UBK 2-500
-
Surge protection device
2798530
DIN rail module with coarse surge protection for two signal wires. Self-contacting grounding foot for mounting on NS 32 or NS 35/7.5, housing width: 17.5 mm. Design: 500 V AC
Product details
| IEC test classification | C2 |
| D1 | |
| Type | DIN rail module, one-piece |
| Product type | Surge protection for MCR technology |
| Product family | SURGETRAB |
| Insulation characteristics | |
| Overvoltage category | III |
| Pollution degree | 2 |
| Nominal voltage UN | 500 V AC |
| Connection method | Screw connection |
| Screw thread | M3 |
| Tightening torque | 0.5 Nm ... 0.6 Nm |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section rigid | 0.2 mm² ... 4 mm² |
| Conductor cross section AWG | 24 ... 12 |
| Dimensional drawing |
|
| Width | 17.5 mm |
| Height | 90 mm |
| Depth | 46 mm (incl. DIN rail 7.5 mm) |
| Horizontal pitch | 1 Div. |
| Flammability rating according to UL 94 | V-2 |
| Housing material | PA 6.6 |
| Direction of action | Line-Earth Ground |
| Maximum continuous voltage UC | 500 V AC |
| Rated current | 2 A |
| Operating effective current IC at UC | ≤ 1 µA |
| Residual current IPE | ≤ 1 µA |
| Nominal discharge current In (8/20) µs (line-line) | 10 kA |
| Nominal discharge current In (8/20) µs (line-ground) | 10 kA |
| Pulse discharge current Iimp (10/350) µs | 2.5 kA |
| Output voltage limitation at 1 kV/µs (line-line) static | ≤ 2.5 kV |
| ≤ 2.7 kV (4 kV (1.2/50) µs) | |
| Output voltage limitation at 1 kV/µs (line-earth) static | ≤ 1.5 kV |
| ≤ 1.7 kV (4 kV (1.2/50) µs) | |
| Voltage protection level Up (line-line) | 3.5 kV (C2 - 10 kV / 5 kA) |
| Voltage protection level Up (line-earth) | 2.2 kV (C2 - 10 kV / 5 kA) |
| 2.3 kV (Iimp -2.5 kA) | |
| Response time tA (line-line) | ≤ 100 ns |
| Response time tA (line-earth) | ≤ 100 ns |
| Input attenuation aE, sym. | typ. 0 dB (≤ 30 MHz / 50 Ω) |
| Cut-off frequency fg (3 dB), sym. in 50 Ω system | typ. 60 MHz |
| Capacity (Core-Core) | typ. 7 pF |
| Surge protection fault message | none |
| Max. required back-up fuse | 2 A (gL) |
| Impulse durability (line-line) | C2 - 10 kV / 5 kA |
| Impulse durability (line-earth) | C2 - 10 kV / 5 kA |
| D1 - 2.5 kA | |
| Alternating current carrying capacity (line-line) | 10 A - 1 s |
| Alternating current carrying capacity (line-earth) | 10 A - 1 s |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -40 °C ... 80 °C |
| Ambient temperature (storage/transport) | -40 °C ... 80 °C |
| Altitude | ≤ 2000 mm (amsl) |
| Air clearances and creepage distances | |
| Standards/regulations | IEC 60664-1 |
| Standards/specifications | IEC 61643-21 |
| Note | 2000 + A1:2008 |
| Standards/specifications | EN 61643-21 |
| Note | 2001 + A1:2009 |
| Mounting type | DIN rail: 35 mm |