
| Withstand Voltage (power frequency) | 2500V | |||||
| Rated value | AC 380V/5A, DC 380V/1A | |||||
| Main Contact Parameter |
fixed – moving contact distance | 1.8±0.2mm | 2.0±0.2mm | |||
| Overtravel | 1.0±0.2mm | |||||
| Final pressure | 30±3N | 78±7.8N | 117.6±11.8N | 196±19.6N | ||
| Rated operating frequency | Long-term (AC-3) | 600 times/h | ||||
| Long-term (AC-4) | 300 times/h | |||||
| Short-term | 3000 times/h | 2000 times/h | ||||
| Mechanical endurance | 3,000,000 times | |||||
| Electrical endurance | AC-3 | 600,000 times | ||||
| AC-4 | 60,000 times | 20,000 times | 5,000 times | |||
| Mechanical characteristics | Closing time | ≤200ms | ||||
| Original opening time | ≤160ms | |||||
| 3-phase synchronism | ≤3ms | |||||
| Closing tripping | ≤10ms | |||||
Overall and installation dimension
FAQ
Q: Are you manufacturer?
A: Yes, we are
Q:if you have any certificate?
A: we have CE, CB.
Q:Do you guarantee safe and secure delivery of products?
A: Yes, we always use high quality export packaging. We also use specialized packing according to demands. Specialist packaging and non-standard packing requirements may incur an additional charge.
Q: How can I place the order?
A: First sign the PI, pay deposit,then we will arrange the production. After finished production need you pay balance. Finally we will ship the Goods.
Q: When can I get the quotation ?
A: We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation. Please call us or tell us in your mail, so that we could regard your inquiry priority.
Q: How can I get a sample to check your quality?
A: After price confirmation, you can require for samples to check our quality. the express freight will be afford by yourself.
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