AS/NZS 3000:2018
Table 8.1, Zs tối đa
Maximum earth fault-loop impedance for the total circuit
The test results and test schedule tools read the highest earth fault-loop impedance for the device and its rating. The measured Zs is compared with it.
Đã xác minh: đối chiếu với tiêu chuẩn in, trang 427. Đã kiểm tra 26 Sept 2026.
Đơn vị: Rating A A, Type B Ω, Type C Ω, Type D Ω, Fuse 0.4 s Ω, Fuse 5 s Ω
Đây là các giá trị mà AmpSize mã hóa. Không sao chép nội dung tiêu chuẩn. Hãy đối chiếu với tiêu chuẩn hiện hành.
14 hàng
| Rating A | Type B (Ω) | Type C (Ω) | Type D (Ω) | Fuse 0.4 s (Ω) | Fuse 5 s (Ω) |
|---|---|---|---|---|---|
| 6 | 9.6 | 5.1 | 3.1 | 11.5 | 15.3 |
| 10 | 5.8 | 3.1 | 1.8 | 6.4 | 9.2 |
| 16 | 3.6 | 1.9 | 1.2 | 3.1 | 5 |
| 20 | 2.9 | 1.5 | 0.9 | 2.1 | 3.6 |
| 25 | 2.3 | 1.2 | 0.7 | 1.6 | 2.7 |
| 32 | 1.8 | 1 | 0.6 | 1.3 | 2.2 |
| 40 | 1.4 | 0.8 | 0.5 | 1 | 1.6 |
| 50 | 1.2 | 0.6 | 0.4 | 0.7 | 1.3 |
| 63 | 0.9 | 0.5 | 0.3 | 0.6 | 0.9 |
| 80 | 0.7 | 0.4 | 0.2 | 0.4 | 0.7 |
| 100 | 0.6 | 0.3 | 0.2 | 0.3 | 0.5 |
| 125 | 0.5 | 0.2 | 0.1 | 0.2 | 0.4 |
| 160 | 0.4 | 0.2 | 0.1 | 0.2 | 0.3 |
| 200 | 0.3 | 0.2 | 0.1 | 0.1 | 0.2 |
Các công cụ đọc nó (2)
Hướng dẫn và trang học tập trích dẫn nó (18)
- Lighting circuit loop impedance, B curve 10 A
- A test sheet for a house board
- How many amps can 1.5 mm² cable carry?
- How many amps can 10 mm² cable carry?
- How many amps can 16 mm² cable carry?
- How many amps can 2.5 mm² cable carry?
- How many amps can 2.5 mm² carry in Australia?
- How many amps can 6 mm² cable carry?
- Maximum Zs for a 16 A curve C breaker
- Max cable length for a 20 A C curve subcircuit
- What size breaker for 4 mm² cable
- AmpSize vs jCalc vs free cable sizing tools
- AS/NZS 3000 Table 8.1: max Zs by curve and rating
- Earth fault loop impedance and maximum Zs
- Checking an existing circuit
- IEC 60364 and the Wiring Rules
- Loop impedance and disconnection time
- Testing to Section 8: what each test proves