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Mã hàng: 3RA2816-0EW20
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Với vật tư MRO, chọn đúng mã quan trọng hơn chọn theo ảnh. TESFA sẽ đối chiếu các điểm kỹ thuật chính trước khi xác nhận báo giá.
Cầu dao cách ly SIEMENS 3KF4340-0MF11. Model / product brand name: SENTRON; Model / product designation: 3KF switch disconnector with fuses; Model / design of the product: 3KF switch disconnector with fuses.
Mã hàng
3KF4340-0MF11
Đơn vị tính
Chưa cập nhật
Tình trạng cung ứng
Liên hệ báo giá
Số lượng cần mua (Chưa cập nhật)
Không cần thanh toán online. TESFA sẽ kiểm tra mã hàng, số lượng, điều kiện cung cấp và phản hồi báo giá theo thông tin liên hệ của bạn.
Với vật tư MRO, chọn đúng mã quan trọng hơn chọn theo ảnh. TESFA sẽ đối chiếu các điểm kỹ thuật chính trước khi xác nhận báo giá.
| Thuộc tính | Thông số sản phẩm |
|---|---|
| Mã sản phẩm | 3KF4340-0MF11 |
| Tên gọi chính hãng | switch disconnector with fuse 400 A, frame size 4, 3-pole for LV HRC fuse size 1 and 2 front operating mechanism centr basic unit without handle flat connector without fuses |
| Model / product brand name | SENTRON |
| Model / product designation | 3KF switch disconnector with fuses |
| Model / design of the product | 3KF switch disconnector with fuses |
| Model / product version | 3KF NH |
| Model / design of the actuating element | without |
| Model / design of handle | Without |
| Model / direction of actuation | from the front |
| Model / type of the driving mechanism motor drive | No |
| Model / number of poles | 3 |
| Model / size of disconnecting link | 2 and 1 |
| Model / size of switch disconnector | 4 |
| Model / size of fuse link | NH1, NH2 |
| Model / mechanical service life (operating cycles) typical | 8 000 |
| Model / electrical endurance (operating cycles) / at AC-23 A at 440 V | 3 000 |
| Model / electrical endurance (operating cycles) / at AC-23 A at 690 V | 2 000 |
| Model / electrical endurance (operating cycles) / at DC-23 A at 440 V | 1 000 |
| Model / I2t value / with closed switch for combination switch + fuse at 500 V maximum | 1 205 000 A²·s |
| Model / I2t value / with closed switch for combination switch + fuse at 400 V maximum | 1 205 000 A²·s |
| Model / I2t value / with closed switch at 690 V for combination switch + gG fuse maximum | 1 300 000 A²·s |
| Model / I2t value / of the fuse at 500 V maximum permissible | 2 150 000 A²·s |
| Model / I2t value / of the gG fuse at 690 V maximum permissible | 2 600 000 A²·s |
| Model / I2t value / of the aM fuse at 690 V maximum permissible | 2 600 000 A²·s |
| Model / position of the switch operating mechanism | center left |
| Model / fuse system | LV HRC fuse |
| Model / overvoltage category | IV |
| Model / operating voltage with current paths in series / with degree of pollution 2 at DC rated value | 440 / 3 |
| Model / operating voltage with current paths in series / with degree of pollution 3 at DC rated value | 440 / 3 |
| Model / surge voltage resistance rated value | 12 kV |
| Supply voltage / operating voltage at AC rated value maximum | 690 V |
| Protection class / protection class IP | IP00 |
| with closed switch with cover or cable lug cover | IP20 |
| on the front | IP00 |
| Dissipation / power loss [W] / with conventional rated thermal current per pole | 26 W |
| Dissipation / power loss [W] / with conventional rated thermal current per device | 78 W |
| Dissipation / power loss [W] / with conventional rated thermal current without fuse per pole | 26 W |
| Dissipation / power loss [W] / with conventional rated thermal current without fuse per device | 78 W |
| Dissipation / power loss [W] / for rated value of the current at AC in hot operating state per pole | 26 W |
| Dissipation / power loss [W] / of the fuse per fuse maximum | 34 W |
| Main circuit / operating power at AC-23 A at 500 V rated value | 280 kW |
| Main circuit / operational current rated value | 400 A |
| Auxiliary circuit / number of connected NC contacts for auxiliary contacts | 0 |
| Auxiliary circuit / number of connected NO contacts for auxiliary contacts | 0 |
| Auxiliary circuit / number of connected CO contacts for auxiliary contacts | 0 |
| Auxiliary circuit / number of CO contacts for auxiliary contacts | 0 |
| Auxiliary circuit / number of NC contacts for auxiliary contacts | 8 |
| Auxiliary circuit / number of NO contacts for auxiliary contacts | 8 |
| Auxiliary circuit / suitability for use main switch | Yes |
| Auxiliary circuit / suitability for use switch disconnector | Yes |
| Auxiliary circuit / suitability for use EMERGENCY OFF switch | Yes |
| Auxiliary circuit / suitability for use maintenance/repair switch | Yes |
| Auxiliary circuit / product feature interlock | No |
| Auxiliary circuit / product function phase failure monitoring | No |
| Auxiliary circuit / product component / voltage trigger | No |
| Auxiliary circuit / product component / undervoltage release | No |
| Auxiliary circuit / product component / undervoltage release with leading contact | No |
| Auxiliary circuit / product feature sealable | Yes |
| Auxiliary circuit / product extension auxiliary switch | Yes |
| Auxiliary circuit / product extension optional locking capability | Yes |
| Auxiliary circuit / product extension optional motor drive | No |
| Auxiliary circuit / product extension optional fuse monitoring | Yes |
| Auxiliary circuit / product function / fuse monitoring | No |
| Auxiliary circuit / product function / overvoltage protection monitoring | No |
| Short circuit / short-circuit current making capacity (Icm) for switch disconnector at 690 V AC/440 V DC without fuse link rated value minimum | 24 kA |
| Short circuit / protection / at 500 V by gG fuse rated value | 100 kA |
| Short circuit / protection / at 690 V by gG fuse rated value | 100 kA |
| Connections / arrangement of electrical connectors for main current circuit | Top and bottom |
| Connections / tightening torque with screw-type terminals / minimum | 30 N·m |
| Connections / tightening torque with screw-type terminals / maximum | 44 N·m |
| Connections / type of connectable conductor cross-sections for aluminum conductor stranded with lug | 1x (6 ... 240 mm²), 2x (6 ... 150 mm²) |
| Connections / type of connectable conductor cross-sections / for copper busbar | 1x (30 x 10 mm²) |
| stranded with lug according to DIN 46234 | 1x (6 ... 240 mm²), 2x (6 ... 150 mm²) |
| stranded with lug according to DIN 46235 | 1x (16 ... 185 mm²), 2x (16 ... 150 mm²) |
| type of electrical connection for main current circuit | flat connector |
| Mechanical Design / height | 215 mm |
| Mechanical Design / width | 288.1 mm |
| Mechanical Design / depth | 206.5 mm |
| Mechanical Design / fastening method | floor mounting |
| Mechanical Design / fastening method / 4-hole front mounting | No |
| Mechanical Design / fastening method / front mounting with central attachment | No |
| Mechanical Design / fastening method / rail mounting | No |
| Mechanical Design / mounting position | any |
| Mechanical Design / Net Weight | 7.622 kg |
| Environmental conditions / ambient temperature during operation / minimum | -25 °C |
| Environmental conditions / ambient temperature during operation / maximum | 70 °C |
| Environmental conditions / ambient temperature during storage / minimum | -50 °C |
| Environmental conditions / ambient temperature during storage / maximum | 80 °C |
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Hướng dẫn đọc mã van điện từ SMC dòng SY3000, SY5000, SY7000 và SY9000 theo catalog hãng, kèm ví dụ SKU thật và checklist tránh đặt nhầm cấu hình.
Theo đường đi của khí nén để hiểu tiền điện đến từ đâu, tính thử chi phí và chuẩn bị checklist kiểm tra rò rỉ trong nhà máy.
Chọn ống khí PU/PA theo kích thước, áp suất tại nhiệt độ dùng, bán kính uốn và môi trường. Có bảng đối chiếu và checklist thay ống MRO.
