Teknomega PTB3021 single-pole grey power terminal block for aluminium and copper conductors from 1.5 to 16 mm² with an 85 A rating for industrial electrical distribution.
£4.45
The Teknomega PTB3021 is a compact and reliable single-pole power terminal block designed for secure power distribution within industrial switchboards, electrical panels and automation cabinets. As part of the Teknomega PTB power terminal block range, it provides dependable conductor termination for both aluminium and copper cables while maintaining a compact footprint inside electrical enclosures.
Manufactured using a robust PA66 UL94-V0 self-extinguishing insulating body with a tinned aluminium conductor, the PTB3021 delivers excellent electrical conductivity and corrosion resistance. The terminal is supplied pre-greased, improving conductor contact and eliminating the need for additional installation grease.
Supporting conductor sizes from 1.5 to 16 mm² with a continuous current rating of 85 A, the PTB3021 is well suited to industrial power distribution, machine building and control panel applications. Its grey housing provides clear identification for phase and general power circuits, while the 35 mm DIN rail mounting design enables fast installation.
The Teknomega PTB3021 provides a safe and organised method of distributing electrical conductors inside switchboards and control panels. Its compact construction helps optimise available panel space while maintaining secure conductor connections and simplifying future maintenance.
Suitable for both aluminium and copper conductors, the PTB3021 reduces the need for multiple terminal types within the same installation. Its tinned aluminium conductor and pre-greased connection points help maintain reliable electrical performance throughout the service life of the installation.
| Current | 85 A |
|---|---|
| Phase | Single Phase |
| IP Rating | IP20 |
| Manufacturer | Teknomega |
| Series | PTB Power Terminal Blocks |
| Model | PTB3021 |
| Reference | PTB-2-16-G |
| Product type | Power terminal block |
| Number of poles | 1 |
| Connections | 4-way |
| Copper conductor range | 1.5–16 mm² |
| Aluminium conductor range | 1.5–16 mm² |
| Rated thermal current | 85 A |
| Short-time withstand current | 1.93 kA for 1 second |
| Peak withstand current | 2.7 kA |
| Rated insulation voltage | 1,000 V AC / 1,500 V DC |
| Impulse withstand voltage | 8 kV |
| Protection rating | IP20 |
| Pollution degree | 3 |
| Comparative tracking index | 600 V |
| Insulating body | PA66 UL94-V0 |
| Conductor material | Tinned aluminium |
| Screw material | Galvanised steel |
| Housing colour | Grey |
| Mounting type | 35 mm DIN rail |
| Cable stripping length | 15 mm |
| Hex key size | 4 mm |
| Maximum operating temperature | +85 °C |
| Dimensions (H × W × D) | approx. 43.5 × 23.7 × 40.3 mm |
| Weight | approx. 0.038 kg |
| Standards | EN 60947-7-1 and EN 61238-1-1 |
| HS Code | 85369095 |
The PTB3021 is used to connect and distribute electrical conductors inside industrial switchboards, control panels and electrical enclosures.
The terminal accepts both aluminium and copper conductors from 1.5 to 16 mm².
The PTB3021 has a continuous thermal current rating of 85 A when correctly installed.
The terminal block clips directly onto a standard 35 mm DIN rail for fast installation inside electrical enclosures.
The grey housing is commonly used for phase or general power conductor identification within electrical installations.
Teknomega power terminal blocks are widely specified by panel builders, OEMs and industrial electricians for reliable conductor distribution, straightforward installation and long-term electrical performance.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...