| Muhimmiya | Wone Store | 
| Model NO. | CV Series 1140V/300A Low-Voltage Vacuum Contactor CV Siri 1140V/300A Low-Voltage Vacuum Contactor | 
| Raitidu kọ̀ọ̀kan | 300A | 
| Rated Frequency | 50/60Hz | 
| Siri | CV | 
Nke aha nwere ihe dị ka mmepe, ma bụrụkwa nke na-enye ike ịkọwara ya maka ọtụtụ ụdị ụdị ebe gbasara onye ọma dị ka roadheaders, shearers, na high-end switchgear. Maka ọ bụla ịmata ụdị chọrọ ụka nke ọma, vacuum contactor 1140V/300A na-ekwu na o mere n'ime ụbọchị ọhụrụ na nwee ọṅụnyere ọma.
Ọmụmaatụ
Compact Design for Space-Constrained Applications: Na-ekwu na ihe dị ka mmepe dị ka ọtụtụ ụdị ebe gbasara onye ọma dị ka roadheaders, shearers, na high-end switchgear, ihe dị ka spatial efficiency bụ otu n'ime ọtụtụ ụzọ.
High Power Handling with 1140V/300A Rating: Na-ekwu na enweghị ike ime ụka 1140V na ụdị ụka 300A, na-enye ọṅụnyere ọma n'ime low-voltage power systems, nke bụrụkwa nke na-enye ike ịkọwara ya maka ọtụtụ ụdị ebe gbasara onye ọma dị ka industrial environments nwere ụdị chọrọ ụka nke ọma.
Extended Service Life and Reliable Performance: Na-ekwu na enweghị ike ime ụka ọma n'ime vacuum arc-extinguishing technology, na-enye ọṅụnyere ọma n'ime ụbọchị ọhụrụ (nke na-enye ike ịkọwara ya maka ụbọchị ọhụrụ ọgbọ ọkachamara 100,000 mechanical cycles). Ụdị ọma na-enye ọṅụnyere ọma n'ime ụbọchị ọhụrụ, ma bụrụkwa nke na-enye ike ịkọwara ya maka ọtụtụ ụdị ebe gbasara onye ọma dị ka dust, vibration, ma ọ bụ temperature fluctuations.
Enhanced Safety Features: Na-ekwu na enweghị ike ime ụka ọma n'ime multiple protection mechanisms, gụnyere overload protection na short-circuit resistance, na-enye ọṅụnyere ọma n'ime electrical hazards. Ụdị vacuum interrupter na-ekwu na enweghị ike ime ụka ọma n'ime arc leakage risks, na-enye ọṅụnyere ọma n'ime operational safety n'ime explosive or flammable environments like coal mines.
Wide Compatibility and Easy Integration: Na-ekwu na enweghị ike ime ụka ọma n'ime various control systems (AC/DC control voltage options available) na enweghị ike ime ụka ọma n'ime existing low-voltage switchgear configurations. Standardized mounting dimensions na-ekwu na enweghị ike ime ụka ọma n'ime installation na replacement processes.
Specifications
| 1.14kV, 300 Amp Data Sheet | ||
| Part number CV 77U033A12 | ||
| IEC 60947-4-1, UL508, CSA22.2 | ||
| Rated parameters | ||
| Rated voltage | 1.14kV | |
| Rated lightning impact voltage | 8kV | |
| Rated current AC1 | AC1 at 40℃ = 330 A | |
| AC1 at 60℃ = 300 A | ||
| Power Rating (Inductive Load) under AC Load P.F. = 0.95 (at 60℃ ) | ||
| 230 V | 73kW | |
| 400 V | 197kW | |
| 500 V | 246kW | |
| 690 V | 340kW | |
| 1000 V | 492kW | |
| AC-3 | ||
| Rated current AC3 1.14kV | 300 A | |
| The rated parameters of the srat cage motor are 50 and 60 hz 1.14kV | 428kW | |
| The capacitive heat load withstands the current for 10 seconds for a short time | 2400 A | |
| Rated frequency | 50 - 60 Hz | |
| Connectivity ability | 3,000A | |
| Ability to divide | 2,400A | |
| Dielectric strength | 6Kv - 1 Min. Interrupter | |
| Breaking current | 3.4kA | |
| Withstand current for a short time | 1 second | 6.0kA | 
| 10 seconds | 2.4kA | |
| Electrical Life (AC3) | 1 million times | |
| Frequency of operation | 600 times / hour (every 6 seconds) | |
| Withstand current | 14KA / 50MSec | |
| Control parameter ratings | ||
| Voltage fluctuations | -30% to +25% - at Range Voltage | |
| Suction voltage | 70% cold 75% hot or smaller | |
| Release voltage | 70% or less | |
| Auxiliary contacts - standard | 2NO & 2NC | |
| Auxiliary Contacts - Optional Code - A22 | 4NO & 4NC | |
| Application conditions | ||
| Installation | All planes (contactors only) | |
| elevation | 2000 meters | |
| environment | Storage temperature | -55℃ ... +80℃ | 
| Operating temperature | *-40℃ ... +60℃ | |
| Note: * means that the whole cabinet can work at -40 degrees because the whole cabinet is equipped with a heater as standard. | ||
