TT-STTB-24
-
Surge protection device
2858140
Spring-cage terminal block with suppressor diode as fine surge protection, nominal voltage 24 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 |
| Surge protection fault message | none |
| Wire pairs per module | 1 |
| Nominal voltage UN | 24 V DC |
| Connection method | Spring-cage connection |
| Conductor cross section flexible | 0.5 mm² ... 4 mm² |
| Conductor cross section rigid | 0.5 mm² ... 6 mm² |
| Conductor cross section AWG | 20 ... 10 |
| Dimensional drawing |
|
| Width | 6.2 mm |
| Height | 83.5 mm |
| Depth | 47.5 mm |
| Flammability rating according to UL 94 | V-0 |
| Housing material | PA 6.6 |
| Mechanical data | |
| Open side panel | Yes |
| Direction of action | Line-Line |
| Maximum continuous voltage UC | 40 V DC |
| 28 V AC | |
| Rated current | 32 A (60 °C) |
| Operating effective current IC at UC | ≤ 5 µA |
| Nominal discharge current In (8/20) µs (line-line) | 119 A |
| Total discharge current ITotal (8/20) µs | 119 A |
| Max. discharge current Imax (8/20) µs maximum (line-line) | 119 A |
| Nominal pulse current Ian (10/1000) µs (line-line) | 23 A |
| Output voltage limitation at 1 kV/µs (line-earth) spike | ≤ 60 V |
| Output voltage limitation at 1 kV/µs (line-line) static | ≤ 60 V |
| Residual voltage at In (conductor-conductor) | ≤ 80 V |
| Residual voltage with Ian (10/1000) µs (line-line) | ≤ 65 V |
| Voltage protection level Up (line-line) | 55 V (C3 - 10 A) |
| Response time tA (line-line) | ≤ 1 ns |
| Input attenuation aE, sym. | 0.1 dB (≤ 400 kHz / 150 Ω) |
| Cut-off frequency fg (3 dB), sym. in 150 Ω system | typ. 2 MHz |
| Capacity (Core-Core) | 1.1 nF (with 1 MHz) |
| Surge protection fault message | none |
| Impulse durability (line-line) | C3 - 10 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 |
