Teknomega PTB3213 single-pole 2-way power terminal block for copper and aluminium conductors up to 50 mm², ideal for protective earth and industrial power distribution.
£4.05
The Teknomega PTB3213 is a compact and dependable single-pole power terminal block designed for secure high-current connections within industrial switchboards, electrical control panels and power distribution systems. Featuring a yellow/green insulating body for protective earth identification, it provides a safe and reliable connection point for aluminium and copper conductors up to 50 mm².
Manufactured using a durable PA66 UL94-V0 self-extinguishing insulating body, a tinned aluminium conductor block and galvanised steel fixing screws, the PTB3213 delivers excellent electrical conductivity, corrosion resistance and long service life. Its compact footprint and DIN rail mounting make installation quick and efficient within industrial electrical enclosures.
Rated at 160 A for copper conductors and 145 A for aluminium conductors, with a 1000 V AC / 1500 V DC insulation rating, the PTB3213 is an ideal solution for protective earth distribution, industrial machinery and OEM electrical assemblies.
The Teknomega PTB3213 provides a secure termination point for incoming power or protective earth conductors, helping simplify switchboard wiring while maintaining excellent electrical performance. Its compact dimensions allow efficient use of panel space without compromising conductor capacity.
Designed to comply with recognised international standards, the PTB3213 combines robust construction with dependable long-term performance, making it a preferred choice for panel builders, OEM manufacturers and electrical contractors.
| Phase | Single Phase |
|---|---|
| IP Rating | IP20 |
| Manufacturer | Teknomega |
| Model | PTB3213 |
| Reference | PTB-1-50-Y |
| 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 |
| 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 PTB3213 is used to provide a secure high-current connection point for protective earth or power conductors within industrial electrical 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 PTB3213 complies with EN 60947-7-1 and EN 61238-1-1.
Teknomega power terminal blocks are trusted by electrical engineers and panel builders for dependable power distribution, durable construction and reliable long-term performance in demanding industrial 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...