Teknomega PTB3212 single-pole 2-way power terminal block for copper and aluminium conductors up to 50 mm², ideal for neutral and industrial power distribution.
£4.05
The Teknomega PTB3212 is a compact and reliable single-pole power terminal block designed for secure high-current connections within industrial switchboards, control panels and electrical distribution systems. Featuring a blue insulating body for neutral conductor identification, it accepts both aluminium and copper conductors up to 50 mm², making it ideal for modern industrial electrical installations.
Manufactured using a durable PA66 UL94-V0 self-extinguishing insulating body, a tinned aluminium conductor block and galvanised steel screws, the PTB3212 delivers excellent electrical conductivity, corrosion resistance and long service life. Its compact DIN rail mounting design allows quick installation while making efficient use of valuable panel space.
Rated at 160 A for copper conductors and 145 A for aluminium conductors, with a 1000 V AC / 1500 V DC insulation rating, the PTB3212 is ideally suited for neutral distribution, industrial machinery, OEM equipment and electrical power distribution applications.
The Teknomega PTB3212 provides a secure high-current termination point for neutral conductors, helping simplify switchboard wiring while ensuring dependable electrical performance. Its compact dimensions maximise available panel space without compromising conductor capacity or safety.
Designed to comply with recognised international standards, the PTB3212 combines durable construction, excellent electrical characteristics and dependable long-term reliability, making it a preferred choice for panel builders, OEM manufacturers and electrical contractors.
| Phase | Single Phase |
|---|---|
| IP Rating | IP20 |
| Manufacturer | Teknomega |
| Model | PTB3212 |
| Reference | PTB-1-50-B |
| Product type | Power terminal block |
| Number of poles | 1 |
| Connections | 2 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 |
| Pollution degree | 3 |
| Protection rating | IP20 |
| Mounting type | 35 mm DIN rail |
| Insulating material | PA66 UL94-V0 |
| Conductor material | Tinned aluminium |
| Maximum operating temperature | +85 °C |
| Dimensions (H × W × D) | 43.7 × 17.9 × 51 mm |
| Weight | Approx. 0.034 kg |
| HS Code | 85369095 |
The PTB3212 is used to provide a secure high-current connection point for neutral or power conductors within industrial electrical switchboards and control panels.
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 installation onto a standard 35 mm DIN rail.
The PTB3212 complies with EN 60947-7-1 and EN 61238-1-1.
Teknomega power terminal blocks are trusted by electrical engineers, panel builders and OEM manufacturers for dependable power distribution, robust construction and reliable long-term performance in demanding 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...