Teknomega PTB3321 heavy-duty single-pole 2 input / 2 output power terminal block for aluminium and copper conductors up to 95 mm², designed for industrial electrical distribution.
£12.03
The Teknomega PTB3321 is a heavy-duty single-pole power terminal block designed for secure high-current conductor connections inside industrial switchboards, electrical distribution panels and automation cabinets. As part of the Teknomega PTB power terminal block range, it provides a compact and reliable solution for distributing large aluminium and copper conductors while maintaining safe, organised panel layouts.
Constructed using a robust PA66 UL94-V0 self-extinguishing insulating body, a tinned aluminium conductor block and galvanised steel clamping screws, the PTB3321 delivers excellent electrical conductivity, corrosion resistance and long-term mechanical reliability. The terminal is supplied pre-greased, improving conductor contact and simplifying installation.
Supporting conductor sizes from 16 to 95 mm², the PTB3321 features a practical 2 input / 2 output configuration, making it ideal for feeder distribution applications. Its grey housing is suitable for phase conductor identification, while the versatile design allows installation on a 35 mm DIN rail or directly onto a mounting panel.
The Teknomega PTB3321 is designed for distributing large conductors safely inside industrial electrical installations. Its dual connection configuration enables efficient feeder distribution while maintaining secure cable termination and reducing installation complexity.
The robust construction, high-quality insulating materials and tinned aluminium conductor block provide dependable long-term electrical performance in demanding industrial environments, making the PTB3321 an ideal solution for OEMs, panel builders and electrical contractors.
| Phase | Single Phase |
|---|---|
| IP Rating | IP20 |
| Manufacturer | Teknomega |
| Series | PTB Power Terminal Blocks |
| Model | PTB3321 |
| Reference | PTB-2-95-G |
| Product type | Power terminal block |
| Number of poles | 1 |
| Connections | 2 input / 2 output |
| Copper conductor range | 16–95 mm² |
| Aluminium conductor range | 16–95 mm² |
| Rated insulation voltage | 1,000 V AC / 1,500 V DC |
| Impulse withstand voltage | 8 kV |
| Protection rating | IP20 |
| Insulating body | PA66 UL94-V0 |
| Conductor material | Tinned aluminium |
| Screw material | Galvanised steel |
| Housing colour | Grey |
| Mounting type | 35 mm DIN rail or panel mounting |
| Maximum operating temperature | +85 °C |
| Dimensions (H × W × D) | approx. 89.1 × 42 × 49.6 mm |
| Weight | approx. 0.164 kg |
| Standards | EN 60947-7-1 and EN 61238-1-1 |
| HS Code | 85369095 |
The PTB3321 is used for connecting and distributing large aluminium and copper conductors inside industrial switchboards and electrical distribution panels.
The terminal accepts aluminium and copper conductors from 16 to 95 mm².
The PTB3321 features a 2 input / 2 output configuration, making it suitable for compact feeder distribution applications.
The terminal can be mounted on a standard 35 mm DIN rail or directly onto a mounting panel.
The PTB3321 complies with EN 60947-7-1 and EN 61238-1-1.
Teknomega PTB power terminal blocks are trusted by panel builders, OEM manufacturers and industrial electricians for dependable high-current conductor termination and reliable electrical power distribution.
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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...