Teknomega PTB3111 grey single-pole, two-conductor power terminal block for copper and aluminium cables from 2.5 to 35 mm², suitable for industrial phase and power distribution.
£3.07
The Teknomega PTB3111 is a compact single-pole, two-conductor power terminal block designed for reliable high-current connections in industrial switchboards, control cabinets and electrical distribution panels. Its grey insulating body makes it suitable for phase and general power distribution applications where clear, organised panel wiring is required.
Suitable for both copper and aluminium conductors from 2.5 to 35 mm², the PTB3111 features a tinned aluminium conductive body that enables different conductor materials to be connected without additional interface components. The terminal is pre-greased to improve electrical contact and help protect the connection area against oxidation.
With a continuous current rating of 135 A for copper conductors and 120 A for aluminium conductors, plus a rated insulation voltage of 1000 V AC or 1500 V DC, the Teknomega PTB3111 provides dependable performance for professional panel building, machinery and industrial power distribution installations.
The Teknomega PTB3111 provides a secure connection point for high-current phase and general power conductors within industrial electrical panels. Its compact 16.3 mm width helps conserve DIN rail space while retaining the conductor capacity needed for demanding distribution applications.
The combination of a tinned aluminium conductor and pre-applied conductive grease allows copper and aluminium cables to be connected reliably while helping reduce oxidation at the contact point. This makes the PTB3111 a practical solution for panel builders working across a wide range of industrial and commercial installations.
| Current | 135 A |
|---|---|
| Phase | Single Phase |
| IP Rating | IP20 |
| Manufacturer | Teknomega |
| Series | PTB3 |
| Model | PTB3111 |
| Reference | PTB-1-35-G |
| Product type | Power terminal block |
| Number of poles | 1 |
| Number of conductors | 2 |
| Connection arrangement | 1 input / 1 output |
| Copper conductor size | 2.5 to 35 mm² |
| Aluminium conductor size | 2.5 to 35 mm² |
| Continuous thermal current, copper | 135 A |
| Continuous thermal current, aluminium | 120 A |
| Short-time withstand current (Icw) | 4.2 kA for 1 second |
| Peak withstand current (Ipk) | 6.2 kA |
| Rated insulation voltage (Ui) | 1000 V AC / 1500 V DC |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Pollution degree | 3 |
| Comparative tracking index | 600 V |
| Protection rating | IP20 |
| Mounting type | 35 mm DIN rail |
| Insulating material | PA66 UL94-V0 |
| Conductor material | Tinned aluminium |
| Screw material | Galvanised steel |
| Maximum continuous operating temperature | +85 °C |
| Dimensions (H × W × D) | 47.4 × 16.3 × 40.3 mm |
| Weight | Approximately 0.025 kg |
| Pack quantity | 5 pieces |
| Standards | EN 60947-7-1 and EN 61238-1-1 |
| HS Code | 85369095 |
The PTB3111 is used to connect high-current phase or general power conductors within industrial switchboards, machinery and electrical distribution panels.
It is a single-pole terminal block designed for two conductors, typically arranged as one incoming and one outgoing connection.
The terminal accepts both copper and aluminium conductors from 2.5 to 35 mm².
It is rated at 135 A with copper conductors and 120 A with aluminium conductors.
Yes. Its tinned aluminium conductive body is designed for use with both copper and aluminium cables.
No. The terminal is supplied pre-greased to improve electrical conduction and help protect the connection against oxidation.
The terminal clips onto a standard 35 mm DIN rail for installation inside a suitable electrical enclosure.
Teknomega PTB3 power terminal blocks combine compact dimensions, mixed-conductor compatibility and robust electrical performance, making them a dependable choice for professional switchboard, machinery and power distribution installations.
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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...