UD-250A Power Distribution Block – 11 Load Side Number of Connections
- Visual inspection of wire and confirmation of connection
- Halogen-free
- IP 20 finger safe
- 95% fill ratio
- Self extinguishing: UL94 V-0
UD- 250A Single Pole Distribution Block instruction sheet
UD-250 A DISTRIBUTION BLOCKS
FEATURES
- Increase the number of outputs with one input using a jumper wire
- Tinned copper block allows for copper or aluminium conductor connections
- Screw retaining cover is hinged and removable
- Design allows for visual inspection of conductor and confirmation of connection
- Gangable for building multi-pole power blocks
- Easily clips onto DIN rail or mounts to panel with screws
- 95% fill ratio
- Halogen-free
- RoHS compliant
Material: Copper; Thermoplastic
Finish: Tinned
SPECIFICATIONS TABLE
| Part Number | UD-250A |
| Article Number | 569040 |
| Max Current Rating, IEC | 250 A |
| Max Current Rating, UL/CSA | 255 A |
| Short Term Withstand Current (Icw) 1s | 24.5 kA |
| Peak Short Circuit Current (Ipk) | 51 kA |
| Short Circuit Current Rating (SCCR) | 100 kA |
| Max Working Voltage, IEC (Ui) | 1,000 VAC/DC |
| Max Working Voltage, UL (Vin) | 600 V |
| Line Side Number of Connections | 1 |
| Line Side Compact Stranded Wire Size | 35 – 120 mm² |
| Line Side Wire Size | #6 – 250 kcmil |
| Load Side Number of Connections | 11 |
| Load Side Compact Stranded Wire Size | (2) 6 – 35 mm² |
| (4) 2,5 – 10 mm² | |
| (5) 2,5 – 16 mm² | |
| Load Side Stranded Wire Size – Ferrule | (2) 6 – 25 mm² |
| (4) 2,5 – 10 mm² | |
| (5) 2,5 – 16 mm² | |
| Load Side Wire Size | (2) #10 – #1 |
| (4) #14 – #6 | |
| (5) #14 – #4 | |
| Enclosure Rating | IP 20 |
| Depth (D) | 50 mm |
| Height (H) | 96 mm |
| Width (W) | 49 mm |
| Unit Weight | 0.42 kg |
| Certification Details | UL® 1059 |
| Flammability Rating | UL® 94V-0 |
| Complies With | IEC® 60947-7-1 |
DESIGN GUIDELINE
| Design Guideline for Distribution Blocks, Power Blocks and Power Terminals | ||||||||||
| Derating according to Ambient* Temperature (°C) to maintain working temperature of 85°C | ||||||||||
| Ambient Temperature (°C) | 30° | 35° | 40° | 45° | 50° | 55° | 60° | 65° | 70° | 75° |
| Derating Coefficient (d) | 1 | 1 | 1 | 0.94 | 0.88 | 0.82 | 0.75 | 0.67 | 0.58 | 0.47 |
| *environment around the terminal blocks inside the enclosure | ||||||||||
APPLICATIONS
Video
