Why Choose the Teknomega PTB3512 Power Terminal Block?
The Teknomega PTB3512 is a heavy-duty 1-pole power terminal block designed for secure termination of large aluminium and copper conductors in industrial switchboards, electrical distribution panels and automation cabinets. As part of the Teknomega PTB power terminal block series, it provides a robust 1 input / 1 output connection for high-current feeder cables and demanding power distribution applications.
This power terminal accepts both copper and aluminium conductors from 35–240 mm² and features a tinned aluminium conductive block with galvanised steel clamping screws. Its self-extinguishing PA66 UL 94-V0 insulating body provides dependable insulation performance, while the blue housing makes the PTB3512 particularly suitable for applications where neutral circuit identification is required.
With a rated insulation voltage of 1000 V AC / 1500 V DC, a rated impulse withstand voltage of 8 kV, and thermal current ratings of 425 A for copper and 380 A for aluminium, the PTB3512 provides dependable performance in high-capacity electrical distribution systems. Its IP20 protection rating and compatibility with 35 mm DIN-rail or panel mounting make it well suited to professional switchboard construction.
Key Advantages
- Heavy-duty 1-pole power terminal block for high-current electrical distribution.
- 1 input / 1 output configuration for secure feeder cable connections.
- Accepts 35–240 mm² copper and aluminium conductors.
- High thermal current capability of 425 A Cu / 380 A Al.
- 1000 V AC / 1500 V DC rated insulation voltage for demanding electrical systems.
- Self-extinguishing PA66 UL 94-V0 insulating body.
- IP20 protection rating for installation within electrical enclosures.
- Blue housing provides convenient identification for neutral circuit applications.
Key Features
- Teknomega PTB power terminal block series.
- 1 pole with 2 conductor connection points.
- 35–240 mm² conductor range for copper and aluminium cables.
- 425 A thermal current rating with copper conductors.
- 380 A thermal current rating with aluminium conductors.
- 1000 V AC / 1500 V DC rated insulation voltage.
- 8 kV rated impulse withstand voltage.
- 28.8 kA short-time withstand current at 1 s.
- Tinned aluminium conductive block for dependable electrical contact.
- Galvanised steel clamping screws for secure conductor retention.
- Blue self-extinguishing insulating housing.
- Suitable for 35 mm DIN-rail and panel mounting.
Reliable High-Current Power Connections
Power terminal blocks such as the Teknomega PTB3512 provide a secure interface for terminating large power conductors within industrial electrical distribution equipment. Its 35–240 mm² conductor range and compatibility with both copper and aluminium cables make it particularly suitable for main feeder connections and other high-current circuits where dependable electrical and mechanical performance is essential.
The PTB3512 combines a tinned aluminium conductive block with galvanised steel clamping screws and a flame-retardant insulating housing. Its high insulation voltage, substantial short-circuit withstand capability and blue housing make it a practical solution for neutral connections in switchboards, industrial machinery, automation cabinets and other high-capacity power distribution assemblies.
Typical Applications
- Neutral conductor termination in industrial switchboards.
- Main feeder cable connections.
- High-current electrical distribution panels.
- Industrial machinery and automation cabinets.
- Large copper and aluminium conductor termination.
- Power distribution infrastructure and panel-building applications.
