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TT-UK5/ 24DC 2794699 PHOENIX CONTACT Surge protection device
Reference: TT-UK5/ 24DC
Code: 2794699
Manufacturer: PHOENIX CONTACT
Description:
Surge protection device
Terminal block with surge voltage fine protection between clamping connector and DIN rail, nominal voltage: 24 V DC, for mounting on NS 32 or NS 35/7.5, terminal width: 6.2 mm, terminal height: 47 mm
Categories:
- PHOENIX CONTACT > Trabtech (TT)
Brand new product in its original packaging covered by the warranties and certifications provided by PHOENIX CONTACT
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Technical data
Product properties
| Product type | Surge protection for MCR technology |
| IEC test classification | C3 |
| VDE requirement class | C3 |
| Type | Single-level terminal block |
| Number of positions | 1 |
| Surge protection fault message | none |
Electrical properties
| Nominal voltage UN | 24 V DC |
Connection data
| Connection method | Screw connection |
| Screw thread | M3 |
| Tightening torque | 0.8 Nm |
| Conductor cross section flexible | 0.2 mm² ... 4 mm² |
| Conductor cross section rigid | 0.2 mm² ... 4 mm² |
| Conductor cross section AWG | 24 ... 12 |
Dimensions
| Width | 6.2 mm |
| Height | 47 mm |
| Length | 42.5 mm |
Material specifications
| Flammability rating according to UL 94 | V-2 |
| Housing material | PA |
Mechanical properties
| Mechanical data | |
| Open side panel | Yes |
Protective circuit
| Direction of action | Line-Earth Ground |
| Maximum continuous voltage UC | 28 V DC |
| 20 V AC | |
| Rated current | 32 A (50 °C) |
| Residual current IPE | ≤ 5 µA |
| Nominal discharge current In(8/20) µs (line-ground) | 169 A (per path) |
| Total surge current (8/20) µs | 169 A |
| Max. discharge current Imax(8/20) µs maximum (line-earth) | 169 A |
| Nominal pulse current Ian (10/1000) µs (line-earth) | 33 A |
| Output voltage limitation at 1 kV/µs (line-earth) spike | ≤ 40 V |
| Output voltage limitation at 1 kV/µs (line-earth) static | ≤ 40 V |
| Residual voltage at In(conductor-ground) | ≤ 55 V |
| Response time tA(line-earth) | ≤ 1 ns |
| Cut-off frequency fg (3 dB), asym. (PE) in 150 Ω system | typ. 1.2 MHz |
| Capacity (Core-Earth) | ≤ 1.35 nF |
| Surge protection fault message | none |
| Impulse durability (line-earth) | C3 - 25 A |
Environmental and real-life conditions
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -40 °C ... 85 °C |
Standards and regulations
| VDE requirement class | C3 |
| Standards Information technology specification | |
| Standards/regulations | IEC 61643-21 |
| IEC 61643-21 | |
Mounting
| Mounting type | DIN rail: 35 mm |
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