TT-STTB-PE-12
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Surge protection device
2858179
Spring-cage terminal block with PE foot and suppressor diode as fine surge protection, nominal voltage: 12 V DC, for mounting on NS 35/7.5
Product details
| Product type | Surge protection for MCR technology |
| IEC test classification | C3 |
| VDE requirement class | C3 |
| Type | Double-level terminal block with PE foot |
| Surge protection fault message | none |
| Nominal voltage UN | 12 V DC |
| Connection method | Spring-cage connection |
| Conductor cross-section flexible min. | 0.5 mm² |
| Conductor cross-section flexible max. | 4 mm² |
| Conductor cross-section, rigid min. | 0.5 mm² |
| Conductor cross-section, rigid max. | 6 mm² |
| Dimensional drawing |
|
| Width | 6.2 mm |
| Height | 83.5 mm |
| Depth | 47.5 mm |
| Flammability rating according to UL 94 | V0 |
| Housing material | PA 6.6 |
| Mechanical data | |
| Open side panel | Yes |
| Direction of action | Line-Earth Ground |
| Maximum continuous operating voltage UC | 18 V DC |
| 13 V AC | |
| Maximum continuous voltage UC (line-earth) | 18 V DC |
| 13 V AC | |
| Operating effective current IC at UC | ≤ 5 µA |
| Protective conductor current IPE | ≤ 5 µA |
| Nominal discharge current In (8/20) µs (line-ground) | 245 A |
| Total surge current (8/20) µs | 245 A |
| Max. discharge current Imax (8/20) µs maximum (line-line) | 245 A |
| Max. discharge current Imax (8/20) µs maximum (line-earth) | 245 A |
| Nominal pulse current Ian (10/1000) µs (line-line) | 49 A |
| Nominal pulse current Ian (10/1000) µs (line-earth) | 49 A |
| Output voltage limitation at 1 kV/µs (line-earth) static | ≤ 30 V |
| Residual voltage at In (conductor-conductor) | ≤ 40 V |
| Residual voltage at In (conductor-ground) | ≤ 40 V |
| Residual voltage with Ian (10/1000) µs (line-line) | ≤ 30 V |
| Residual voltage with Ian (10/1000) µs (line-earth) | ≤ 30 V |
| Voltage protection level Up (line-line) | 28 V (C3 - 25 A) |
| C3 - 25 A | |
| Response time tA (line-earth) | ≤ 1 ns |
| Input attenuation aE, asym. | typ. 0.1 dB (≤ 200 kHz / 150 Ω) |
| Cut-off frequency fg (3 dB), asym. (PE) in 150 Ω system | typ. 1.5 MHz |
| Capacity (Core-Earth) | 2.5 nF (with 1 MHz) |
| Surge protection fault message | none |
| Impulse durability (line-line) | C3 - 25 A |
| Impulse durability (line-earth) | C3 - 25 A |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -40 °C ... 85 °C |
| VDE requirement class | C3 |
| Air clearances and creepage distances | |
| Standards/regulations | IEC 60664-1 / VDE 0110-1 |
| Standards Information technology specification | |
| Standards/regulations | IEC 61643-21 |
| IEC 61643-21 | |
| Standards/specifications | IEC 61643-21 |
| Note | 2000 |
| Mounting type | DIN rail: 35 mm |
