Thiết bị chống sét MTL TP48-I-NDI
Thông số kỹ thuật MTL TP48
Dòng điện lớn nhất: 20kA peak current (8/20µs waveform)
Dòng điện nhỏ nhất: Less than 10µA at max. working voltage
Điện áp làm việc: 35V dc maximum
Băng thông: 1MHz
Resistance: No resistance introduced into loop
Ambient temperature limits:
-40°C to +85°C (-40°F to +185°F) (working)
-40°C to +85°C (-40°F to +185°F) (storage)
Humidity:5% to 95% RH (non-condensing)
Electrical connections: TP48
3 flying leads (line1, line 2 & earth) TP48 3 Wire 4 flying leads (+ve, -ve, signal & earth) TP48 4 Wire 5 flying leads (+ve, -ve, signal +ve, signal -ve, earth) Wire size: 32/0.2 (1.0mm2, 18 AWG) Lead length: 250mm (minimum)
Casing: 316 stainless steel suitable for harsh environments
Threads:
Thiết bị chống sét TP48-3-N & TP48-4-N – 1/2” NPT
Thiết bị chống sét TP48-3-I & TP48-4-1 – 20mm ISO ) (M20 x 1.5) TP48-3-G & TP48-4-G – G 1/2” (BSP
1/2”)
Weight: 175g. (6.2oz.)
| Model | TP48 | |
| Nominal voltage | Un | 35V |
| Rated voltage (MCOV) | Uc | 58V |
| Nominal current | In | n/a |
| Nominal discharge current (8/20ụs) | isn | 3kA |
| Max discharge current (8/20ụs) | Imax | 20kA |
| Lightning impulse current (10/350ps) | Iimp | 2.5kA |
| Residual voltage @ isn | Up | 95V L-G 500V |
| Voltage protection level @ 1kV/ụs | Up | <76V |
| Bandwidth | fG | 1MHz |
| Capacitance | C | 100pF |
| Series resistance | R | n/a |
| Operating temperature range | -40°C to +60°C | |
| Category tested | A2, B2, C1, C2, C3, D1 | |
| Overstressed fault mode in=3kA | 12kA | |
| Impulse durability (8/20ụs) | 10kA | |
| Degree of protection | IP66 | |
| AC durability | 1Arms, 5T | |
| Service conditions | 80kPa – 160kPa 5% – 95% RH |





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