Model NO.: CAU4-40
Shape: Gyro Type
Material: Ceramic
Certification: ROHS, ISO9001, CCC
Brand: Chana
Export Market: Global
Trademark: chana
Transport Package: Carton
Specification: 3phase spd 10ka
Origin: Yueqing Zhejiang
HS Code: 853649000
CAU4-40 SPD Surge Protective Divice
1. Application
The type 2 surge protective device are applicable to discharge overvoltage caused by switch-type(8/20µs wave-form) over currents.The thpe 2 arresters must be installed into sub-distribution boards (at condiminium into distribution boards of flats) after main distribution boards containing type 1 arresters.
For proper operation at least 10-15m cable or wire must be placed between type 1abd type 2 arresters.Otherwise a decoupling coil has to be installed between the two devices.
These protectorts are modular types with changeable insert;the auxiliary contact built-in into the housing of the device.
2. Technical Data
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3. Overall and Installation Dimension(mm)
4. Company Profile
Changan Group Co., Ltd, Established in 1987, comprising more than 62 factories with over 2500 employees and the whole corporation occupies 82000m2 ground during past 30years.
We manufacture and export varieties of low voltage electrical appliance including all kinds of Circuit Breaker,
Contactor, Relay, Switch, Solar Inverter etc..
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1. We already get the certificate of ISO9001, CE, SGS.CB for most of our products.
2. We have 30 years of manufacture and 20 years exporting experience.
3. We have completely sales service system, ensure every detail is going smooth.
4. We have new designed products each year by our R&D Department.
5. Perfect testing system ensure each product is qualified.
6. We have a good reputation in Russia, Turkey, Europe, South America, Mid-east and Africa Market.
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1. Application
The type 2 surge protective device are applicable to discharge overvoltage caused by switch-type(8/20µs wave-form) over currents.The thpe 2 arresters must be installed into sub-distribution boards (at condiminium into distribution boards of flats) after main distribution boards containing type 1 arresters.
For proper operation at least 10-15m cable or wire must be placed between type 1abd type 2 arresters.Otherwise a decoupling coil has to be installed between the two devices.
These protectorts are modular types with changeable insert;the auxiliary contact built-in into the housing of the device.
2. Technical Data
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| Model | CAU4-20 | CAU4-40 | CAU4-B+C | ||||
| Type | D | C | B+C | ||||
| Rated Voltage(Un) | 275V | 385V | 275V | 385V | 275V | 385V | |
| Maximum Continuous Operation Voltage(Uc) | 275V | 385V | 275V | 385V | 275V | 385V | |
| Voltage Protection Level(Up) | 1.2KV | 1.5KV | 1.3KV | 1.6KV | 1.5KV | 2.0KV | |
| Nominal Discharge Current In(8/20µs) | 10KA | 10KA | 20KA | 20KA | 30KA | 30KA | |
| Maximum Discharge Current Imax(8/20µs) | 20KA | 20KA | 40KA | 40KA | 50KA | 50KA | |
| Maximum Discharge Current Imax(10/350µs) |  |  | 7KA | 7KA | |||
| Reaction Time | <25ns | <25ns | <25ns | ||||
| Test Level | T2 | T2 | T1+T2 | ||||
| Width/Pole | 18mm | 18mm | 18mm | ||||
| Color Mark |  |  |  | ||||
| Shell Material | PBT | PBT | PBT | ||||
| Ambient Temperature | "-40ºC~80ºC | "-40ºC~80ºC | "-40ºC~80ºC | ||||
| Fuse or Circuit Breaker Matched | 20A | 25A | 32A | ||||
| Terminal Specification | Line | 2.5~35mm2 | 2.5~35mm2 | 2.5~35mm2 | |||
| PE | 4.0~35mm2 | 4.0~35mm2 | 4.0~35mm2 | ||||
| Signal | 1.5mm2 | 1.5mm2 | 1.5mm2 | ||||
| No.of Pole | 1P,2P,3P,4P,1P+N,2P+N,3P+N | ||||||
| Protection Degree | IP20 | ||||||
| Mounting | DIN rail 35mm | ||||||
| Network System | TN,TT,IT | ||||||
| Signal Terminal | Available | ||||||
3. Overall and Installation Dimension(mm)
4. Company Profile
Changan Group Co., Ltd, Established in 1987, comprising more than 62 factories with over 2500 employees and the whole corporation occupies 82000m2 ground during past 30years.
We manufacture and export varieties of low voltage electrical appliance including all kinds of Circuit Breaker,
Contactor, Relay, Switch, Solar Inverter etc..
Â
1. We already get the certificate of ISO9001, CE, SGS.CB for most of our products.
2. We have 30 years of manufacture and 20 years exporting experience.
3. We have completely sales service system, ensure every detail is going smooth.
4. We have new designed products each year by our R&D Department.
5. Perfect testing system ensure each product is qualified.
6. We have a good reputation in Russia, Turkey, Europe, South America, Mid-east and Africa Market.
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