Official DistributorSKU
MPN
TT-UKK5-D/ 24DC
Weight
0.025 kg
Series TT-UKK5
TT-UKK5-D/ 24DC - Surge protection device
Double-level modular terminal block with suppressor diode as surge protection between both levels, nominal voltage: 24 V DC, for mounting on NS 32 or NS 35/7.5, closed housing, terminal width: 6.2 mm, terminal height: 68 mm
Technical Specifications
Product properties
| IEC test classification | C3 |
| VDE requirement class | C3 |
| Type | Double-level terminal block |
| Surge protection fault message | none |
| Wire pairs per module | 1 |
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 | 68 mm |
| Length | 80 mm |
Material specifications
| Flammability rating according to UL 94 | V-2 |
| Housing Material | PA |
Mechanical data
| Open side panel | No |
Protective circuit
| Direction of action | Line-Line |
| Maximum continuous voltage UC | 28 V DC |
| Maximum continuous voltage UC | 20 V AC |
| Rated current | 16 A |
| Operating effective current IC at UC | ≤ 5 µA |
| Nominal discharge current In (8/20) µs (line-line) | 169 A |
| Total discharge current Itotal (8/20) µs | 169 A |
| Max. discharge current Imax (8/20) µs maximum (line-line) | 169 A |
| Nominal pulse current Ian (10/1000) µs (line-line) | 33 A |
| Output voltage limitation at 1 kV/µs (line-line) static | ≤ 40 V |
| Residual voltage at In (conductor-conductor) | ≤ 55 V |
| Response time tA (line-line) | ≤ 1 ns |
| Cut-off frequency fg (3 dB), sym. in 150 Ω system | typ. 1.2 MHz |
| Capacity (core-core) | ≤ 1.6 nF (typical) |
| Surge protection fault message | none |
| Impulse durability (line-line) | C3 - 25 A |
Ambient conditions
| Degree of Protection | IP20 |
| Ambient Temperature (Operation) | -40 °C ... 85 °C |
Standards and Regulations
| VDE requirement class | C3 |
Air clearances and creepage distances
| Standards/regulations | VDE 0110-1 |
Standards Information technology specification
| Standards/regulations | IEC 61643-21 |
| Standards/regulations | IEC 61643-21 |
Mounting
| Mounting Type | DIN rail: 35 mm |
Why Proax for Phoenix Contact 2788090?
Proax is an authorized distributor of Phoenix Contact 2788090 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
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Additional Information
| Pack Size | 50 |
Recommended
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