Teknomega PTB3223 single-pole 4-way power terminal block for copper and aluminium conductors up to 50 mm², suitable for industrial power distribution and protective earth applications.
£7.01
The Teknomega PTB3223 is a compact and robust single-pole power terminal block designed for safe, efficient power distribution within industrial switchboards, electrical cabinets and control panels. Featuring a distinctive yellow/green insulating body for protective earth identification, it accepts both aluminium and copper conductors, making it an ideal solution for modern industrial electrical installations.
Manufactured using a self-extinguishing PA66 UL94-V0 insulating body with a tinned aluminium conductor and galvanised steel screws, the PTB3223 provides excellent electrical conductivity, corrosion resistance and long-term reliability. Its DIN rail mounting design enables quick installation while maintaining a compact footprint within electrical enclosures.
Supporting conductor sizes up to 50 mm², with a current rating of up to 160 A for copper conductors and 145 A for aluminium conductors, the PTB3223 delivers dependable high-current distribution for demanding industrial applications.
The Teknomega PTB3223 provides a secure connection point for high-current electrical conductors, helping simplify panel wiring while ensuring safe and reliable power distribution. Its ability to accept both copper and aluminium conductors makes it suitable for a wide variety of industrial electrical installations.
Designed to comply with recognised international standards, the PTB3223 combines compact dimensions, robust construction and excellent electrical performance, making it a trusted choice for panel builders, OEM manufacturers and electrical contractors.
| Current | 160 A |
|---|---|
| Phase | Single Phase |
| IP Rating | IP20 |
| Manufacturer | Teknomega |
| Model | PTB3223 |
| Reference | PTB-2-50-Y |
| Product type | Power terminal block |
| Number of poles | 1 |
| Connections | 4 way |
| Copper conductor size | 2.5 to 50 mm² |
| Aluminium conductor size | 6 to 50 mm² |
| Rated current (Cu) | 160 A |
| Rated current (Al) | 145 A |
| Short-time withstand current (Icw) | 6 kA (1 s) |
| Peak short-circuit current (Ipk) | 9.2 kA |
| Rated insulation voltage (Ui) | 1000 V AC / 1500 V DC |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Protection rating | IP20 |
| Mounting type | 35 mm DIN rail |
| Insulating material | PA66 UL94-V0 |
| Conductor material | Tinned aluminium |
| Dimensions (H × W × D) | approx. 43.7 × 30.1 × 51 mm |
| Weight | approx. 0.06 kg |
| HS Code | 85369095 |
The PTB3223 is used for high-current power and protective earth distribution within industrial electrical panels and switchboards.
It accepts copper conductors from 2.5 to 50 mm² and aluminium conductors from 6 to 50 mm².
The terminal block is rated up to 160 A with copper conductors and 145 A with aluminium conductors.
The terminal block is designed for quick installation onto a standard 35 mm DIN rail.
The PTB3223 complies with EN 60947-7-1 and EN 61238-1-1 for power terminal blocks and conductor connections.
Teknomega power terminal blocks are trusted by electrical engineers, panel builders and OEM manufacturers for reliable power distribution, high-quality construction and dependable long-term performance in industrial electrical installations.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...