TT-PI-EX-TB
-
Surge protection device
2858386
Intrinsically safe basic terminal block with isolating plugs, test pick-offs, and surge protection, for mounting on NS 35/7,5
Product details
| Product type | Surge protection for MCR technology |
| IEC test classification | C1 |
| C2 | |
| C3 | |
| D1 | |
| Type | PI basic terminal block |
| Number of positions | 2 |
| Wire pairs per module | 1 |
| Nominal voltage UN | 24 V DC |
| Connection method | Screw connection |
| Conductor cross-section flexible min. | 0.2 mm² |
| Conductor cross-section flexible max. | 2.5 mm² |
| Conductor cross-section, rigid min. | 0.2 mm² |
| Conductor cross-section, rigid max. | 2.5 mm² |
| Maximum inner capacitance Ci | 3 nF |
| Max. internal inductance Li | 1 µH |
| Max. input current Ii | 250 mA |
| Max. input voltage Ui | 30 V |
| Maximum inner time factor (Ri/Li) | 0.1 µs |
| Dimensional drawing |
|
| Width | 12.35 mm |
| Height | 144.7 mm |
| Depth | 84.5 mm |
| Flammability rating according to UL 94 | V2 |
| Housing material | PBT |
| Mechanical data | |
| Open side panel | No |
| Direction of action | Line-Line & Line-Earth Ground |
| Maximum continuous operating voltage UC | 30 V DC |
| 21 V AC | |
| Maximum continuous voltage UC (line-line) | 30 V DC |
| 21 V AC | |
| Operating effective current IC at UC | ≤ 5 µA |
| Protective conductor current IPE | ≤ 4 µA |
| Nominal discharge current In (8/20) µs (line-line) | 5 kA |
| Nominal discharge current In (8/20) µs (line-ground) | 5 kA |
| Total surge current (8/20) µs | 10 kA |
| Max. discharge current Imax (8/20) µs maximum (line-line) | 5 kA |
| Max. discharge current Imax (8/20) µs maximum (line-earth) | 5 kA |
| Nominal pulse current Ian (10/1000) µs (line-line) | 100 A |
| Nominal pulse current Ian (10/1000) µs (line-earth) | 100 A |
| Impulse discharge current (10/350) µs, peak value limp | 1 kA |
| Output voltage limitation at 1 kV/µs (line-earth) spike | 1.85 kV |
| Output voltage limitation at 1 kV/µs (line-line) static | ≤ 45 V |
| Residual voltage at In (conductor-conductor) | ≤ 45 V |
| Residual voltage with Ian (10/1000) µs (line-line) | ≤ 45 V |
| Voltage protection level Up (line-line) | ≤ 90 V (C2 - 10 kV / 5 kA) |
| Voltage protection level Up (line-earth) | ≤ 1.85 kV (C2 - 10 kV / 5 kA) |
| Response time tA (line-line) | ≤ 1 ns |
| Response time tA (line-signal ground) | ≤ 100 ns |
| Input attenuation aE, sym. | 0.8 dB (≤ 1 MHz / 50 Ω) |
| 0.3 dB (≤ 250 kHz / 150 Ω) | |
| Cut-off frequency fg (3 dB), sym. in 50 Ω system | typ. 7 MHz |
| Cut-off frequency fg (3 dB), sym. in 150 Ω system | typ. 2 MHz |
| Resistance per path | 4.7 Ω ±10 % |
| Impulse durability (line-line) | C2 - 10 kV / 5 kA |
| C3 - 100 A | |
| Impulse durability (line-earth) | C2 - 10 kV / 5 kA |
| C3 - 100 A | |
| D1 - 1 kA |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -20 °C ... 60 °C |
| Conformity/Approvals | |
| Conformance | CE-compliant |
| ATEX | II (1) G [Ex ia] IIC |
| II (1) D [Ex iaD] | |
| II 3 G Ex nA II T4 X | |
| Air clearances and creepage distances | |
| Standards/regulations | VDE 0110-1 / IEC 60664-1 |
| Standards Information technology specification | |
| Standards/regulations | IEC 61643-21 |
| EN 50020 | |
| IEC 61643-21 | |
| EN 50020 | |
| Standards/specifications | IEC 61643-21 |
| Note | 2000 |
| Standards/specifications | EN 50020 |
| Note | 1994 |
| Mounting type | DIN rail: 35 mm |
