PTB3521 Teknomega 1 Pole 2 Way Connectors Power Terminals

Why Choose the Teknomega PTB3521 Power Terminal Block?

The Teknomega PTB3521 is a heavy-duty single-pole power terminal block designed for high-capacity power distribution inside industrial switchboards, electrical distribution panels and automation cabinets. It features a 2 input / 2 output configuration supporting aluminium or copper conductors up to 240 mm², allowing reliable feeder splitting from a single supply connection.

Manufactured with a robust PA66 UL94-V0 self-extinguishing insulating body and a tinned aluminium conductive block, the PTB3521 ensures strong electrical conductivity while preventing corrosion when connecting copper and aluminium conductors. The terminal block is rated for 1000 V AC / 1500 V DC with an impulse withstand voltage of 8 kV, ensuring dependable performance in demanding industrial electrical installations.

Key Features

• Single-pole power terminal block for industrial electrical distribution.
• 2 input / 2 output configuration for feeder cable branching.
• Supports aluminium or copper conductors up to 240 mm².
• PA66 UL94-V0 insulating body with self-extinguishing properties.
• Tinned aluminium conductor block for reliable electrical conductivity.
• Galvanised steel clamping screws for secure cable retention.
• DIN rail or panel mounting for flexible installation in switchboards.
• IP20 protection rating suitable for installation inside electrical enclosures.
• Grey housing typically used for phase or general power circuits.

Technical Specifications

• Manufacturer: Teknomega
• Model: PTB3521
• Reference: PTB-2-240-G
• Product type: Power terminal block
• Poles: 1
• Connections: 2 input / 2 output
• Maximum conductor size (Cu/Al): up to 240 mm²
• Conductor material: Tinned aluminium
• Insulating body: PA66 UL94-V0
• Rated insulation voltage (Ui): 1000 V AC / 1500 V DC
• Impulse withstand voltage (Uimp): 8 kV
• Maximum operating temperature: +85 °C
• Protection degree: IP20
• Dimensions (A × B × C): approx. 122.5 × 64.8 × 71.4 mm
• Weight: approx. 0.6 kg
• Standards: EN 60947-7-1, EN 61238-1-1

Typical Applications

• Main feeder distribution in industrial switchboards.
• High-current electrical distribution panels.
• Automation cabinets and machine control systems.
• Industrial power distribution infrastructure.
• Large conductor branching and termination points.

Trusted by Panel Builders

Teknomega PTB power terminal blocks are widely used by electrical engineers and panel builders to create safe and organised high-current connections inside industrial switchboards and power distribution systems.